Merge 918231a1ad into 9800355131

Styling on coverage reports
New coverage reports
2025-08-05 19:49:17 +00:00 · 2025-03-28 20:34:12 -04:00 · 2025-03-28 02:29:55 +01:00 · 2025-03-28 01:53:19 +01:00 · 2025-03-28 01:52:33 +01:00 · 2025-03-27 21:49:44 +01:00
47 changed files with 13080 additions and 3972 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -0,0 +1,2 @@
+*.luau                 text eol=lf
+*.html           linguist-vendored
--- a/.github/ISSUE_TEMPLATE/BUG-REPORT.md
+++ b/.github/ISSUE_TEMPLATE/BUG-REPORT.md
@ -1,22 +1,25 @@
 ---
 name: Bug report
 about: File a bug report for any behavior that you believe is unintentional or problematic
-title: "[BUG]"
+title: ""
 labels: bug
-assignees: ''
-
+assignees: ""
 ---

 ## Describe the bug
+
 Put a clear and concise description of what the bug is. This should be short and to the point, not to exceed more than a paragraph. Put the details inside your reproduction steps.

 ## Reproduction
+
 Make an easy-to-follow guide on how to reproduce it. Does it happen all the time? Will specific features affect reproduction? All these questions should be answered for a good issue.

 This is a good place to put rbxl files or scripts that help explain your reproduction steps.

 ## Expected Behavior
+
 What you expect to happen

 ## Actual Behavior
+
 What actually happens
--- a/.github/ISSUE_TEMPLATE/DOCUMENTATION.md
+++ b/.github/ISSUE_TEMPLATE/DOCUMENTATION.md
@ -1,14 +1,15 @@
 ---
 name: Documentation
 about: Open an issue to add, change, or otherwise modify any part of the documentation.
-title: "[DOCS]"
+title: ""
 labels: documentation
-assignees: ''
-
+assignees: ""
 ---

 ## Which Sections Does This Issue Cover?
+
 [Put sections (e.g. Query Concepts), page links, etc as necessary]

 ## What Needs To Change?
+
 What specifically needs to change and what suggestions do you have to change it?
--- a/.github/ISSUE_TEMPLATE/FEATURE-REQUEST.md
+++ b/.github/ISSUE_TEMPLATE/FEATURE-REQUEST.md
@ -1,10 +1,9 @@
 ---
 name: Feature Request
 about: File a feature request for something you believe should be added to Jecs
-title: "[FEATURE]"
+title: ""
 labels: enhancement
-assignees: ''
-
+assignees: ""
 ---

 ## Describe your Feature
@ -22,6 +21,7 @@ What other alternative implementations or otherwise relevant information is impo
 ## Considerations

 Some questions that need to be answered include the following:
+
 - Will old code break in response to this feature?
 - What are the performance impacts with this feature (if any)?
 - How is it useful to include?
--- a/.gitignore
+++ b/.gitignore
@ -69,3 +69,5 @@ profile.*
 # Patch files

 *.patch
+
+genhtml.perl
--- a/.stylua.toml
+++ b/.stylua.toml
@ -1,11 +1,9 @@
+syntax = "All"
 column_width = 120
 line_endings = "Unix"
 indent_type = "Tabs"
 indent_width = 4
-quote_style = "ForceDouble"
+quote_style = "AutoPreferDouble"
 call_parentheses = "Always"
+space_after_function_names = "Never"
 collapse_simple_statement = "Never"
-syntax = "Luau"
-
-[sort_requires]
-enabled = true
--- a/assets/.github/ISSUE_TEMPLATE/BUG-REPORT.md
+++ b/assets/.github/ISSUE_TEMPLATE/BUG-REPORT.md
@ -0,0 +1,22 @@
+---
+name: Bug report
+about: File a bug report for any behavior that you believe is unintentional or problematic
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+## Describe the bug
+Put a clear and concise description of what the bug is. This should be short and to the point, not to exceed more than a paragraph. Put the details inside your reproduction steps.
+
+## Reproduction
+Make an easy-to-follow guide on how to reproduce it. Does it happen all the time? Will specific features affect reproduction? All these questions should be answered for a good issue.
+
+This is a good place to put rbxl files or scripts that help explain your reproduction steps.
+
+## Expected Behavior
+What you expect to happen
+
+## Actual Behavior
+What actually happens
--- a/assets/.github/ISSUE_TEMPLATE/DOCUMENTATION.md
+++ b/assets/.github/ISSUE_TEMPLATE/DOCUMENTATION.md
@ -0,0 +1,14 @@
+---
+name: Documentation
+about: Open an issue to add, change, or otherwise modify any part of the documentation.
+title: "[DOCS]"
+labels: documentation
+assignees: ''
+
+---
+
+## Which Sections Does This Issue Cover?
+[Put sections (e.g. Query Concepts), page links, etc as necessary]
+
+## What Needs To Change?
+What specifically needs to change and what suggestions do you have to change it?
--- a/assets/.github/ISSUE_TEMPLATE/FEATURE-REQUEST.md
+++ b/assets/.github/ISSUE_TEMPLATE/FEATURE-REQUEST.md
@ -0,0 +1,27 @@
+---
+name: Feature Request
+about: File a feature request for something you believe should be added to Jecs
+title: "[FEATURE]"
+labels: enhancement
+assignees: ''
+
+---
+
+## Describe your Feature
+
+You should explain your feature here, and the motivation for why you want it.
+
+## Implementation
+
+Explain how you would implement your feature here. Provide relevant API examples and such here (if applicable).
+
+## Alternatives
+
+What other alternative implementations or otherwise relevant information is important to why you decided to go with this specific implementation?
+
+## Considerations
+
+Some questions that need to be answered include the following:
+- Will old code break in response to this feature?
+- What are the performance impacts with this feature (if any)?
+- How is it useful to include?
--- a/assets/.github/PULL_REQUEST_TEMPLATE.md
+++ b/assets/.github/PULL_REQUEST_TEMPLATE.md
@ -0,0 +1,15 @@
+## Brief Description of your Changes.
+
+Describe what you did here. Additionally, you should link any relevant issues within this section. If there is no corresponding issue, you should include relevant information (repro steps, motivation, etc) here.
+
+## Impact of your Changes
+
+What implications will this have on the project? Will there be altered behavior or performance with this change?
+
+## Tests Performed
+
+What have you done to ensure this change has the least possible impact on the project?
+
+## Additional Comments
+
+Anything else you feel is relevant.
--- a/assets/.github/workflows/analysis.yaml
+++ b/assets/.github/workflows/analysis.yaml
@ -0,0 +1,19 @@
+name: analysis
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+    run:
+        name: Run Luau Analyze
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout Project
+              uses: actions/checkout@v4
+
+            - name: Install Luau
+              uses: encodedvenom/install-luau@v2.1
+
+            - name: Analyze
+              run: |
+                  output=$(luau-analyze src || true) # Suppress errors for now.
--- a/assets/.github/workflows/dependabot.yml
+++ b/assets/.github/workflows/dependabot.yml
@ -0,0 +1,11 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: npm
+    directory: "/"
+    schedule:
+      interval: "daily"
--- a/assets/.github/workflows/deploy-docs.yaml
+++ b/assets/.github/workflows/deploy-docs.yaml
@ -0,0 +1,64 @@
+# Sample workflow for building and deploying a VitePress site to GitHub Pages
+#
+name: deploy-docs
+
+on:
+    # Runs on pushes targeting the `main` branch. Change this to `master` if you're
+    # using the `master` branch as the default branch.
+    push:
+        branches: [main]
+
+    # Allows you to run this workflow manually from the Actions tab
+    workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+    contents: read
+    pages: write
+    id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+    group: pages
+    cancel-in-progress: false
+
+jobs:
+    # Build job
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+              with:
+                  fetch-depth: 0 # Not needed if lastUpdated is not enabled
+            # - uses: pnpm/action-setup@v3 # Uncomment this if you're using pnpm
+            # - uses: oven-sh/setup-bun@v1 # Uncomment this if you're using Bun
+            - name: Setup Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 20
+                  cache: npm # or pnpm / yarn
+            - name: Setup Pages
+              uses: actions/configure-pages@v4
+            - name: Install dependencies
+              run: npm ci # or pnpm install / yarn install / bun install
+            - name: Build with VitePress
+              run: npm run docs:build # or pnpm docs:build / yarn docs:build / bun run docs:build
+            - name: Upload artifact
+              uses: actions/upload-pages-artifact@v3
+              with:
+                  path: docs/.vitepress/dist
+
+    # Deployment job
+    deploy:
+        environment:
+            name: github-pages
+            url: ${{ steps.deployment.outputs.page_url }}
+        needs: build
+        runs-on: ubuntu-latest
+        name: Deploy
+        steps:
+            - name: Deploy to GitHub Pages
+              id: deployment
+              uses: actions/deploy-pages@v4
--- a/assets/.github/workflows/publish-npm.yml
+++ b/assets/.github/workflows/publish-npm.yml
@ -0,0 +1,17 @@
+name: publish-npm
+
+on:
+    push:
+        branches: [main]
+
+jobs:
+    publish:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v3
+              with:
+                  node-version: "20"
+            - uses: JS-DevTools/npm-publish@v3
+              with:
+                  token: ${{ secrets.NPM_AUTH_TOKEN }}
--- a/assets/.github/workflows/release.yaml
+++ b/assets/.github/workflows/release.yaml
@ -0,0 +1,71 @@
+name: release
+
+on:
+    push:
+        tags: ["v*"]
+
+jobs:
+    build:
+        name: Build
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout Project
+              uses: actions/checkout@v4
+
+            - name: Install Rokit
+              uses: CompeyDev/setup-rokit@v0.1.2
+
+            - name: Install Dependencies
+              run: wally install
+
+            - name: Build
+              run: rojo build --output build.rbxm default.project.json
+
+            - name: Upload Build Artifact
+              uses: actions/upload-artifact@v3
+              with:
+                  name: build
+                  path: build.rbxm
+
+    release:
+        name: Release
+        needs: [build]
+        runs-on: ubuntu-latest
+        permissions:
+            contents: write
+        steps:
+            - name: Checkout Project
+              uses: actions/checkout@v4
+
+            - name: Download Jecs Build
+              uses: actions/download-artifact@v3
+              with:
+                  name: build
+                  path: build
+
+            - name: Rename Build
+              run: mv build/build.rbxm jecs.rbxm
+
+            - name: Create Release
+              uses: softprops/action-gh-release@v1
+              with:
+                  name: Jecs ${{ github.ref_name }}
+                  files: |
+                      jecs.rbxm
+
+    publish:
+        name: Publish
+        needs: [release]
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout Project
+              uses: actions/checkout@v4
+
+            - name: Install Rokit
+              uses: CompeyDev/setup-rokit@v0.1.2
+
+            - name: Wally Login
+              run: wally login --token ${{ secrets.WALLY_AUTH_TOKEN }}
+
+            - name: Publish
+              run: wally publish
--- a/assets/.github/workflows/unit-testing.yaml
+++ b/assets/.github/workflows/unit-testing.yaml
@ -0,0 +1,31 @@
+name: unit-testing
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+    run:
+        name: Run Luau Tests
+        runs-on: ubuntu-latest
+        timeout-minutes: 2
+
+        steps:
+            - name: Checkout Project
+              uses: actions/checkout@v4
+
+            - name: Install Luau
+              uses: encodedvenom/install-luau@v4.3
+              with:
+                  version: "latest"
+                  verbose: "true"
+
+            - name: Run Unit Tests
+              id: run_tests
+              run: |
+                  output=$(luau test/tests.luau)
+                  echo "$output"
+                  if [[ "$output" == *"0 fails"* ]]; then
+                    echo "Unit Tests Passed"
+                  else
+                    echo "Error: One or More Unit Tests Failed."
+                    exit 1
+                  fi
--- a/benches/cached.luau
+++ b/benches/cached.luau
@ -1,5 +1,5 @@
 local jecs = require("@jecs")
-local mirror = require("../mirror/init")
+local mirror = require("@mirror")

 type i53 = number

--- a/coverage/ansi.luau.html
+++ b/coverage/ansi.luau.html
@ -0,0 +1,69 @@
+<html><head>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
+<style>
+body { font-family: monospace; text-align: center; }
+#funcTable table { margin: 0 auto; width: auto; max-width: 300px; font-size: 14px; border-collapse: collapse; }
+#funcTable th, #funcTable td { padding: 2px 6px; text-align: left; white-space: nowrap; }
+#funcTable th { background-color: #ddd; }
+#funcTable td:nth-child(2) { text-align: right; min-width: 50px; }
+.zero-hits { background-color: #fcc; font-weight: bold; color: red; }
+.nonzero-hits { color: green; font-weight: bold; }
+.low-hits { background-color: #ffe6b3; }
+.high-hits { background-color: #cfc; }
+.source-code-table { margin-left: 10px; }th, td { padding: 0px; font-size: 12px; }
+table.table { font-size: 14px; border-collapse: collapse; }
+table.table th, table.table td { padding: 1px; font-size: 12px; line-height: 1.2; }
+table.table tr { height: auto; }
+</style></head><body>
+<h1 class="text-center">ansi.luau Coverage</h1>
+<h2>Total Execution Hits: 1</h2>
+<h2>Function Coverage Overview: 11.11%</h2>
+<button class="btn btn-primary mb-2" type="button" data-bs-toggle="collapse" data-bs-target="#funcTable">Toggle Function Coverage</button>
+<div class="collapse show" id="funcTable">
+<h2>Function Coverage:</h2><table class="table table-bordered"><thead><tr><th>Function</th><th>Hits</th></tr></thead><tbody>
+<tr><td style="padding: 1px; min-width: 18ch;"><main></td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">white_underline:2</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">white:6</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">green:10</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">red:14</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">yellow:18</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">red_highlight:22</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">green_highlight:26</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 18ch;">gray:30</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+</tbody></table></div>
+<h2>Source Code:</h2><table class="table table-bordered source-code-table "><thead><tr><th>Line</th><th>Hits</th><th>Code</th></tr></thead><tbody>
+<tr><td>1</td><td>1</td><td><span class=high-hits>return {</span></td></tr>
+<tr><td>2</td><td>1</td><td><span class=high-hits>white_underline = function(s: any)</span></td></tr>
+<tr><td>3</td><td>0</td><td><span class=zero-hits>return `\27[1;4m{s}\27[0m`</span></td></tr>
+<tr><td>4</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>5</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>6</td><td>1</td><td><span class=high-hits>white = function(s: any)</span></td></tr>
+<tr><td>7</td><td>0</td><td><span class=zero-hits>return `\27[37;1m{s}\27[0m`</span></td></tr>
+<tr><td>8</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>9</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>10</td><td>1</td><td><span class=high-hits>green = function(s: any)</span></td></tr>
+<tr><td>11</td><td>0</td><td><span class=zero-hits>return `\27[32;1m{s}\27[0m`</span></td></tr>
+<tr><td>12</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>13</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>14</td><td>1</td><td><span class=high-hits>red = function(s: any)</span></td></tr>
+<tr><td>15</td><td>0</td><td><span class=zero-hits>return `\27[31;1m{s}\27[0m`</span></td></tr>
+<tr><td>16</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>17</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>18</td><td>1</td><td><span class=high-hits>yellow = function(s: any)</span></td></tr>
+<tr><td>19</td><td>0</td><td><span class=zero-hits>return `\27[33;1m{s}\27[0m`</span></td></tr>
+<tr><td>20</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>21</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>22</td><td>1</td><td><span class=high-hits>red_highlight = function(s: any)</span></td></tr>
+<tr><td>23</td><td>0</td><td><span class=zero-hits>return `\27[41;1;30m{s}\27[0m`</span></td></tr>
+<tr><td>24</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>25</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>26</td><td>1</td><td><span class=high-hits>green_highlight = function(s: any)</span></td></tr>
+<tr><td>27</td><td>0</td><td><span class=zero-hits>return `\27[42;1;30m{s}\27[0m`</span></td></tr>
+<tr><td>28</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>29</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>30</td><td>1</td><td><span class=high-hits>gray = function(s: any)</span></td></tr>
+<tr><td>31</td><td>0</td><td><span class=zero-hits>return `\27[30;1m{s}\27[0m`</span></td></tr>
+<tr><td>32</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>33</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+</tbody></table></body></html>
--- a/coverage/entity_visualiser.luau.html
+++ b/coverage/entity_visualiser.luau.html
@ -0,0 +1,74 @@
+<html><head>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
+<style>
+body { font-family: monospace; text-align: center; }
+#funcTable table { margin: 0 auto; width: auto; max-width: 300px; font-size: 14px; border-collapse: collapse; }
+#funcTable th, #funcTable td { padding: 2px 6px; text-align: left; white-space: nowrap; }
+#funcTable th { background-color: #ddd; }
+#funcTable td:nth-child(2) { text-align: right; min-width: 50px; }
+.zero-hits { background-color: #fcc; font-weight: bold; color: red; }
+.nonzero-hits { color: green; font-weight: bold; }
+.low-hits { background-color: #ffe6b3; }
+.high-hits { background-color: #cfc; }
+.source-code-table { margin-left: 10px; }th, td { padding: 0px; font-size: 12px; }
+table.table { font-size: 14px; border-collapse: collapse; }
+table.table th, table.table td { padding: 1px; font-size: 12px; line-height: 1.2; }
+table.table tr { height: auto; }
+</style></head><body>
+<h1 class="text-center">entity_visualiser.luau Coverage</h1>
+<h2>Total Execution Hits: 1</h2>
+<h2>Function Coverage Overview: 25.00%</h2>
+<button class="btn btn-primary mb-2" type="button" data-bs-toggle="collapse" data-bs-target="#funcTable">Toggle Function Coverage</button>
+<div class="collapse show" id="funcTable">
+<h2>Function Coverage:</h2><table class="table table-bordered"><thead><tr><th>Function</th><th>Hits</th></tr></thead><tbody>
+<tr><td style="padding: 1px; min-width: 13ch;"><main></td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 13ch;">pe:6</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 13ch;">name:11</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 13ch;">components:15</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+</tbody></table></div>
+<h2>Source Code:</h2><table class="table table-bordered source-code-table "><thead><tr><th>Line</th><th>Hits</th><th>Code</th></tr></thead><tbody>
+<tr><td>1</td><td>1</td><td><span class=high-hits>local jecs = require("@jecs")</span></td></tr>
+<tr><td>2</td><td>1</td><td><span class=high-hits>local ECS_GENERATION = jecs.ECS_GENERATION</span></td></tr>
+<tr><td>3</td><td>1</td><td><span class=high-hits>local ECS_ID = jecs.ECS_ID</span></td></tr>
+<tr><td>4</td><td>1</td><td><span class=high-hits>local ansi = require("@tools/ansi")</span></td></tr>
+<tr><td>5</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>6</td><td>1</td><td><span class=high-hits>local function pe(e: any)</span></td></tr>
+<tr><td>7</td><td>0</td><td><span class=zero-hits>local gen = ECS_GENERATION(e)</span></td></tr>
+<tr><td>8</td><td>0</td><td><span class=zero-hits>return ansi.green(`e{ECS_ID(e)}`) .. ansi.yellow(`v{gen}`)</span></td></tr>
+<tr><td>9</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>10</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>11</td><td>1</td><td><span class=high-hits>local function name(world: jecs.World, id: any)</span></td></tr>
+<tr><td>12</td><td>0</td><td><span class=zero-hits>return world:get(id, jecs.Name) or `${id}`</span></td></tr>
+<tr><td>13</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>14</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>15</td><td>1</td><td><span class=high-hits>local function components(world: jecs.World, entity: any)</span></td></tr>
+<tr><td>16</td><td>0</td><td><span class=zero-hits>local r = jecs.entity_index_try_get(world.entity_index, entity)</span></td></tr>
+<tr><td>17</td><td>0</td><td><span class=zero-hits>if not r then</span></td></tr>
+<tr><td>18</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>19</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>20</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>21</td><td>0</td><td><span class=zero-hits>local archetype = r.archetype</span></td></tr>
+<tr><td>22</td><td>0</td><td><span class=zero-hits>local row = r.row</span></td></tr>
+<tr><td>23</td><td>0</td><td><span class=zero-hits>print(`Entity {pe(entity)}`)</span></td></tr>
+<tr><td>24</td><td>0</td><td><span class=zero-hits>print("-----------------------------------------------------")</span></td></tr>
+<tr><td>25</td><td>0</td><td><span class=zero-hits>for i, column in archetype.columns do</span></td></tr>
+<tr><td>26</td><td>0</td><td><span class=zero-hits>local component = archetype.types[i]</span></td></tr>
+<tr><td>27</td><td>0</td><td><span class=zero-hits>local n</span></td></tr>
+<tr><td>28</td><td>0</td><td><span class=zero-hits>if jecs.IS_PAIR(component) then</span></td></tr>
+<tr><td>29</td><td>0</td><td><span class=zero-hits>n = `({name(world, jecs.pair_first(world, component))}, {name(world, jecs.pair_second(world, component))})`</span></td></tr>
+<tr><td>30</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>31</td><td>0</td><td><span class=zero-hits>n = name(world, component)</span></td></tr>
+<tr><td>32</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>33</td><td>0</td><td><span class=zero-hits>local data = column[row] or "TAG"</span></td></tr>
+<tr><td>34</td><td>0</td><td><span class=zero-hits>print(`| {n} | {data} |`)</span></td></tr>
+<tr><td>35</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>36</td><td>0</td><td><span class=zero-hits>print("-----------------------------------------------------")</span></td></tr>
+<tr><td>37</td><td>0</td><td><span class=zero-hits>return true</span></td></tr>
+<tr><td>38</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>39</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>40</td><td>1</td><td><span class=high-hits>return {</span></td></tr>
+<tr><td>41</td><td>1</td><td><span class=high-hits>components = components,</span></td></tr>
+<tr><td>42</td><td>1</td><td><span class=high-hits>prettify = pe,</span></td></tr>
+<tr><td>43</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+</tbody></table></body></html>
--- a/coverage/index.html
+++ b/coverage/index.html
@ -0,0 +1,12 @@
+<html><head>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">
+</head><body>
+<h1 class="text-center">Coverage Report</h1>
+<table class="table table-striped table-bordered"><thead><tr><th>File</th><th>Total Hits</th><th>Functions</th></tr></thead><tbody>
+<tr><td><a href="tests.luau.html">tests.luau</a></td><td>100</td><td>67</td></tr>
+<tr><td><a href="jecs.luau.html">jecs.luau</a></td><td>1006447</td><td>97</td></tr>
+<tr><td><a href="testkit.luau.html">testkit.luau</a></td><td>1826</td><td>31</td></tr>
+<tr><td><a href="lifetime_tracker.luau.html">lifetime_tracker.luau</a></td><td>1</td><td>11</td></tr>
+<tr><td><a href="entity_visualiser.luau.html">entity_visualiser.luau</a></td><td>1</td><td>4</td></tr>
+<tr><td><a href="ansi.luau.html">ansi.luau</a></td><td>1</td><td>9</td></tr>
+</tbody></table></body></html>
--- a/coverage/jecs.luau.html
+++ b/coverage/jecs.luau.html
--- a/coverage/lifetime_tracker.luau.html
+++ b/coverage/lifetime_tracker.luau.html
@ -0,0 +1,254 @@
+<html><head>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
+<style>
+body { font-family: monospace; text-align: center; }
+#funcTable table { margin: 0 auto; width: auto; max-width: 300px; font-size: 14px; border-collapse: collapse; }
+#funcTable th, #funcTable td { padding: 2px 6px; text-align: left; white-space: nowrap; }
+#funcTable th { background-color: #ddd; }
+#funcTable td:nth-child(2) { text-align: right; min-width: 50px; }
+.zero-hits { background-color: #fcc; font-weight: bold; color: red; }
+.nonzero-hits { color: green; font-weight: bold; }
+.low-hits { background-color: #ffe6b3; }
+.high-hits { background-color: #cfc; }
+.source-code-table { margin-left: 10px; }th, td { padding: 0px; font-size: 12px; }
+table.table { font-size: 14px; border-collapse: collapse; }
+table.table th, table.table td { padding: 1px; font-size: 12px; line-height: 1.2; }
+table.table tr { height: auto; }
+</style></head><body>
+<h1 class="text-center">lifetime_tracker.luau Coverage</h1>
+<h2>Total Execution Hits: 1</h2>
+<h2>Function Coverage Overview: 9.09%</h2>
+<button class="btn btn-primary mb-2" type="button" data-bs-toggle="collapse" data-bs-target="#funcTable">Toggle Function Coverage</button>
+<div class="collapse show" id="funcTable">
+<h2>Function Coverage:</h2><table class="table table-bordered"><thead><tr><th>Function</th><th>Hits</th></tr></thead><tbody>
+<tr><td style="padding: 1px; min-width: 24ch;"><main></td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;">print_centered_entity:12</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;">name:26</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;">pad:30</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;">lifetime_tracker_add:36</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:48</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:62</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:89</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:135</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:164</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 24ch;"><anonymous>:175</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+</tbody></table></div>
+<h2>Source Code:</h2><table class="table table-bordered source-code-table "><thead><tr><th>Line</th><th>Hits</th><th>Code</th></tr></thead><tbody>
+<tr><td>1</td><td>1</td><td><span class=high-hits>local jecs = require("@jecs")</span></td></tr>
+<tr><td>2</td><td>1</td><td><span class=high-hits>local ECS_GENERATION = jecs.ECS_GENERATION</span></td></tr>
+<tr><td>3</td><td>1</td><td><span class=high-hits>local ECS_ID = jecs.ECS_ID</span></td></tr>
+<tr><td>4</td><td>1</td><td><span class=high-hits>local __ = jecs.Wildcard</span></td></tr>
+<tr><td>5</td><td>1</td><td><span class=high-hits>local pair = jecs.pair</span></td></tr>
+<tr><td>6</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>7</td><td>1</td><td><span class=high-hits>local prettify = require("@tools/entity_visualiser").prettify</span></td></tr>
+<tr><td>8</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>9</td><td>1</td><td><span class=high-hits>local pe = prettify</span></td></tr>
+<tr><td>10</td><td>1</td><td><span class=high-hits>local ansi = require("@tools/ansi")</span></td></tr>
+<tr><td>11</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>12</td><td>1</td><td><span class=high-hits>function print_centered_entity(entity, width: number)</span></td></tr>
+<tr><td>13</td><td>0</td><td><span class=zero-hits>local entity_str = tostring(entity)</span></td></tr>
+<tr><td>14</td><td>0</td><td><span class=zero-hits>local entity_length = #entity_str</span></td></tr>
+<tr><td>15</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>16</td><td>0</td><td><span class=zero-hits>local padding_total = width - 2 - entity_length</span></td></tr>
+<tr><td>17</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>18</td><td>0</td><td><span class=zero-hits>local padding_left = math.floor(padding_total / 2)</span></td></tr>
+<tr><td>19</td><td>0</td><td><span class=zero-hits>local padding_right = padding_total - padding_left</span></td></tr>
+<tr><td>20</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>21</td><td>0</td><td><span class=zero-hits>local centered_str = string.rep(" ", padding_left) .. entity_str .. string.rep(" ", padding_right)</span></td></tr>
+<tr><td>22</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>23</td><td>0</td><td><span class=zero-hits>print("|" .. centered_str .. "|")</span></td></tr>
+<tr><td>24</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>25</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>26</td><td>1</td><td><span class=high-hits>local function name(world, e)</span></td></tr>
+<tr><td>27</td><td>0</td><td><span class=zero-hits>return world:get(world, e, jecs.Name) or pe(e)</span></td></tr>
+<tr><td>28</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>29</td><td>1</td><td><span class=high-hits>local padding_enabled = false</span></td></tr>
+<tr><td>30</td><td>1</td><td><span class=high-hits>local function pad()</span></td></tr>
+<tr><td>31</td><td>0</td><td><span class=zero-hits>if padding_enabled then</span></td></tr>
+<tr><td>32</td><td>0</td><td><span class=zero-hits>print("")</span></td></tr>
+<tr><td>33</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>34</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>35</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>36</td><td>1</td><td><span class=high-hits>local function lifetime_tracker_add(world: jecs.World, opt)</span></td></tr>
+<tr><td>37</td><td>0</td><td><span class=zero-hits>local entity_index = world.entity_index</span></td></tr>
+<tr><td>38</td><td>0</td><td><span class=zero-hits>local dense_array = entity_index.dense_array</span></td></tr>
+<tr><td>39</td><td>0</td><td><span class=zero-hits>local component_index = world.component_index</span></td></tr>
+<tr><td>40</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>41</td><td>0</td><td><span class=zero-hits>local ENTITY_RANGE = (jecs.Rest :: any) + 1</span></td></tr>
+<tr><td>42</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>43</td><td>0</td><td><span class=zero-hits>local w = setmetatable({}, { __index = world })</span></td></tr>
+<tr><td>44</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>45</td><td>0</td><td><span class=zero-hits>padding_enabled = opt.padding_enabled</span></td></tr>
+<tr><td>46</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>47</td><td>0</td><td><span class=zero-hits>local world_entity = world.entity</span></td></tr>
+<tr><td>48</td><td>0</td><td><span class=zero-hits>w.entity = function(self, entity)</span></td></tr>
+<tr><td>49</td><td>0</td><td><span class=zero-hits>if entity then</span></td></tr>
+<tr><td>50</td><td>0</td><td><span class=zero-hits>return world_entity(world, entity)</span></td></tr>
+<tr><td>51</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>52</td><td>0</td><td><span class=zero-hits>local will_recycle = entity_index.max_id ~= entity_index.alive_count</span></td></tr>
+<tr><td>53</td><td>0</td><td><span class=zero-hits>local e = world_entity(world)</span></td></tr>
+<tr><td>54</td><td>0</td><td><span class=zero-hits>if will_recycle then</span></td></tr>
+<tr><td>55</td><td>0</td><td><span class=zero-hits>print(`*recycled {pe(e)}`)</span></td></tr>
+<tr><td>56</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>57</td><td>0</td><td><span class=zero-hits>print(`*created {pe(e)}`)</span></td></tr>
+<tr><td>58</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>59</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>60</td><td>0</td><td><span class=zero-hits>return e</span></td></tr>
+<tr><td>61</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>62</td><td>0</td><td><span class=zero-hits>w.print_entity_index = function(self)</span></td></tr>
+<tr><td>63</td><td>0</td><td><span class=zero-hits>local max_id = entity_index.max_id</span></td></tr>
+<tr><td>64</td><td>0</td><td><span class=zero-hits>local alive_count = entity_index.alive_count</span></td></tr>
+<tr><td>65</td><td>0</td><td><span class=zero-hits>local alive = table.move(dense_array, 1 + jecs.Rest :: any, alive_count, 1, {})</span></td></tr>
+<tr><td>66</td><td>0</td><td><span class=zero-hits>local dead = table.move(dense_array, alive_count + 1, max_id, 1, {})</span></td></tr>
+<tr><td>67</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>68</td><td>0</td><td><span class=zero-hits>local sep = "|--------|"</span></td></tr>
+<tr><td>69</td><td>0</td><td><span class=zero-hits>if #alive > 0 then</span></td></tr>
+<tr><td>70</td><td>0</td><td><span class=zero-hits>print("|-alive--|")</span></td></tr>
+<tr><td>71</td><td>0</td><td><span class=zero-hits>for i = 1, #alive do</span></td></tr>
+<tr><td>72</td><td>0</td><td><span class=zero-hits>local e = pe(alive[i])</span></td></tr>
+<tr><td>73</td><td>0</td><td><span class=zero-hits>print_centered_entity(e, 32)</span></td></tr>
+<tr><td>74</td><td>0</td><td><span class=zero-hits>print(sep)</span></td></tr>
+<tr><td>75</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>76</td><td>0</td><td><span class=zero-hits>print("\n")</span></td></tr>
+<tr><td>77</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>78</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>79</td><td>0</td><td><span class=zero-hits>if #dead > 0 then</span></td></tr>
+<tr><td>80</td><td>0</td><td><span class=zero-hits>print("|--dead--|")</span></td></tr>
+<tr><td>81</td><td>0</td><td><span class=zero-hits>for i = 1, #dead do</span></td></tr>
+<tr><td>82</td><td>0</td><td><span class=zero-hits>print_centered_entity(pe(dead[i]), 32)</span></td></tr>
+<tr><td>83</td><td>0</td><td><span class=zero-hits>print(sep)</span></td></tr>
+<tr><td>84</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>85</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>86</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>87</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>88</td><td>0</td><td><span class=zero-hits>local timelines = {}</span></td></tr>
+<tr><td>89</td><td>0</td><td><span class=zero-hits>w.print_snapshot = function(self)</span></td></tr>
+<tr><td>90</td><td>0</td><td><span class=zero-hits>local timeline = #timelines + 1</span></td></tr>
+<tr><td>91</td><td>0</td><td><span class=zero-hits>local entity_column_width = 10</span></td></tr>
+<tr><td>92</td><td>0</td><td><span class=zero-hits>local status_column_width = 8</span></td></tr>
+<tr><td>93</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>94</td><td>0</td><td><span class=zero-hits>local header = string.format("| %-" .. entity_column_width .. "s |", "Entity")</span></td></tr>
+<tr><td>95</td><td>0</td><td><span class=zero-hits>for i = 1, timeline do</span></td></tr>
+<tr><td>96</td><td>0</td><td><span class=zero-hits>header = header .. string.format(" %-" .. status_column_width .. "s |", string.format("T%d", i))</span></td></tr>
+<tr><td>97</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>98</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>99</td><td>0</td><td><span class=zero-hits>local max_id = entity_index.max_id</span></td></tr>
+<tr><td>100</td><td>0</td><td><span class=zero-hits>local alive_count = entity_index.alive_count</span></td></tr>
+<tr><td>101</td><td>0</td><td><span class=zero-hits>local alive = table.move(dense_array, 1 + jecs.Rest :: any, alive_count, 1, {})</span></td></tr>
+<tr><td>102</td><td>0</td><td><span class=zero-hits>local dead = table.move(dense_array, alive_count + 1, max_id, 1, {})</span></td></tr>
+<tr><td>103</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>104</td><td>0</td><td><span class=zero-hits>local data = {}</span></td></tr>
+<tr><td>105</td><td>0</td><td><span class=zero-hits>print("-------------------------------------------------------------------")</span></td></tr>
+<tr><td>106</td><td>0</td><td><span class=zero-hits>print(header)</span></td></tr>
+<tr><td>107</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>108</td><td><span class='text-muted'>N/A</span></td><td>-- Store the snapshot data for this timeline</td>></tr>
+<tr><td>109</td><td>0</td><td><span class=zero-hits>for i = ENTITY_RANGE, max_id do</span></td></tr>
+<tr><td>110</td><td>0</td><td><span class=zero-hits>if dense_array[i] then</span></td></tr>
+<tr><td>111</td><td>0</td><td><span class=zero-hits>local entity = dense_array[i]</span></td></tr>
+<tr><td>112</td><td>0</td><td><span class=zero-hits>local id = ECS_ID(entity)</span></td></tr>
+<tr><td>113</td><td>0</td><td><span class=zero-hits>local status = "alive"</span></td></tr>
+<tr><td>114</td><td>0</td><td><span class=zero-hits>if not world:contains(entity) then</span></td></tr>
+<tr><td>115</td><td>0</td><td><span class=zero-hits>status = "dead"</span></td></tr>
+<tr><td>116</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>117</td><td>0</td><td><span class=zero-hits>data[id] = status</span></td></tr>
+<tr><td>118</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>119</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>120</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>121</td><td>0</td><td><span class=zero-hits>table.insert(timelines, data)</span></td></tr>
+<tr><td>122</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>123</td><td><span class='text-muted'>N/A</span></td><td>-- Create a table to hold entity data for sorting</td>></tr>
+<tr><td>124</td><td>0</td><td><span class=zero-hits>local entities = {}</span></td></tr>
+<tr><td>125</td><td>0</td><td><span class=zero-hits>for i = ENTITY_RANGE, max_id do</span></td></tr>
+<tr><td>126</td><td>0</td><td><span class=zero-hits>if dense_array[i] then</span></td></tr>
+<tr><td>127</td><td>0</td><td><span class=zero-hits>local entity = dense_array[i]</span></td></tr>
+<tr><td>128</td><td>0</td><td><span class=zero-hits>local id = ECS_ID(entity)</span></td></tr>
+<tr><td>129</td><td><span class='text-muted'>N/A</span></td><td>-- Push entity and id into the new `entities` table</td>></tr>
+<tr><td>130</td><td>0</td><td><span class=zero-hits>table.insert(entities, { entity = entity, id = id })</span></td></tr>
+<tr><td>131</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>132</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>133</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>134</td><td><span class='text-muted'>N/A</span></td><td>-- Sort the entities by ECS_ID</td>></tr>
+<tr><td>135</td><td>0</td><td><span class=zero-hits>table.sort(entities, function(a, b)</span></td></tr>
+<tr><td>136</td><td>0</td><td><span class=zero-hits>return a.id < b.id</span></td></tr>
+<tr><td>137</td><td><span class='text-muted'>N/A</span></td><td>end)</td>></tr>
+<tr><td>138</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>139</td><td><span class='text-muted'>N/A</span></td><td>-- Print the sorted rows</td>></tr>
+<tr><td>140</td><td>0</td><td><span class=zero-hits>for _, entity_data in ipairs(entities) do</span></td></tr>
+<tr><td>141</td><td>0</td><td><span class=zero-hits>local entity = entity_data.entity</span></td></tr>
+<tr><td>142</td><td>0</td><td><span class=zero-hits>local id = entity_data.id</span></td></tr>
+<tr><td>143</td><td>0</td><td><span class=zero-hits>local status = "alive"</span></td></tr>
+<tr><td>144</td><td>0</td><td><span class=zero-hits>if id > alive_count then</span></td></tr>
+<tr><td>145</td><td>0</td><td><span class=zero-hits>status = "dead"</span></td></tr>
+<tr><td>146</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>147</td><td>0</td><td><span class=zero-hits>local row = string.format("| %-" .. entity_column_width .. "s     |", pe(entity))</span></td></tr>
+<tr><td>148</td><td>0</td><td><span class=zero-hits>for j = 1, timeline do</span></td></tr>
+<tr><td>149</td><td>0</td><td><span class=zero-hits>local timeline_data = timelines[j]</span></td></tr>
+<tr><td>150</td><td>0</td><td><span class=zero-hits>local entity_data = timeline_data[id]</span></td></tr>
+<tr><td>151</td><td>0</td><td><span class=zero-hits>if entity_data then</span></td></tr>
+<tr><td>152</td><td>0</td><td><span class=zero-hits>row = row .. string.format(" %-" .. status_column_width .. "s |", entity_data)</span></td></tr>
+<tr><td>153</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>154</td><td>0</td><td><span class=zero-hits>row = row .. string.format(" %-" .. status_column_width .. "s |", "-")</span></td></tr>
+<tr><td>155</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>156</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>157</td><td>0</td><td><span class=zero-hits>print(row)</span></td></tr>
+<tr><td>158</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>159</td><td>0</td><td><span class=zero-hits>print("-------------------------------------------------------------------")</span></td></tr>
+<tr><td>160</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>161</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>162</td><td>0</td><td><span class=zero-hits>local world_add = world.add</span></td></tr>
+<tr><td>163</td><td>0</td><td><span class=zero-hits>local relations = {}</span></td></tr>
+<tr><td>164</td><td>0</td><td><span class=zero-hits>w.add = function(self, entity: any, component: any)</span></td></tr>
+<tr><td>165</td><td>0</td><td><span class=zero-hits>world_add(world, entity, component)</span></td></tr>
+<tr><td>166</td><td>0</td><td><span class=zero-hits>if jecs.IS_PAIR(component) then</span></td></tr>
+<tr><td>167</td><td>0</td><td><span class=zero-hits>local relation = jecs.pair_first(world, component)</span></td></tr>
+<tr><td>168</td><td>0</td><td><span class=zero-hits>local target = jecs.pair_second(world, component)</span></td></tr>
+<tr><td>169</td><td>0</td><td><span class=zero-hits>print(`*added ({pe(relation)}, {pe(target)}) to {pe(entity)}`)</span></td></tr>
+<tr><td>170</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>171</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>172</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>173</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>174</td><td>0</td><td><span class=zero-hits>local world_delete = world.delete</span></td></tr>
+<tr><td>175</td><td>0</td><td><span class=zero-hits>w.delete = function(self, e)</span></td></tr>
+<tr><td>176</td><td>0</td><td><span class=zero-hits>world_delete(world, e)</span></td></tr>
+<tr><td>177</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>178</td><td>0</td><td><span class=zero-hits>local idr_t = component_index[pair(__, e)]</span></td></tr>
+<tr><td>179</td><td>0</td><td><span class=zero-hits>if idr_t then</span></td></tr>
+<tr><td>180</td><td>0</td><td><span class=zero-hits>for archetype_id in idr_t.cache do</span></td></tr>
+<tr><td>181</td><td>0</td><td><span class=zero-hits>local archetype = world.archetypes[archetype_id]</span></td></tr>
+<tr><td>182</td><td>0</td><td><span class=zero-hits>for _, id in archetype.types do</span></td></tr>
+<tr><td>183</td><td>0</td><td><span class=zero-hits>if not jecs.IS_PAIR(id) then</span></td></tr>
+<tr><td>184</td><td>0</td><td><span class=zero-hits>continue</span></td></tr>
+<tr><td>185</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>186</td><td>0</td><td><span class=zero-hits>local object = jecs.pair_second(world, id)</span></td></tr>
+<tr><td>187</td><td>0</td><td><span class=zero-hits>if object ~= e then</span></td></tr>
+<tr><td>188</td><td>0</td><td><span class=zero-hits>continue</span></td></tr>
+<tr><td>189</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>190</td><td>0</td><td><span class=zero-hits>local id_record = component_index[id]</span></td></tr>
+<tr><td>191</td><td>0</td><td><span class=zero-hits>local flags = id_record.flags</span></td></tr>
+<tr><td>192</td><td>0</td><td><span class=zero-hits>local flags_delete_mask: number = bit32.band(flags, jecs.ECS_ID_DELETE)</span></td></tr>
+<tr><td>193</td><td>0</td><td><span class=zero-hits>if flags_delete_mask ~= 0 then</span></td></tr>
+<tr><td>194</td><td>0</td><td><span class=zero-hits>for _, entity in archetype.entities do</span></td></tr>
+<tr><td>195</td><td>0</td><td><span class=zero-hits>print(`*deleted dependant {pe(entity)} of {pe(e)}`)</span></td></tr>
+<tr><td>196</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>197</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>198</td><td>0</td><td><span class=zero-hits>break</span></td></tr>
+<tr><td>199</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>200</td><td>0</td><td><span class=zero-hits>for _, entity in archetype.entities do</span></td></tr>
+<tr><td>201</td><td>0</td><td><span class=zero-hits>print(</span></td></tr>
+<tr><td>202</td><td>0</td><td><span class=zero-hits>`*removed dependency ({pe(jecs.pair_first(world, id))}, {pe(object)}) from {pe(entity)}`</span></td></tr>
+<tr><td>203</td><td>0</td><td><span class=zero-hits>)</span></td></tr>
+<tr><td>204</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>205</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>206</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>207</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>208</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>209</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>210</td><td>0</td><td><span class=zero-hits>print(`*deleted {pe(e)}`)</span></td></tr>
+<tr><td>211</td><td>0</td><td><span class=zero-hits>pad()</span></td></tr>
+<tr><td>212</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>213</td><td>0</td><td><span class=zero-hits>return w</span></td></tr>
+<tr><td>214</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>215</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>216</td><td>1</td><td><span class=high-hits>return lifetime_tracker_add</span></td></tr>
+</tbody></table></body></html>
--- a/coverage/testkit.luau.html
+++ b/coverage/testkit.luau.html
@ -0,0 +1,617 @@
+<html><head>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
+<style>
+body { font-family: monospace; text-align: center; }
+#funcTable table { margin: 0 auto; width: auto; max-width: 300px; font-size: 14px; border-collapse: collapse; }
+#funcTable th, #funcTable td { padding: 2px 6px; text-align: left; white-space: nowrap; }
+#funcTable th { background-color: #ddd; }
+#funcTable td:nth-child(2) { text-align: right; min-width: 50px; }
+.zero-hits { background-color: #fcc; font-weight: bold; color: red; }
+.nonzero-hits { color: green; font-weight: bold; }
+.low-hits { background-color: #ffe6b3; }
+.high-hits { background-color: #cfc; }
+.source-code-table { margin-left: 10px; }th, td { padding: 0px; font-size: 12px; }
+table.table { font-size: 14px; border-collapse: collapse; }
+table.table th, table.table td { padding: 1px; font-size: 12px; line-height: 1.2; }
+table.table tr { height: auto; }
+</style></head><body>
+<h1 class="text-center">testkit.luau Coverage</h1>
+<h2>Total Execution Hits: 1826</h2>
+<h2>Function Coverage Overview: 64.52%</h2>
+<button class="btn btn-primary mb-2" type="button" data-bs-toggle="collapse" data-bs-target="#funcTable">Toggle Function Coverage</button>
+<div class="collapse show" id="funcTable">
+<h2>Function Coverage:</h2><table class="table table-bordered"><thead><tr><th>Function</th><th>Hits</th></tr></thead><tbody>
+<tr><td style="padding: 1px; min-width: 22ch;"><main></td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">white_underline:11</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">white:15</td><td style="padding: 1px; color: green; font-weight: bold;">24</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">green:19</td><td style="padding: 1px; color: green; font-weight: bold;">77</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">red:23</td><td style="padding: 1px; color: green; font-weight: bold;">146</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">yellow:27</td><td style="padding: 1px; color: green; font-weight: bold;">76</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">red_highlight:31</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">green_highlight:35</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">gray:39</td><td style="padding: 1px; color: green; font-weight: bold;">84</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">orange:43</td><td style="padding: 1px; color: green; font-weight: bold;">73</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">convert_units:48</td><td style="padding: 1px; color: green; font-weight: bold;">6</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">output_test_result:131</td><td style="padding: 1px; color: green; font-weight: bold;">24</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">CASE:169</td><td style="padding: 1px; color: green; font-weight: bold;">73</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">CHECK_EXPECT_ERR:183</td><td style="padding: 1px; color: green; font-weight: bold;">9</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">CHECK:201</td><td style="padding: 1px; color: green; font-weight: bold;">1195</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">TEST:224</td><td style="padding: 1px; color: green; font-weight: bold;">24</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">FOCUS:237</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">FINISH:248</td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;"><anonymous>:264</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">SKIP:314</td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">START:330</td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">BENCH:342</td><td style="padding: 1px; color: green; font-weight: bold;">3</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;"><anonymous>:354</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">round:372</td><td style="padding: 1px; color: green; font-weight: bold;">6</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">print2:396</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">tos:401</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">shallow_eq:480</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">deep_eq:500</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">test:533</td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">benchmark:545</td><td style="padding: 1px; color: green; font-weight: bold;">1</td></tr>
+<tr><td style="padding: 1px; min-width: 22ch;">disable_formatting:549</td><td style="padding: 1px; color: red; font-weight: bold;">0</td></tr>
+</tbody></table></div>
+<h2>Source Code:</h2><table class="table table-bordered source-code-table "><thead><tr><th>Line</th><th>Hits</th><th>Code</th></tr></thead><tbody>
+<tr><td>1</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>2</td><td><span class='text-muted'>N/A</span></td><td>-- testkit.luau</td>></tr>
+<tr><td>3</td><td><span class='text-muted'>N/A</span></td><td>-- v0.7.3</td>></tr>
+<tr><td>4</td><td><span class='text-muted'>N/A</span></td><td>-- MIT License</td>></tr>
+<tr><td>5</td><td><span class='text-muted'>N/A</span></td><td>-- Copyright (c) 2022 centau</td>></tr>
+<tr><td>6</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>7</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>8</td><td>1</td><td><span class=low-hits>local disable_ansi = false</span></td></tr>
+<tr><td>9</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>10</td><td>1</td><td><span class=low-hits>local color = {</span></td></tr>
+<tr><td>11</td><td>1</td><td><span class=low-hits>white_underline = function(s: string): string</span></td></tr>
+<tr><td>12</td><td>0</td><td><span class=zero-hits>return if disable_ansi then s else `\27[1;4m{s}\27[0m`</span></td></tr>
+<tr><td>13</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>14</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>15</td><td>1</td><td><span class=low-hits>white = function(s: string): string</span></td></tr>
+<tr><td>16</td><td>24</td><td><span class=low-hits>return if disable_ansi then s else `\27[37;1m{s}\27[0m`</span></td></tr>
+<tr><td>17</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>18</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>19</td><td>1</td><td><span class=low-hits>green = function(s: string): string</span></td></tr>
+<tr><td>20</td><td>77</td><td><span class=low-hits>return if disable_ansi then s else `\27[32;1m{s}\27[0m`</span></td></tr>
+<tr><td>21</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>22</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>23</td><td>1</td><td><span class=low-hits>red = function(s: string): string</span></td></tr>
+<tr><td>24</td><td>146</td><td><span class=low-hits>return if disable_ansi then s else `\27[31;1m{s}\27[0m`</span></td></tr>
+<tr><td>25</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>26</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>27</td><td>1</td><td><span class=low-hits>yellow = function(s: string): string</span></td></tr>
+<tr><td>28</td><td>76</td><td><span class=low-hits>return if disable_ansi then s else `\27[33;1m{s}\27[0m`</span></td></tr>
+<tr><td>29</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>30</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>31</td><td>1</td><td><span class=low-hits>red_highlight = function(s: string): string</span></td></tr>
+<tr><td>32</td><td>0</td><td><span class=zero-hits>return if disable_ansi then s else `\27[41;1;30m{s}\27[0m`</span></td></tr>
+<tr><td>33</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>34</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>35</td><td>1</td><td><span class=low-hits>green_highlight = function(s: string): string</span></td></tr>
+<tr><td>36</td><td>0</td><td><span class=zero-hits>return if disable_ansi then s else `\27[42;1;30m{s}\27[0m`</span></td></tr>
+<tr><td>37</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>38</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>39</td><td>1</td><td><span class=low-hits>gray = function(s: string): string</span></td></tr>
+<tr><td>40</td><td>84</td><td><span class=low-hits>return if disable_ansi then s else `\27[38;1m{s}\27[0m`</span></td></tr>
+<tr><td>41</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>42</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>43</td><td>1</td><td><span class=low-hits>orange = function(s: string): string</span></td></tr>
+<tr><td>44</td><td>73</td><td><span class=low-hits>return if disable_ansi then s else `\27[38;5;208m{s}\27[0m`</span></td></tr>
+<tr><td>45</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>46</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>47</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>48</td><td>1</td><td><span class=low-hits>local function convert_units(unit: string, value: number): (number, string)</span></td></tr>
+<tr><td>49</td><td>6</td><td><span class=low-hits>local sign = math.sign(value)</span></td></tr>
+<tr><td>50</td><td>6</td><td><span class=low-hits>value = math.abs(value)</span></td></tr>
+<tr><td>51</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>52</td><td>6</td><td><span class=low-hits>local prefix_colors = {</span></td></tr>
+<tr><td>53</td><td>6</td><td><span class=low-hits>[4] = color.red,</span></td></tr>
+<tr><td>54</td><td>6</td><td><span class=low-hits>[3] = color.red,</span></td></tr>
+<tr><td>55</td><td>6</td><td><span class=low-hits>[2] = color.yellow,</span></td></tr>
+<tr><td>56</td><td>6</td><td><span class=low-hits>[1] = color.yellow,</span></td></tr>
+<tr><td>57</td><td>6</td><td><span class=low-hits>[0] = color.green,</span></td></tr>
+<tr><td>58</td><td>6</td><td><span class=low-hits>[-1] = color.red,</span></td></tr>
+<tr><td>59</td><td>6</td><td><span class=low-hits>[-2] = color.yellow,</span></td></tr>
+<tr><td>60</td><td>6</td><td><span class=low-hits>[-3] = color.green,</span></td></tr>
+<tr><td>61</td><td>6</td><td><span class=low-hits>[-4] = color.red,</span></td></tr>
+<tr><td>62</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>63</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>64</td><td>6</td><td><span class=low-hits>local prefixes = {</span></td></tr>
+<tr><td>65</td><td>6</td><td><span class=low-hits>[4] = "T",</span></td></tr>
+<tr><td>66</td><td>6</td><td><span class=low-hits>[3] = "G",</span></td></tr>
+<tr><td>67</td><td>6</td><td><span class=low-hits>[2] = "M",</span></td></tr>
+<tr><td>68</td><td>6</td><td><span class=low-hits>[1] = "k",</span></td></tr>
+<tr><td>69</td><td>6</td><td><span class=low-hits>[0] = " ",</span></td></tr>
+<tr><td>70</td><td>6</td><td><span class=low-hits>[-1] = "m",</span></td></tr>
+<tr><td>71</td><td>6</td><td><span class=low-hits>[-2] = "u",</span></td></tr>
+<tr><td>72</td><td>6</td><td><span class=low-hits>[-3] = "n",</span></td></tr>
+<tr><td>73</td><td>6</td><td><span class=low-hits>[-4] = "p",</span></td></tr>
+<tr><td>74</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>75</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>76</td><td>6</td><td><span class=low-hits>local order = 0</span></td></tr>
+<tr><td>77</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>78</td><td>7</td><td><span class=low-hits>while value >= 1000 do</span></td></tr>
+<tr><td>79</td><td>1</td><td><span class=low-hits>order += 1</span></td></tr>
+<tr><td>80</td><td>1</td><td><span class=low-hits>value /= 1000</span></td></tr>
+<tr><td>81</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>82</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>83</td><td>11</td><td><span class=low-hits>while value ~= 0 and value < 1 do</span></td></tr>
+<tr><td>84</td><td>7</td><td><span class=low-hits>order -= 1</span></td></tr>
+<tr><td>85</td><td>7</td><td><span class=low-hits>value *= 1000</span></td></tr>
+<tr><td>86</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>87</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>88</td><td>6</td><td><span class=low-hits>if value >= 100 then</span></td></tr>
+<tr><td>89</td><td>1</td><td><span class=low-hits>value = math.floor(value)</span></td></tr>
+<tr><td>90</td><td>5</td><td><span class=low-hits>elseif value >= 10 then</span></td></tr>
+<tr><td>91</td><td>2</td><td><span class=low-hits>value = math.floor(value * 1e1) / 1e1</span></td></tr>
+<tr><td>92</td><td>3</td><td><span class=low-hits>elseif value >= 1 then</span></td></tr>
+<tr><td>93</td><td>1</td><td><span class=low-hits>value = math.floor(value * 1e2) / 1e2</span></td></tr>
+<tr><td>94</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>95</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>96</td><td>6</td><td><span class=low-hits>return value * sign, prefix_colors[order](prefixes[order] .. unit)</span></td></tr>
+<tr><td>97</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>98</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>99</td><td>1</td><td><span class=low-hits>local WALL = color.gray("│")</span></td></tr>
+<tr><td>100</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>101</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>102</td><td><span class='text-muted'>N/A</span></td><td>-- Testing</td>></tr>
+<tr><td>103</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>104</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>105</td><td>0</td><td><span class=zero-hits>type Test = {</span></td></tr>
+<tr><td>106</td><td>0</td><td><span class=zero-hits>name: string,</span></td></tr>
+<tr><td>107</td><td>0</td><td><span class=zero-hits>case: Case?,</span></td></tr>
+<tr><td>108</td><td>0</td><td><span class=zero-hits>cases: { Case },</span></td></tr>
+<tr><td>109</td><td>0</td><td><span class=zero-hits>duration: number,</span></td></tr>
+<tr><td>110</td><td>0</td><td><span class=zero-hits>error: {</span></td></tr>
+<tr><td>111</td><td>0</td><td><span class=zero-hits>message: string,</span></td></tr>
+<tr><td>112</td><td>0</td><td><span class=zero-hits>trace: string,</span></td></tr>
+<tr><td>113</td><td>0</td><td><span class=zero-hits>}?,</span></td></tr>
+<tr><td>114</td><td>0</td><td><span class=zero-hits>focus: boolean,</span></td></tr>
+<tr><td>115</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>116</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>117</td><td>0</td><td><span class=zero-hits>type Case = {</span></td></tr>
+<tr><td>118</td><td>0</td><td><span class=zero-hits>name: string,</span></td></tr>
+<tr><td>119</td><td>0</td><td><span class=zero-hits>result: number,</span></td></tr>
+<tr><td>120</td><td>0</td><td><span class=zero-hits>line: number?,</span></td></tr>
+<tr><td>121</td><td>0</td><td><span class=zero-hits>focus: boolean,</span></td></tr>
+<tr><td>122</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>123</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>124</td><td>1</td><td><span class=low-hits>local PASS, FAIL, NONE, ERROR, SKIPPED = 1, 2, 3, 4, 5</span></td></tr>
+<tr><td>125</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>126</td><td>1</td><td><span class=low-hits>local check_for_focused = false</span></td></tr>
+<tr><td>127</td><td>1</td><td><span class=low-hits>local skip = false</span></td></tr>
+<tr><td>128</td><td>1</td><td><span class=low-hits>local test: Test?</span></td></tr>
+<tr><td>129</td><td>1</td><td><span class=low-hits>local tests: { Test } = {}</span></td></tr>
+<tr><td>130</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>131</td><td>1</td><td><span class=low-hits>local function output_test_result(test: Test)</span></td></tr>
+<tr><td>132</td><td>24</td><td><span class=low-hits>if check_for_focused then</span></td></tr>
+<tr><td>133</td><td>0</td><td><span class=zero-hits>local any_focused = test.focus</span></td></tr>
+<tr><td>134</td><td>0</td><td><span class=zero-hits>for _, case in test.cases do</span></td></tr>
+<tr><td>135</td><td>0</td><td><span class=zero-hits>any_focused = any_focused or case.focus</span></td></tr>
+<tr><td>136</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>137</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>138</td><td>0</td><td><span class=zero-hits>if not any_focused then</span></td></tr>
+<tr><td>139</td><td>0</td><td><span class=zero-hits>return</span></td></tr>
+<tr><td>140</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>141</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>142</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>143</td><td>24</td><td><span class=low-hits>print(color.white(test.name))</span></td></tr>
+<tr><td>144</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>145</td><td>24</td><td><span class=low-hits>for _, case in test.cases do</span></td></tr>
+<tr><td>146</td><td>73</td><td><span class=low-hits>local status = ({</span></td></tr>
+<tr><td>147</td><td>73</td><td><span class=low-hits>[PASS] = color.green("PASS"),</span></td></tr>
+<tr><td>148</td><td>73</td><td><span class=low-hits>[FAIL] = color.red("FAIL"),</span></td></tr>
+<tr><td>149</td><td>73</td><td><span class=low-hits>[NONE] = color.orange("NONE"),</span></td></tr>
+<tr><td>150</td><td>73</td><td><span class=low-hits>[ERROR] = color.red("FAIL"),</span></td></tr>
+<tr><td>151</td><td>73</td><td><span class=low-hits>[SKIPPED] = color.yellow("SKIP"),</span></td></tr>
+<tr><td>152</td><td>73</td><td><span class=low-hits>})[case.result]</span></td></tr>
+<tr><td>153</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>154</td><td>73</td><td><span class=low-hits>local line = case.result == FAIL and color.red(`{case.line}:`) or ""</span></td></tr>
+<tr><td>155</td><td>73</td><td><span class=low-hits>if check_for_focused and case.focus == false and test.focus == false then</span></td></tr>
+<tr><td>156</td><td>0</td><td><span class=zero-hits>continue</span></td></tr>
+<tr><td>157</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>158</td><td>73</td><td><span class=low-hits>print(`{status}{WALL} {line}{color.gray(case.name)}`)</span></td></tr>
+<tr><td>159</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>160</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>161</td><td>24</td><td><span class=low-hits>if test.error then</span></td></tr>
+<tr><td>162</td><td>0</td><td><span class=zero-hits>print(color.gray("error: ") .. color.red(test.error.message))</span></td></tr>
+<tr><td>163</td><td>0</td><td><span class=zero-hits>print(color.gray("trace: ") .. color.red(test.error.trace))</span></td></tr>
+<tr><td>164</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>165</td><td>24</td><td><span class=low-hits>print()</span></td></tr>
+<tr><td>166</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>167</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>168</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>169</td><td>1</td><td><span class=low-hits>local function CASE(name: string)</span></td></tr>
+<tr><td>170</td><td>73</td><td><span class=low-hits>skip = false</span></td></tr>
+<tr><td>171</td><td>73</td><td><span class=low-hits>assert(test, "no active test")</span></td></tr>
+<tr><td>172</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>173</td><td>73</td><td><span class=low-hits>local case = {</span></td></tr>
+<tr><td>174</td><td>73</td><td><span class=low-hits>name = name,</span></td></tr>
+<tr><td>175</td><td>73</td><td><span class=low-hits>result = NONE,</span></td></tr>
+<tr><td>176</td><td>73</td><td><span class=low-hits>focus = false,</span></td></tr>
+<tr><td>177</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>178</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>179</td><td>73</td><td><span class=low-hits>test.case = case</span></td></tr>
+<tr><td>180</td><td>73</td><td><span class=low-hits>table.insert(test.cases, case)</span></td></tr>
+<tr><td>181</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>182</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>183</td><td>1</td><td><span class=low-hits>local function CHECK_EXPECT_ERR(fn, ...)</span></td></tr>
+<tr><td>184</td><td>9</td><td><span class=low-hits>assert(test, "no active test")</span></td></tr>
+<tr><td>185</td><td>9</td><td><span class=low-hits>local case = test.case</span></td></tr>
+<tr><td>186</td><td>9</td><td><span class=low-hits>if not case then</span></td></tr>
+<tr><td>187</td><td>0</td><td><span class=zero-hits>CASE("")</span></td></tr>
+<tr><td>188</td><td>0</td><td><span class=zero-hits>case = test.case</span></td></tr>
+<tr><td>189</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>190</td><td>9</td><td><span class=low-hits>assert(case, "no active case")</span></td></tr>
+<tr><td>191</td><td>9</td><td><span class=low-hits>if case.result ~= FAIL then</span></td></tr>
+<tr><td>192</td><td>9</td><td><span class=low-hits>local ok, err = pcall(fn, ...)</span></td></tr>
+<tr><td>193</td><td>9</td><td><span class=low-hits>case.result = if ok then FAIL else PASS</span></td></tr>
+<tr><td>194</td><td>9</td><td><span class=low-hits>if skip then</span></td></tr>
+<tr><td>195</td><td>0</td><td><span class=zero-hits>case.result = SKIPPED</span></td></tr>
+<tr><td>196</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>197</td><td>9</td><td><span class=low-hits>case.line = debug.info(stack and stack + 1 or 2, "l")</span></td></tr>
+<tr><td>198</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>199</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>200</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>201</td><td>1</td><td><span class=low-hits>local function CHECK<T>(value: T, stack: number?): T?</span></td></tr>
+<tr><td>202</td><td>1195</td><td><span class=high-hits>assert(test, "no active test")</span></td></tr>
+<tr><td>203</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>204</td><td>1195</td><td><span class=high-hits>local case = test.case</span></td></tr>
+<tr><td>205</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>206</td><td>1195</td><td><span class=high-hits>if not case then</span></td></tr>
+<tr><td>207</td><td>9</td><td><span class=low-hits>CASE("")</span></td></tr>
+<tr><td>208</td><td>9</td><td><span class=low-hits>case = test.case</span></td></tr>
+<tr><td>209</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>210</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>211</td><td>1195</td><td><span class=high-hits>assert(case, "no active case")</span></td></tr>
+<tr><td>212</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>213</td><td>1195</td><td><span class=high-hits>if case.result ~= FAIL then</span></td></tr>
+<tr><td>214</td><td>1195</td><td><span class=high-hits>case.result = value and PASS or FAIL</span></td></tr>
+<tr><td>215</td><td>1195</td><td><span class=high-hits>if skip then</span></td></tr>
+<tr><td>216</td><td>1</td><td><span class=low-hits>case.result = SKIPPED</span></td></tr>
+<tr><td>217</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>218</td><td>1195</td><td><span class=high-hits>case.line = debug.info(stack and stack + 1 or 2, "l")</span></td></tr>
+<tr><td>219</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>220</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>221</td><td>1195</td><td><span class=high-hits>return value</span></td></tr>
+<tr><td>222</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>223</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>224</td><td>1</td><td><span class=low-hits>local function TEST(name: string, fn: () -> ())</span></td></tr>
+<tr><td>225</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>226</td><td>24</td><td><span class=low-hits>test = {</span></td></tr>
+<tr><td>227</td><td>24</td><td><span class=low-hits>name = name,</span></td></tr>
+<tr><td>228</td><td>24</td><td><span class=low-hits>cases = {},</span></td></tr>
+<tr><td>229</td><td>24</td><td><span class=low-hits>duration = 0,</span></td></tr>
+<tr><td>230</td><td>24</td><td><span class=low-hits>focus = false,</span></td></tr>
+<tr><td>231</td><td>24</td><td><span class=low-hits>fn = fn</span></td></tr>
+<tr><td>232</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>233</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>234</td><td>24</td><td><span class=low-hits>table.insert(tests, test)</span></td></tr>
+<tr><td>235</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>236</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>237</td><td>1</td><td><span class=low-hits>local function FOCUS()</span></td></tr>
+<tr><td>238</td><td>0</td><td><span class=zero-hits>assert(test, "no active test")</span></td></tr>
+<tr><td>239</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>240</td><td>0</td><td><span class=zero-hits>check_for_focused = true</span></td></tr>
+<tr><td>241</td><td>0</td><td><span class=zero-hits>if test.case then</span></td></tr>
+<tr><td>242</td><td>0</td><td><span class=zero-hits>test.case.focus = true</span></td></tr>
+<tr><td>243</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>244</td><td>0</td><td><span class=zero-hits>test.focus = true</span></td></tr>
+<tr><td>245</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>246</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>247</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>248</td><td>1</td><td><span class=low-hits>local function FINISH(): boolean</span></td></tr>
+<tr><td>249</td><td>1</td><td><span class=low-hits>local success = true</span></td></tr>
+<tr><td>250</td><td>1</td><td><span class=low-hits>local total_cases = 0</span></td></tr>
+<tr><td>251</td><td>1</td><td><span class=low-hits>local passed_cases = 0</span></td></tr>
+<tr><td>252</td><td>1</td><td><span class=low-hits>local passed_focus_cases = 0</span></td></tr>
+<tr><td>253</td><td>1</td><td><span class=low-hits>local total_focus_cases = 0</span></td></tr>
+<tr><td>254</td><td>1</td><td><span class=low-hits>local duration = 0</span></td></tr>
+<tr><td>255</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>256</td><td>1</td><td><span class=low-hits>for _, t in tests do</span></td></tr>
+<tr><td>257</td><td>24</td><td><span class=low-hits>if check_for_focused and not t.focus then</span></td></tr>
+<tr><td>258</td><td>0</td><td><span class=zero-hits>continue</span></td></tr>
+<tr><td>259</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>260</td><td>24</td><td><span class=low-hits>test = t</span></td></tr>
+<tr><td>261</td><td>24</td><td><span class=low-hits>fn = t.fn</span></td></tr>
+<tr><td>262</td><td>24</td><td><span class=low-hits>local start = os.clock()</span></td></tr>
+<tr><td>263</td><td>24</td><td><span class=low-hits>local err</span></td></tr>
+<tr><td>264</td><td>24</td><td><span class=low-hits>local success = xpcall(fn, function(m: string)</span></td></tr>
+<tr><td>265</td><td>0</td><td><span class=zero-hits>err = { message = m, trace = debug.traceback(nil, 2) }</span></td></tr>
+<tr><td>266</td><td><span class='text-muted'>N/A</span></td><td>end)</td>></tr>
+<tr><td>267</td><td>24</td><td><span class=low-hits>test.duration = os.clock() - start</span></td></tr>
+<tr><td>268</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>269</td><td>24</td><td><span class=low-hits>if not test.case then</span></td></tr>
+<tr><td>270</td><td>0</td><td><span class=zero-hits>CASE("")</span></td></tr>
+<tr><td>271</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>272</td><td>24</td><td><span class=low-hits>assert(test.case, "no active case")</span></td></tr>
+<tr><td>273</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>274</td><td>24</td><td><span class=low-hits>if not success then</span></td></tr>
+<tr><td>275</td><td>0</td><td><span class=zero-hits>test.case.result = ERROR</span></td></tr>
+<tr><td>276</td><td>0</td><td><span class=zero-hits>test.error = err</span></td></tr>
+<tr><td>277</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>278</td><td>24</td><td><span class=low-hits>collectgarbage()</span></td></tr>
+<tr><td>279</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>280</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>281</td><td>1</td><td><span class=low-hits>for _, test in tests do</span></td></tr>
+<tr><td>282</td><td>24</td><td><span class=low-hits>duration += test.duration</span></td></tr>
+<tr><td>283</td><td>24</td><td><span class=low-hits>for _, case in test.cases do</span></td></tr>
+<tr><td>284</td><td>73</td><td><span class=low-hits>total_cases += 1</span></td></tr>
+<tr><td>285</td><td>73</td><td><span class=low-hits>if case.focus or test.focus then</span></td></tr>
+<tr><td>286</td><td>0</td><td><span class=zero-hits>total_focus_cases += 1</span></td></tr>
+<tr><td>287</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>288</td><td>73</td><td><span class=low-hits>if case.result == PASS or case.result == NONE or case.result == SKIPPED then</span></td></tr>
+<tr><td>289</td><td>73</td><td><span class=low-hits>if case.focus or test.focus then</span></td></tr>
+<tr><td>290</td><td>0</td><td><span class=zero-hits>passed_focus_cases += 1</span></td></tr>
+<tr><td>291</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>292</td><td>73</td><td><span class=low-hits>passed_cases += 1</span></td></tr>
+<tr><td>293</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>294</td><td>0</td><td><span class=zero-hits>success = false</span></td></tr>
+<tr><td>295</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>296</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>297</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>298</td><td>24</td><td><span class=low-hits>output_test_result(test)</span></td></tr>
+<tr><td>299</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>300</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>301</td><td>1</td><td><span class=low-hits>print(color.gray(string.format(`{passed_cases}/{total_cases} test cases passed in %.3f ms.`, duration * 1e3)))</span></td></tr>
+<tr><td>302</td><td>1</td><td><span class=low-hits>if check_for_focused then</span></td></tr>
+<tr><td>303</td><td>0</td><td><span class=zero-hits>print(color.gray(`{passed_focus_cases}/{total_focus_cases} focused test cases passed`))</span></td></tr>
+<tr><td>304</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>305</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>306</td><td>1</td><td><span class=low-hits>local fails = total_cases - passed_cases</span></td></tr>
+<tr><td>307</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>308</td><td>1</td><td><span class=low-hits>print((fails > 0 and color.red or color.green)(`{fails} {fails == 1 and "fail" or "fails"}`))</span></td></tr>
+<tr><td>309</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>310</td><td>1</td><td><span class=low-hits>check_for_focused = false</span></td></tr>
+<tr><td>311</td><td>1</td><td><span class=low-hits>return success, table.clear(tests)</span></td></tr>
+<tr><td>312</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>313</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>314</td><td>1</td><td><span class=low-hits>local function SKIP()</span></td></tr>
+<tr><td>315</td><td>1</td><td><span class=low-hits>skip = true</span></td></tr>
+<tr><td>316</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>317</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>318</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>319</td><td><span class='text-muted'>N/A</span></td><td>-- Benchmarking</td>></tr>
+<tr><td>320</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>321</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>322</td><td>0</td><td><span class=zero-hits>type Bench = {</span></td></tr>
+<tr><td>323</td><td>0</td><td><span class=zero-hits>time_start: number?,</span></td></tr>
+<tr><td>324</td><td>0</td><td><span class=zero-hits>memory_start: number?,</span></td></tr>
+<tr><td>325</td><td>0</td><td><span class=zero-hits>iterations: number?,</span></td></tr>
+<tr><td>326</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>327</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>328</td><td>1</td><td><span class=low-hits>local bench: Bench?</span></td></tr>
+<tr><td>329</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>330</td><td>1</td><td><span class=low-hits>function START(iter: number?): number</span></td></tr>
+<tr><td>331</td><td>1</td><td><span class=low-hits>local n = iter or 1</span></td></tr>
+<tr><td>332</td><td>1</td><td><span class=low-hits>assert(n > 0, "iterations must be greater than 0")</span></td></tr>
+<tr><td>333</td><td>1</td><td><span class=low-hits>assert(bench, "no active benchmark")</span></td></tr>
+<tr><td>334</td><td>1</td><td><span class=low-hits>assert(not bench.time_start, "clock was already started")</span></td></tr>
+<tr><td>335</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>336</td><td>1</td><td><span class=low-hits>bench.iterations = n</span></td></tr>
+<tr><td>337</td><td>1</td><td><span class=low-hits>bench.memory_start = gcinfo()</span></td></tr>
+<tr><td>338</td><td>1</td><td><span class=low-hits>bench.time_start = os.clock()</span></td></tr>
+<tr><td>339</td><td>1</td><td><span class=low-hits>return n</span></td></tr>
+<tr><td>340</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>341</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>342</td><td>1</td><td><span class=low-hits>local function BENCH(name: string, fn: () -> ())</span></td></tr>
+<tr><td>343</td><td>3</td><td><span class=low-hits>local active = bench</span></td></tr>
+<tr><td>344</td><td>3</td><td><span class=low-hits>assert(not active, "a benchmark is already in progress")</span></td></tr>
+<tr><td>345</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>346</td><td>3</td><td><span class=low-hits>bench = {}</span></td></tr>
+<tr><td>347</td><td>3</td><td><span class=low-hits>assert(bench);</span></td></tr>
+<tr><td>348</td><td>3</td><td><span class=low-hits>(collectgarbage :: any)("collect")</span></td></tr>
+<tr><td>349</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>350</td><td>3</td><td><span class=low-hits>local mem_start = gcinfo()</span></td></tr>
+<tr><td>351</td><td>3</td><td><span class=low-hits>local time_start = os.clock()</span></td></tr>
+<tr><td>352</td><td>3</td><td><span class=low-hits>local err_msg: string?</span></td></tr>
+<tr><td>353</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>354</td><td>3</td><td><span class=low-hits>local success = xpcall(fn, function(m: string)</span></td></tr>
+<tr><td>355</td><td>0</td><td><span class=zero-hits>err_msg = m .. debug.traceback(nil, 2)</span></td></tr>
+<tr><td>356</td><td><span class='text-muted'>N/A</span></td><td>end)</td>></tr>
+<tr><td>357</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>358</td><td>3</td><td><span class=low-hits>local time_stop = os.clock()</span></td></tr>
+<tr><td>359</td><td>3</td><td><span class=low-hits>local mem_stop = gcinfo()</span></td></tr>
+<tr><td>360</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>361</td><td>3</td><td><span class=low-hits>if not success then</span></td></tr>
+<tr><td>362</td><td>0</td><td><span class=zero-hits>print(`{WALL}{color.red("ERROR")}{WALL} {name}`)</span></td></tr>
+<tr><td>363</td><td>0</td><td><span class=zero-hits>print(color.gray(err_msg :: string))</span></td></tr>
+<tr><td>364</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>365</td><td>3</td><td><span class=low-hits>time_start = bench.time_start or time_start</span></td></tr>
+<tr><td>366</td><td>3</td><td><span class=low-hits>mem_start = bench.memory_start or mem_start</span></td></tr>
+<tr><td>367</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>368</td><td>3</td><td><span class=low-hits>local n = bench.iterations or 1</span></td></tr>
+<tr><td>369</td><td>3</td><td><span class=low-hits>local d, d_unit = convert_units("s", (time_stop - time_start) / n)</span></td></tr>
+<tr><td>370</td><td>3</td><td><span class=low-hits>local a, a_unit = convert_units("B", math.round((mem_stop - mem_start) / n * 1e3))</span></td></tr>
+<tr><td>371</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>372</td><td>3</td><td><span class=low-hits>local function round(x: number): string</span></td></tr>
+<tr><td>373</td><td>6</td><td><span class=low-hits>return x > 0 and x < 10 and (x - math.floor(x)) > 0 and string.format("%2.1f", x)</span></td></tr>
+<tr><td>374</td><td>6</td><td><span class=low-hits>or string.format("%3.f", x)</span></td></tr>
+<tr><td>375</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>376</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>377</td><td>3</td><td><span class=low-hits>print(</span></td></tr>
+<tr><td>378</td><td>3</td><td><span class=low-hits>string.format(</span></td></tr>
+<tr><td>379</td><td>3</td><td><span class=low-hits>`%s %s %s %s{WALL} %s`,</span></td></tr>
+<tr><td>380</td><td>3</td><td><span class=low-hits>color.gray(round(d)),</span></td></tr>
+<tr><td>381</td><td>3</td><td><span class=low-hits>d_unit,</span></td></tr>
+<tr><td>382</td><td>3</td><td><span class=low-hits>color.gray(round(a)),</span></td></tr>
+<tr><td>383</td><td>3</td><td><span class=low-hits>a_unit,</span></td></tr>
+<tr><td>384</td><td>3</td><td><span class=low-hits>color.gray(name)</span></td></tr>
+<tr><td>385</td><td>0</td><td><span class=zero-hits>)</span></td></tr>
+<tr><td>386</td><td>0</td><td><span class=zero-hits>)</span></td></tr>
+<tr><td>387</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>388</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>389</td><td>3</td><td><span class=low-hits>bench = nil</span></td></tr>
+<tr><td>390</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>391</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>392</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>393</td><td><span class='text-muted'>N/A</span></td><td>-- Printing</td>></tr>
+<tr><td>394</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>395</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>396</td><td>1</td><td><span class=low-hits>local function print2(v: unknown)</span></td></tr>
+<tr><td>397</td><td>0</td><td><span class=zero-hits>type Buffer = { n: number, [number]: string }</span></td></tr>
+<tr><td>398</td><td>0</td><td><span class=zero-hits>type Cyclic = { n: number, [{}]: number }</span></td></tr>
+<tr><td>399</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>400</td><td><span class='text-muted'>N/A</span></td><td>-- overkill concatenationless string buffer</td>></tr>
+<tr><td>401</td><td>0</td><td><span class=zero-hits>local function tos(value: any, stack: number, str: Buffer, cyclic: Cyclic)</span></td></tr>
+<tr><td>402</td><td>0</td><td><span class=zero-hits>local TAB = "    "</span></td></tr>
+<tr><td>403</td><td>0</td><td><span class=zero-hits>local indent = table.concat(table.create(stack, TAB))</span></td></tr>
+<tr><td>404</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>405</td><td>0</td><td><span class=zero-hits>if type(value) == "string" then</span></td></tr>
+<tr><td>406</td><td>0</td><td><span class=zero-hits>local n = str.n</span></td></tr>
+<tr><td>407</td><td>0</td><td><span class=zero-hits>str[n + 1] = "\""</span></td></tr>
+<tr><td>408</td><td>0</td><td><span class=zero-hits>str[n + 2] = value</span></td></tr>
+<tr><td>409</td><td>0</td><td><span class=zero-hits>str[n + 3] = "\""</span></td></tr>
+<tr><td>410</td><td>0</td><td><span class=zero-hits>str.n = n + 3</span></td></tr>
+<tr><td>411</td><td>0</td><td><span class=zero-hits>elseif type(value) ~= "table" then</span></td></tr>
+<tr><td>412</td><td>0</td><td><span class=zero-hits>local n = str.n</span></td></tr>
+<tr><td>413</td><td>0</td><td><span class=zero-hits>str[n + 1] = value == nil and "nil" or tostring(value)</span></td></tr>
+<tr><td>414</td><td>0</td><td><span class=zero-hits>str.n = n + 1</span></td></tr>
+<tr><td>415</td><td>0</td><td><span class=zero-hits>elseif next(value) == nil then</span></td></tr>
+<tr><td>416</td><td>0</td><td><span class=zero-hits>local n = str.n</span></td></tr>
+<tr><td>417</td><td>0</td><td><span class=zero-hits>str[n + 1] = "{}"</span></td></tr>
+<tr><td>418</td><td>0</td><td><span class=zero-hits>str.n = n + 1</span></td></tr>
+<tr><td>419</td><td>0</td><td><span class=zero-hits>else -- is table</span></td></tr>
+<tr><td>420</td><td>0</td><td><span class=zero-hits>local tabbed_indent = indent .. TAB</span></td></tr>
+<tr><td>421</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>422</td><td>0</td><td><span class=zero-hits>if cyclic[value] then</span></td></tr>
+<tr><td>423</td><td>0</td><td><span class=zero-hits>str.n += 1</span></td></tr>
+<tr><td>424</td><td>0</td><td><span class=zero-hits>str[str.n] = color.gray(`CYCLIC REF {cyclic[value]}`)</span></td></tr>
+<tr><td>425</td><td>0</td><td><span class=zero-hits>return</span></td></tr>
+<tr><td>426</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>427</td><td>0</td><td><span class=zero-hits>cyclic.n += 1</span></td></tr>
+<tr><td>428</td><td>0</td><td><span class=zero-hits>cyclic[value] = cyclic.n</span></td></tr>
+<tr><td>429</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>430</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>431</td><td>0</td><td><span class=zero-hits>str.n += 3</span></td></tr>
+<tr><td>432</td><td>0</td><td><span class=zero-hits>str[str.n - 2] = "{ "</span></td></tr>
+<tr><td>433</td><td>0</td><td><span class=zero-hits>str[str.n - 1] = color.gray(tostring(cyclic[value]))</span></td></tr>
+<tr><td>434</td><td>0</td><td><span class=zero-hits>str[str.n - 0] = "\n"</span></td></tr>
+<tr><td>435</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>436</td><td>0</td><td><span class=zero-hits>local i, v = next(value, nil)</span></td></tr>
+<tr><td>437</td><td>0</td><td><span class=zero-hits>while v ~= nil do</span></td></tr>
+<tr><td>438</td><td>0</td><td><span class=zero-hits>local n = str.n</span></td></tr>
+<tr><td>439</td><td>0</td><td><span class=zero-hits>str[n + 1] = tabbed_indent</span></td></tr>
+<tr><td>440</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>441</td><td>0</td><td><span class=zero-hits>if type(i) ~= "string" then</span></td></tr>
+<tr><td>442</td><td>0</td><td><span class=zero-hits>str[n + 2] = "["</span></td></tr>
+<tr><td>443</td><td>0</td><td><span class=zero-hits>str[n + 3] = tostring(i)</span></td></tr>
+<tr><td>444</td><td>0</td><td><span class=zero-hits>str[n + 4] = "]"</span></td></tr>
+<tr><td>445</td><td>0</td><td><span class=zero-hits>n += 4</span></td></tr>
+<tr><td>446</td><td>0</td><td><span class=zero-hits>else</span></td></tr>
+<tr><td>447</td><td>0</td><td><span class=zero-hits>str[n + 2] = tostring(i)</span></td></tr>
+<tr><td>448</td><td>0</td><td><span class=zero-hits>n += 2</span></td></tr>
+<tr><td>449</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>450</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>451</td><td>0</td><td><span class=zero-hits>str[n + 1] = " = "</span></td></tr>
+<tr><td>452</td><td>0</td><td><span class=zero-hits>str.n = n + 1</span></td></tr>
+<tr><td>453</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>454</td><td>0</td><td><span class=zero-hits>tos(v, stack + 1, str, cyclic)</span></td></tr>
+<tr><td>455</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>456</td><td>0</td><td><span class=zero-hits>i, v = next(value, i)</span></td></tr>
+<tr><td>457</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>458</td><td>0</td><td><span class=zero-hits>n = str.n</span></td></tr>
+<tr><td>459</td><td>0</td><td><span class=zero-hits>str[n + 1] = v ~= nil and ",\n" or "\n"</span></td></tr>
+<tr><td>460</td><td>0</td><td><span class=zero-hits>str.n = n + 1</span></td></tr>
+<tr><td>461</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>462</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>463</td><td>0</td><td><span class=zero-hits>local n = str.n</span></td></tr>
+<tr><td>464</td><td>0</td><td><span class=zero-hits>str[n + 1] = indent</span></td></tr>
+<tr><td>465</td><td>0</td><td><span class=zero-hits>str[n + 2] = "}"</span></td></tr>
+<tr><td>466</td><td>0</td><td><span class=zero-hits>str.n = n + 2</span></td></tr>
+<tr><td>467</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>468</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>469</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>470</td><td>0</td><td><span class=zero-hits>local str = { n = 0 }</span></td></tr>
+<tr><td>471</td><td>0</td><td><span class=zero-hits>local cyclic = { n = 0 }</span></td></tr>
+<tr><td>472</td><td>0</td><td><span class=zero-hits>tos(v, 0, str, cyclic)</span></td></tr>
+<tr><td>473</td><td>0</td><td><span class=zero-hits>print(table.concat(str))</span></td></tr>
+<tr><td>474</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>475</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>476</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>477</td><td><span class='text-muted'>N/A</span></td><td>-- Equality</td>></tr>
+<tr><td>478</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>479</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>480</td><td>1</td><td><span class=low-hits>local function shallow_eq(a: {}, b: {}): boolean</span></td></tr>
+<tr><td>481</td><td>0</td><td><span class=zero-hits>if #a ~= #b then</span></td></tr>
+<tr><td>482</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>483</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>484</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>485</td><td>0</td><td><span class=zero-hits>for i, v in next, a do</span></td></tr>
+<tr><td>486</td><td>0</td><td><span class=zero-hits>if b[i] ~= v then</span></td></tr>
+<tr><td>487</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>488</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>489</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>490</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>491</td><td>0</td><td><span class=zero-hits>for i, v in next, b do</span></td></tr>
+<tr><td>492</td><td>0</td><td><span class=zero-hits>if a[i] ~= v then</span></td></tr>
+<tr><td>493</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>494</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>495</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>496</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>497</td><td>0</td><td><span class=zero-hits>return true</span></td></tr>
+<tr><td>498</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>499</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>500</td><td>1</td><td><span class=low-hits>local function deep_eq(a: {}, b: {}): boolean</span></td></tr>
+<tr><td>501</td><td>0</td><td><span class=zero-hits>if #a ~= #b then</span></td></tr>
+<tr><td>502</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>503</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>504</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>505</td><td>0</td><td><span class=zero-hits>for i, v in next, a do</span></td></tr>
+<tr><td>506</td><td>0</td><td><span class=zero-hits>if type(b[i]) == "table" and type(v) == "table" then</span></td></tr>
+<tr><td>507</td><td>0</td><td><span class=zero-hits>if deep_eq(b[i], v) == false then</span></td></tr>
+<tr><td>508</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>509</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>510</td><td>0</td><td><span class=zero-hits>elseif b[i] ~= v then</span></td></tr>
+<tr><td>511</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>512</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>513</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>514</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>515</td><td>0</td><td><span class=zero-hits>for i, v in next, b do</span></td></tr>
+<tr><td>516</td><td>0</td><td><span class=zero-hits>if type(a[i]) == "table" and type(v) == "table" then</span></td></tr>
+<tr><td>517</td><td>0</td><td><span class=zero-hits>if deep_eq(a[i], v) == false then</span></td></tr>
+<tr><td>518</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>519</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>520</td><td>0</td><td><span class=zero-hits>elseif a[i] ~= v then</span></td></tr>
+<tr><td>521</td><td>0</td><td><span class=zero-hits>return false</span></td></tr>
+<tr><td>522</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>523</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>524</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>525</td><td>0</td><td><span class=zero-hits>return true</span></td></tr>
+<tr><td>526</td><td><span class='text-muted'>N/A</span></td><td>end</td>></tr>
+<tr><td>527</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>528</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>529</td><td><span class='text-muted'>N/A</span></td><td>-- Return</td>></tr>
+<tr><td>530</td><td><span class='text-muted'>N/A</span></td><td>--------------------------------------------------------------------------------</td>></tr>
+<tr><td>531</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>532</td><td>1</td><td><span class=low-hits>return {</span></td></tr>
+<tr><td>533</td><td>1</td><td><span class=low-hits>test = function()</span></td></tr>
+<tr><td>534</td><td>1</td><td><span class=low-hits>return {</span></td></tr>
+<tr><td>535</td><td>1</td><td><span class=low-hits>TEST = TEST,</span></td></tr>
+<tr><td>536</td><td>1</td><td><span class=low-hits>CASE = CASE,</span></td></tr>
+<tr><td>537</td><td>1</td><td><span class=low-hits>CHECK = CHECK,</span></td></tr>
+<tr><td>538</td><td>1</td><td><span class=low-hits>FINISH = FINISH,</span></td></tr>
+<tr><td>539</td><td>1</td><td><span class=low-hits>SKIP = SKIP,</span></td></tr>
+<tr><td>540</td><td>1</td><td><span class=low-hits>FOCUS = FOCUS,</span></td></tr>
+<tr><td>541</td><td>1</td><td><span class=low-hits>CHECK_EXPECT_ERR = CHECK_EXPECT_ERR,</span></td></tr>
+<tr><td>542</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+<tr><td>543</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>544</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>545</td><td>1</td><td><span class=low-hits>benchmark = function()</span></td></tr>
+<tr><td>546</td><td>1</td><td><span class=low-hits>return BENCH, START</span></td></tr>
+<tr><td>547</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>548</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>549</td><td>1</td><td><span class=low-hits>disable_formatting = function()</span></td></tr>
+<tr><td>550</td><td>0</td><td><span class=zero-hits>disable_ansi = true</span></td></tr>
+<tr><td>551</td><td><span class='text-muted'>N/A</span></td><td>end,</td>></tr>
+<tr><td>552</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>553</td><td>1</td><td><span class=low-hits>print = print2,</span></td></tr>
+<tr><td>554</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>555</td><td>1</td><td><span class=low-hits>seq = shallow_eq,</span></td></tr>
+<tr><td>556</td><td>1</td><td><span class=low-hits>deq = deep_eq,</span></td></tr>
+<tr><td>557</td><td><span class='text-muted'>N/A</span></td><td></td>></tr>
+<tr><td>558</td><td>1</td><td><span class=low-hits>color = color,</span></td></tr>
+<tr><td>559</td><td>0</td><td><span class=zero-hits>}</span></td></tr>
+</tbody></table></body></html>
--- a/coverage/tests.luau.html
+++ b/coverage/tests.luau.html
--- a/demo.rbxl
+++ b/demo.rbxl
--- a/jecs.luau
+++ b/jecs.luau
--- a/mirror.luau
+++ b/mirror.luau
--- a/mkdocs.yml
+++ b/mkdocs.yml
@ -1,186 +0,0 @@
-site_name: Jecs
-site_url: jecs.github.io/jecs
-repo_name: ukendio/jecs
-repo_url: https://github.com/ukendio/jecs
-
-extra:
-  version:
-    provider: mike
-
-theme:
-  name: material
-  custom_dir: docs/assets/overrides
-  logo: assets/logo
-  favicon: assets/logo-dark.svg
-  palette:
-    - media: "(prefers-color-scheme: dark)"
-      scheme: fusiondoc-dark
-      toggle:
-        icon: octicons/sun-24
-        title: Switch to light theme
-    - media: "(prefers-color-scheme: light)"
-      scheme: fusiondoc-light
-      toggle:
-        icon: octicons/moon-24
-        title: Switch to dark theme
-  font:
-    text: Plus Jakarta Sans
-    code: JetBrains Mono
-  features:
-    - navigation.tabs
-    - navigation.top
-    - navigation.sections
-    - navigation.instant
-    - navigation.indexes
-    - search.suggest
-    - search.highlight
-  icon:
-    repo: octicons/mark-github-16
-
-extra_css:
-  - assets/theme/fusiondoc.css
-  - assets/theme/colours.css
-  - assets/theme/code.css
-  - assets/theme/paragraph.css
-  - assets/theme/page.css
-  - assets/theme/admonition.css
-  - assets/theme/404.css
-  - assets/theme/api-reference.css
-  - assets/theme/dev-tools.css
-
-extra_javascript:
-  - assets/scripts/smooth-scroll.js
-
-nav:
-  - Home: index.md
-  - Tutorials:
-    - Get Started: tutorials/index.md
-    - Installing Fusion: tutorials/get-started/installing-fusion.md
-    - Developer Tools: tutorials/get-started/developer-tools.md
-    - Getting Help: tutorials/get-started/getting-help.md
-    - Fundamentals:
-      - Scopes: tutorials/fundamentals/scopes.md
-      - Values: tutorials/fundamentals/values.md
-      - Observers: tutorials/fundamentals/observers.md
-      - Computeds: tutorials/fundamentals/computeds.md
-    - Tables:
-      - ForValues: tutorials/tables/forvalues.md
-      - ForKeys: tutorials/tables/forkeys.md
-      - ForPairs: tutorials/tables/forpairs.md
-    - Animation:
-      - Tweens: tutorials/animation/tweens.md
-      - Springs: tutorials/animation/springs.md
-    - Roblox:
-      - Hydration: tutorials/roblox/hydration.md
-      - New Instances: tutorials/roblox/new-instances.md
-      - Parenting: tutorials/roblox/parenting.md
-      - Events: tutorials/roblox/events.md
-      - Change Events: tutorials/roblox/change-events.md
-      - Outputs: tutorials/roblox/outputs.md
-      - References: tutorials/roblox/references.md
-    - Best Practices:
-      - Components: tutorials/best-practices/components.md
-      - Instance Handling: tutorials/best-practices/instance-handling.md
-      - Callbacks: tutorials/best-practices/callbacks.md
-      - State: tutorials/best-practices/state.md
-      - Sharing Values: tutorials/best-practices/sharing-values.md
-      - Error Safety: tutorials/best-practices/error-safety.md
-      - Optimisation: tutorials/best-practices/optimisation.md
-    
-  - Examples:
-    - Home: examples/index.md
-    - Cookbook:
-      - examples/cookbook/index.md
-      - Player List: examples/cookbook/player-list.md
-      - Animated Computed: examples/cookbook/animated-computed.md
-      - Fetch Data From Server: examples/cookbook/fetch-data-from-server.md
-      - Light & Dark Theme: examples/cookbook/light-and-dark-theme.md
-      - Button Component: examples/cookbook/button-component.md
-      - Loading Spinner: examples/cookbook/loading-spinner.md
-      - Drag & Drop: examples/cookbook/drag-and-drop.md
-  - API Reference:
-    - api-reference/index.md
-    - General:
-      - Errors: api-reference/general/errors.md
-      - Types:
-        - Contextual: api-reference/general/types/contextual.md
-        - Version: api-reference/general/types/version.md
-      - Members:
-        - Contextual: api-reference/general/members/contextual.md
-        - Safe: api-reference/general/members/safe.md
-        - version: api-reference/general/members/version.md
-    - Memory:
-      - Types:
-        - Scope: api-reference/memory/types/scope.md
-        - ScopedObject: api-reference/memory/types/scopedobject.md
-        - Task: api-reference/memory/types/task.md
-      - Members:
-        - deriveScope: api-reference/memory/members/derivescope.md
-        - doCleanup: api-reference/memory/members/docleanup.md
-        - scoped: api-reference/memory/members/scoped.md
-    - State:
-      - Types:
-        - UsedAs: api-reference/state/types/usedas.md 
-        - Computed: api-reference/state/types/computed.md 
-        - Dependency: api-reference/state/types/dependency.md 
-        - Dependent: api-reference/state/types/dependent.md 
-        - For: api-reference/state/types/for.md 
-        - Observer: api-reference/state/types/observer.md 
-        - StateObject: api-reference/state/types/stateobject.md 
-        - Use: api-reference/state/types/use.md 
-        - Value: api-reference/state/types/value.md 
-      - Members:
-        - Computed: api-reference/state/members/computed.md
-        - ForKeys: api-reference/state/members/forkeys.md
-        - ForPairs: api-reference/state/members/forpairs.md
-        - ForValues: api-reference/state/members/forvalues.md
-        - Observer: api-reference/state/members/observer.md
-        - peek: api-reference/state/members/peek.md
-        - Value: api-reference/state/members/value.md
-    - Roblox:
-      - Types:
-        - Child: api-reference/roblox/types/child.md
-        - PropertyTable: api-reference/roblox/types/propertytable.md
-        - SpecialKey: api-reference/roblox/types/specialkey.md
-      - Members:
-        - Attribute: api-reference/roblox/members/attribute.md
-        - AttributeChange: api-reference/roblox/members/attributechange.md
-        - AttributeOut: api-reference/roblox/members/attributeout.md
-        - Children: api-reference/roblox/members/children.md
-        - Hydrate: api-reference/roblox/members/hydrate.md
-        - New: api-reference/roblox/members/new.md
-        - OnChange: api-reference/roblox/members/onchange.md
-        - OnEvent: api-reference/roblox/members/onevent.md
-        - Out: api-reference/roblox/members/out.md
-        - Ref: api-reference/roblox/members/ref.md
-    - Animation:
-      - Types:
-        - Animatable: api-reference/animation/types/animatable.md
-        - Spring: api-reference/animation/types/spring.md
-        - Tween: api-reference/animation/types/tween.md
-      - Members:
-        - Tween: api-reference/animation/members/tween.md
-        - Spring: api-reference/animation/members/spring.md
-  - Extras:
-    - Home: extras/index.md
-    - Backgrounds: extras/backgrounds.md
-    - Brand Guidelines: extras/brand-guidelines.md
-
-markdown_extensions:
-  - admonition
-  - attr_list
-  - meta
-  - md_in_html
-  - pymdownx.superfences
-  - pymdownx.betterem
-  - pymdownx.details
-  - pymdownx.tabbed:
-      alternate_style: true
-  - pymdownx.inlinehilite
-  - toc:
-      permalink: true
-  - pymdownx.highlight:
-      guess_lang: false
-  - pymdownx.emoji:
-      emoji_index: !!python/name:materialx.emoji.twemoji
-      emoji_generator: !!python/name:materialx.emoji.to_svg
--- a/package-lock.json
+++ b/package-lock.json
--- a/rokit.toml
+++ b/rokit.toml
@ -2,5 +2,4 @@
 wally = "upliftgames/wally@0.3.2"
 rojo = "rojo-rbx/rojo@7.4.4"
 stylua = "johnnymorganz/stylua@2.0.1"
-selene = "kampfkarren/selene@0.27.1"
 Blink = "1Axen/Blink@0.14.1"
--- a/selene.toml
+++ b/selene.toml
@ -1,4 +0,0 @@
-std = "roblox"
-
-[lints]
-global_usage = "allow"
--- a/test/devtools_test.luau
+++ b/test/devtools_test.luau
@ -5,21 +5,21 @@ local lifetime_tracker_add = require("@tools/lifetime_tracker")
 local pe = require("@tools/entity_visualiser").prettify
 local world = lifetime_tracker_add(jecs.world(), {padding_enabled=false})
 local FriendsWith = world:component()
-local _1 = world:print_snapshot()
+world:print_snapshot()
 local e1 = world:entity()
 local e2 = world:entity()
 world:delete(e2)

-local _2 = world:print_snapshot()
+world:print_snapshot()
 local e3 = world:entity()
 world:add(e3, pair(ChildOf, e1))
 local e4 = world:entity()
 world:add(e4, pair(FriendsWith, e3))
-local _3 = world:print_snapshot()
+world:print_snapshot()
 world:delete(e1)
 world:delete(e3)
-local _4 = world:print_snapshot()
+world:print_snapshot()
 world:print_entity_index()
 world:entity()
 world:entity()
-local _5 = world:print_snapshot()
+world:print_snapshot()
--- a/test/stress.project.json
+++ b/test/stress.project.json
--- a/test/tests.luau
+++ b/test/tests.luau
@ -117,6 +117,75 @@ local function name(world, e)
 	return world:get(e, jecs.Name)
 end

+TEST("#adding a recycled target", function()
+    local world = world_new()
+    local R = world:component()
+
+    local e = world:entity()
+    local T = world:entity()
+    world:add(e, pair(R, T))
+    world:delete(T)
+    CHECK(not world:has(e, pair(R, T)))
+    local T2 = world:entity()
+    world:add(e, pair(R, T2))
+    CHECK(world:target(e, R) ~= T)
+    CHECK(world:target(e, R) ~= 0)
+
+end)
+
+TEST("#repro2", function()
+	local world = world_new()
+	local Lifetime = world:component() :: jecs.Id<number>
+	local Particle = world:entity()
+	local Beam = world:entity()
+
+	local entity = world:entity()
+	world:set(entity, pair(Lifetime, Particle), 1)
+	world:set(entity, pair(Lifetime, Beam), 2)
+	world:set(entity, pair(4, 5), 6) -- noise
+
+	local entity_visualizer = require("@tools/entity_visualiser")
+	-- entity_visualizer.components(world, entity)
+
+	for e in world:each(pair(Lifetime, __)) do
+		local i = 0
+		local nth = world:target(e, Lifetime, i)
+		while nth do
+			-- entity_visualizer.components(world, e)
+
+			local data = world:get(e, pair(Lifetime, nth))
+			data -= 1
+		 	if data <= 0 then
+                world:remove(e, pair(Lifetime, nth))
+            else
+                world:set(e, pair(Lifetime, nth), data)
+            end
+			i += 1
+			nth = world:target(e, Lifetime, i)
+		end
+	end
+
+	CHECK(not world:has(entity, pair(Lifetime, Particle)))
+	CHECK(world:get(entity, pair(Lifetime, Beam)) == 1)
+end)
+
+local lifetime_tracker_add = require("@tools/lifetime_tracker")
+
+TEST("another", function()
+	local world = world_new()
+	-- world = lifetime_tracker_add(world, {padding_enabled=false})
+	local e1 = world:entity()
+	local e2 = world:entity()
+	local e3 = world:entity()
+	world:delete(e2)
+	local e2_e3 = pair(e2, e3)
+	CHECK(jecs.pair_first(world, e2_e3) == 0)
+	CHECK(jecs.pair_second(world, e2_e3) == e3)
+	CHECK_EXPECT_ERR(function()
+		world:add(e1, pair(e2, e3))
+	end)
+end)
+
 TEST("#repro", function()
 	local world = world_new()

@ -186,9 +255,9 @@ end)

 TEST("world:cleanup()", function()
 	local world = world_new()
-	local A = world:component()
-	local B = world:component()
-	local C = world:component()
+	local A = world:component() :: jecs.Id<boolean>
+	local B = world:component() :: jecs.Id<boolean>
+	local C = world:component() :: jecs.Id<boolean>

 	local e1 = world:entity()
 	local e2 = world:entity()
@ -299,7 +368,7 @@ TEST("world:entity()", function()

 	do CASE "Recycling max generation"
 		local world = world_new()
-		local pin = jecs.Rest::number + 1
+		local pin = (jecs.Rest :: any) :: number + 1
 		for i = 1, 2^16-1 do
 			local e = world:entity()
 			world:delete(e)
@ -513,21 +582,22 @@ TEST("world:query()", function()
 	do CASE "pairs"
 		local world = jecs.World.new()

-		local C1 = world:component()
-		local C2 = world:component()
+		local C1 = world:component() :: jecs.Id<boolean>
+		local C2 = world:component() :: jecs.Id<boolean>
 		local T1 = world:entity()
 		local T2 = world:entity()

 		local e = world:entity()

-		world:set(e, pair(C1, C2), true)
+		local C1_C2 = pair(C1, C2)
+		world:set(e, C1_C2, true)
 		world:set(e, pair(C1, T1), true)
 		world:set(e, pair(T1, C1), true)
 		CHECK_EXPECT_ERR(function()
 			world:set(e, pair(T1, T2), true :: any)
 		end)

-		for id, a, b, c, d in world:query(pair(C1, C2), pair(C1, T1), pair(T1, C1), pair(T1, T2)) :: any do
+		for id, a, b, c, d in world:query(pair(C1, C2), pair(C1, T1), pair(T1, C1), pair(T1, T2)):iter() do
 			CHECK(a == true)
 			CHECK(b == true)
 			CHECK(c == true)
@ -823,8 +893,9 @@ TEST("world:query()", function()
 		local bob = world:entity()

 		world:delete(Apples)
-
+		CHECK_EXPECT_ERR(function()
 			world:set(bob, pair(Eats, Apples), "bob eats apples")
+		end)
 	end

 	do
@ -871,10 +942,8 @@ TEST("world:query()", function()
 		CHECK(count == 2)
 	end

-	do
-		CASE("iterator invalidation")
-		do
-			CASE("adding")
+	do CASE("iterator invalidation")
+		do CASE("adding")
 			SKIP()
 			local world = jecs.World.new()
 			local A = world:component()
@ -896,8 +965,7 @@ TEST("world:query()", function()
 			CHECK(count == 2)
 		end

-		do
-			CASE("spawning")
+		do CASE("spawning")
 			local world = jecs.World.new()
 			local A = world:component()
 			local B = world:component()
@ -918,8 +986,7 @@ TEST("world:query()", function()
 		end
 	end

-	do
-		CASE("should not find any entities")
+	do CASE("should not find any entities")
 		local world = jecs.World.new()

 		local Hello = world:component()
@ -937,9 +1004,7 @@ TEST("world:query()", function()
 		CHECK(withoutCount == 0)
 	end

-	do
-		CASE("without")
-		do
+	do CASE("without")
 		-- REGRESSION TEST
 		local world = jecs.World.new()
 		local _1, _2, _3 = world:component(), world:component(), world:component()
@ -950,7 +1015,6 @@ TEST("world:query()", function()
 		end
 		CHECK(counter == 0)
 	end
-	end
 end)

 TEST("world:each", function()
@ -1019,73 +1083,106 @@ TEST("world:children", function()
 end)

 TEST("world:clear()", function()
-	do
-		CASE("should remove its components")
+	do CASE("should remove its components")
 		local world = jecs.World.new() :: World
 		local A = world:component()
 		local B = world:component()
+		local C = world:component()
+		local D = world:component()

 		local e = world:entity()
+		local e1 = world:entity()
+		local e2 = world:entity()

 		world:set(e, A, true)
 		world:set(e, B, true)

+		world:set(e1, A, true)
+		world:set(e1, B, true)
+
 		CHECK(world:get(e, A))
 		CHECK(world:get(e, B))

-		world:clear(e)
+		world:clear(A)
 		CHECK(world:get(e, A) == nil)
-		CHECK(world:get(e, B) == nil)
+		CHECK(world:get(e, B))
+		CHECK(world:get(e1, A) == nil)
+		CHECK(world:get(e1, B))
+	end
+
+	do CASE("remove cleared ID from entities")
+		local world = world_new()
+		local A = world:component()
+		local B = world:component()
+		local C = world:component()
+
+		do
+			local id1 = world:entity()
+			local id2 = world:entity()
+			local id3 = world:entity()
+
+			world:set(id1, A, true)
+
+			world:set(id2, A, true)
+			world:set(id2, B, true)
+
+			world:set(id3, A, true)
+			world:set(id3, B, true)
+			world:set(id3, C, true)
+
+			world:clear(A)
+
+			CHECK(not world:has(id1, A))
+			CHECK(not world:has(id2, A))
+			CHECK(not world:has(id3, A))
+
+			CHECK(world:has(id2, B))
+			CHECK(world:has(id3, B, C))
+
+			world:clear(C)
+
+			CHECK(world:has(id2, B))
+			CHECK(world:has(id3, B))
+
+			CHECK(world:contains(A))
+			CHECK(world:contains(C))
+			CHECK(world:has(A, jecs.Component))
+			CHECK(world:has(B, jecs.Component))
 		end

 		do
-		CASE("should move last record")
-		local world = world_new()
-		local A = world:component()
+			local id1 = world:entity()
+			local id2 = world:entity()
+			local id3 = world:entity()

-		local e = world:entity()
-		local e1 = world:entity()
+			local tgt = world:entity()

-		world:add(e, A)
-		world:add(e1, A)
+			world:add(id1, pair(A, tgt))
+			world:add(id1, pair(B, tgt))
+			world:add(id1, pair(C, tgt))

-		local archetype = world.archetype_index["1"]
-		local archetype_entities = archetype.entities
+			world:add(id2, pair(A, tgt))
+			world:add(id2, pair(B, tgt))
+			world:add(id2, pair(C, tgt))

-		local _e = e :: number
-		local _e1 = e1 :: number
+			world:add(id3, pair(A, tgt))
+			world:add(id3, pair(B, tgt))
+			world:add(id3, pair(C, tgt))

-		CHECK(archetype_entities[1] == _e)
-		CHECK(archetype_entities[2] == _e1)
+			world:clear(B)
+			CHECK(world:has(id1, pair(A, tgt), pair(C, tgt)))
+			CHECK(not world:has(id1, pair(B, tgt)))
+			CHECK(world:has(id2, pair(A, tgt), pair(C, tgt)))
+			CHECK(not world:has(id1, pair(B, tgt)))
+			CHECK(world:has(id3, pair(A, tgt), pair(C, tgt)))

-		local e_record: jecs.Record = entity_index_try_get_any(
-			world.entity_index, e) :: any
-		local e1_record: jecs.Record = entity_index_try_get_any(
-			world.entity_index, e1) :: any
-		CHECK(e_record.archetype == archetype)
-		CHECK(e1_record.archetype == archetype)
-		CHECK(e1_record.row == 2)
+		end

-		world:clear(e)
-
-		CHECK((e_record.archetype :: jecs.Archetype?) == nil)
-		CHECK((e_record.row :: number?) == nil)
-		CHECK(e1_record.archetype == archetype)
-		CHECK(e1_record.row == 1)
-
-		CHECK(archetype_entities[1] == _e1)
-		CHECK(archetype_entities[2] == nil)
-
-		CHECK(world:contains(e) == true)
-		CHECK(world:has(e, A) == false)
-		CHECK(world:contains(e1) == true)
-		CHECK(world:has(e1, A) == true)
 	end
 end)

 TEST("world:has()", function()
-	do
-		CASE("should find Tag on entity")
+	do CASE("should find Tag on entity")
 		local world = jecs.World.new()

 		local Tag = world:entity()
@ -1096,8 +1193,7 @@ TEST("world:has()", function()
 		CHECK(world:has(e, Tag))
 	end

-	do
-		CASE("should return false when missing one tag")
+	do CASE("should return false when missing one tag")
 		local world = jecs.World.new()

 		local A = world:entity()
@ -1115,8 +1211,7 @@ TEST("world:has()", function()
 end)

 TEST("world:component()", function()
-	do
-		CASE("only components should have EcsComponent trait")
+	do CASE("only components should have EcsComponent trait")
 		local world = jecs.World.new() :: World
 		local A = world:component()
 		local e = world:entity()
@ -1196,8 +1291,7 @@ TEST("world:delete", function()
 		CHECK(not world:contains(tag))
 		CHECK(not world:has(entity, tag)) -- => true
 	end
-	do
-		CASE("should allow deleting components")
+	do CASE("should allow deleting components")
 		local world = jecs.World.new()

 		local Health = world:component()
@ -1219,8 +1313,7 @@ TEST("world:delete", function()
 		CHECK(world:get(id1, Health) == 50)
 	end

-	do
-		CASE("delete entities using another Entity as component with Delete cleanup action")
+	do CASE("delete entities using another Entity as component with Delete cleanup action")
 		local world = jecs.World.new()

 		local Health = world:entity()
@ -1253,8 +1346,8 @@ TEST("world:delete", function()
 		CHECK(not world:has(id1, Health))
 	end

-	do
-		CASE("delete children")
+
+	do CASE("delete children")
 		local world = jecs.World.new()

 		local Health = world:component()
@ -1307,6 +1400,100 @@ TEST("world:delete", function()
 		end
 	end

+	do CASE("remove deleted ID from entities")
+		local world = world_new()
+		do
+			local A = world:component()
+			local B = world:component()
+			local C = world:component()
+			local id1 = world:entity()
+			local id2 = world:entity()
+			local id3 = world:entity()
+
+			world:set(id1, A, true)
+
+			world:set(id2, A, true)
+			world:set(id2, B, true)
+
+			world:set(id3, A, true)
+			world:set(id3, B, true)
+			world:set(id3, C, true)
+
+			world:delete(A)
+
+			CHECK(not world:has(id1, A))
+			CHECK(not world:has(id2, A))
+			CHECK(not world:has(id3, A))
+
+			CHECK(world:has(id2, B))
+			CHECK(world:has(id3, B, C))
+
+			world:delete(C)
+
+			CHECK(world:has(id2, B))
+			CHECK(world:has(id3, B))
+
+			CHECK(not world:contains(A))
+			CHECK(not world:contains(C))
+		end
+
+		do
+			local A = world:component()
+			world:add(A, pair(jecs.OnDeleteTarget, jecs.Delete))
+			local B = world:component()
+			local C = world:component()
+			world:add(C, pair(jecs.OnDeleteTarget, jecs.Delete))
+
+			local id1 = world:entity()
+			local id2 = world:entity()
+			local id3 = world:entity()
+
+			world:set(id1, C, true)
+
+			world:set(id2, pair(A, id1), true)
+			world:set(id2, B, true)
+
+			world:set(id3, B, true)
+			world:set(id3, pair(C, id2), true)
+
+			world:delete(id1)
+
+			CHECK(not world:contains(id1))
+			CHECK(not world:contains(id2))
+			CHECK(not world:contains(id3))
+		end
+
+
+		do
+			local A = world:component()
+			local B = world:component()
+			local C = world:component()
+			local id1 = world:entity()
+			local id2 = world:entity()
+			local id3 = world:entity()
+
+
+			world:set(id2, A, true)
+			world:set(id2, pair(B, id1), true)
+
+			world:set(id3, A, true)
+			world:set(id3, pair(B, id1), true)
+			world:set(id3, C, true)
+
+			world:delete(id1)
+
+			CHECK(not world:contains(id1))
+			CHECK(world:contains(id2))
+			CHECK(world:contains(id3))
+
+			CHECK(world:has(id2, A))
+			CHECK(world:has(id3, A, C))
+
+			CHECK(not world:target(id2, B))
+			CHECK(not world:target(id3, B))
+		end
+	end
+
 	do
 		CASE("fast delete")
 		local world = jecs.World.new()
@ -1394,24 +1581,10 @@ TEST("world:target", function()
 		CHECK(world:target(e, C, 0) == D)
 		CHECK(world:target(e, C, 1) == nil)

-		-- for id in archetype.records do
-		-- 	local f = world:get(ecs_pair_first(world, id), jecs.Name)
-		-- 	local s = world:get(ecs_pair_second(world, id), jecs.Name)
-		-- 	print(`({f}, {s})`)
-		-- end
-		--
-
 		CHECK(archetype.records[pair(A, B)] == 1)
 		CHECK(archetype.records[pair(A, C)] == 2)
 		CHECK(archetype.records[pair(A, D)] == 3)
 		CHECK(archetype.records[pair(A, E)] == 4)
-		-- print("(A, B)", archetype.records[pair(A, B)])
-		-- print("(A, C)", archetype.records[pair(A, C)])
-		-- print("(A, D)", archetype.records[pair(A, D)])
-		-- print("(A, E)", archetype.records[pair(A, E)])
-
-		-- print(pair(A, D), pair(B, C))
-		-- print("(B, C)", archetype.records[pair(B, C)])

 		CHECK(world:target(e, C, 0) == D)
 		CHECK(world:target(e, C, 1) == nil)
--- a/testez.d.luau
+++ b/testez.d.luau
@ -1,24 +0,0 @@
-declare function afterAll(callback: () -> ()): ()
-declare function afterEach(callback: () -> ()): ()
-
-declare function beforeAll(callback: () -> ()): ()
-declare function beforeEach(callback: () -> ()): ()
-
-declare function describe(phrase: string, callback: () -> ()): ()
-declare function describeFOCUS(phrase: string, callback: () -> ()): ()
-declare function fdescribe(phrase: string, callback: () -> ()): ()
-declare function describeSKIP(phrase: string, callback: () -> ()): ()
-declare function xdescribe(phrase: string, callback: () -> ()): ()
-
-declare function expect(value: any): any
-
-declare function FIXME(optionalMessage: string?): ()
-declare function FOCUS(): ()
-declare function SKIP(): ()
-
-declare function it(phrase: string, callback: () -> ()): ()
-declare function itFOCUS(phrase: string, callback: () -> ()): ()
-declare function fit(phrase: string, callback: () -> ()): ()
-declare function itSKIP(phrase: string, callback: () -> ()): ()
-declare function xit(phrase: string, callback: () -> ()): ()
-declare function itFIXME(phrase: string, callback: () -> ()): ()
--- a/tools/lifetime_tracker.luau
+++ b/tools/lifetime_tracker.luau
@ -169,7 +169,6 @@ local function lifetime_tracker_add(world: jecs.World, opt)
 			print(`*added ({pe(relation)}, {pe(target)}) to {pe(entity)}`)
 			pad()
 		end
-
 	end

 	local world_delete = world.delete
@ -199,7 +198,9 @@ local function lifetime_tracker_add(world: jecs.World, opt)
 						break
 					else
 						for _, entity in archetype.entities do
-							print(`*removed dependency ({pe(jecs.pair_first(world, id))}, {pe(object)}) from {pe(entity)}`)
+							print(
+								`*removed dependency ({pe(jecs.pair_first(world, id))}, {pe(object)}) from {pe(entity)}`
+							)
 						end
 					end
 				end
--- a/tools/read_lcov.py
+++ b/tools/read_lcov.py
@ -0,0 +1,153 @@
+import os
+
+LCOV_FILE = "coverage.out"
+OUTPUT_DIR = "coverage"
+
+os.makedirs(OUTPUT_DIR, exist_ok=True)
+
+def parse_lcov(content):
+    """Parses LCOV data from a single string."""
+    files = {}
+    current_file = None
+
+    for line in content.splitlines():
+        if line.startswith("SF:"):
+            current_file = line[3:].strip()
+            files[current_file] = {"coverage": {}, "functions": []}
+        elif line.startswith("DA:") and current_file:
+            parts = line[3:].split(",")
+            line_num = int(parts[0])
+            execution_count = int(parts[1])
+            files[current_file]["coverage"][line_num] = execution_count
+        elif line.startswith("FN:") and current_file:
+            parts = line[3:].split(",")
+            line_num = int(parts[0])
+            function_name = parts[1].strip()
+            files[current_file]["functions"].append({"name": function_name, "line": line_num, "hits": 0})
+        elif line.startswith("FNDA:") and current_file:
+            parts = line[5:].split(",")
+            hit_count = int(parts[0])
+            function_name = parts[1].strip()
+            for func in files[current_file]["functions"]:
+                if func["name"] == function_name:
+                    func["hits"] = hit_count
+                    break
+
+    return files
+
+def read_source_file(filepath):
+    """Reads source file content if available."""
+    if not os.path.exists(filepath):
+        return []
+
+    with open(filepath, "r", encoding="utf-8") as f:
+        return f.readlines()
+
+def generate_file_html(filepath, coverage_data, functions_data):
+    """Generates an HTML file for a specific source file."""
+    filename = os.path.basename(filepath)
+    source_code = read_source_file(filepath)
+    html_path = os.path.join(OUTPUT_DIR, f"{filename}.html")
+
+    total_hits = sum(func["hits"] for func in functions_data)
+    max_hits = max((func["hits"] for func in functions_data), default=0)
+
+    total_functions = len(functions_data)
+    covered_functions = sum(1 for func in functions_data if func["hits"] > 0)
+    function_coverage_percent = (covered_functions / total_functions * 100) if total_functions > 0 else 0
+
+    lines = [
+        "<html><head>",
+        '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">',
+        '<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>',
+        "<style>",
+        "body { font-family: monospace; text-align: center; }",
+        "#funcTable table { margin: 0 auto; width: auto; max-width: 300px; font-size: 14px; border-collapse: collapse; }",
+        "#funcTable th, #funcTable td { padding: 2px 6px; text-align: left; white-space: nowrap; }",
+        "#funcTable th { background-color: #ddd; }",
+        "#funcTable td:nth-child(2) { text-align: right; min-width: 50px; }",
+        ".zero-hits { background-color: #fcc; font-weight: bold; color: red; }",
+        ".nonzero-hits { color: green; font-weight: bold; }",
+        ".low-hits { background-color: #ffe6b3; }",
+        ".high-hits { background-color: #cfc; }",
+        ".source-code-table { margin-left: 10px; }"
+        "th, td { padding: 0px; font-size: 12px; }",
+        "table.table { font-size: 14px; border-collapse: collapse; }",
+        "table.table th, table.table td { padding: 1px; font-size: 12px; line-height: 1.2; }",
+        "table.table tr { height: auto; }",
+        "</style></head><body>",
+        f'<h1 class="text-center">{filename} Coverage</h1>',
+        f'<h2>Total Execution Hits: {total_hits}</h2>',
+        f'<h2>Function Coverage Overview: {function_coverage_percent:.2f}%</h2>',
+
+        '<button class="btn btn-primary mb-2" type="button" data-bs-toggle="collapse" data-bs-target="#funcTable">'
+        'Toggle Function Coverage</button>',
+
+        '<div class="collapse show" id="funcTable">',
+        '<h2>Function Coverage:</h2><table class="table table-bordered"><thead><tr><th>Function</th><th>Hits</th></tr></thead><tbody>'
+    ]
+
+    longest_name = max((len(func["name"]) for func in functions_data), default=0)
+
+    for func in functions_data:
+        hit_color = "red" if func["hits"] == 0 else "green"
+        lines.append(
+            f'<tr><td style="padding: 1px; min-width: {longest_name}ch;">{func["name"]}</td>'
+            f'<td style="padding: 1px; color: {hit_color}; font-weight: bold;">{func["hits"]}</td></tr>'
+        )
+
+    lines.append('</tbody></table></div>')  # Close collapsible div
+
+    lines.append('<h2>Source Code:</h2><table class="table table-bordered source-code-table "><thead><tr><th>Line</th><th>Hits</th><th>Code</th></tr></thead><tbody>')
+
+    for i, line in enumerate(source_code, start=1):
+        stripped_line = line.strip()
+        class_name = "text-muted"
+        if not stripped_line or stripped_line.startswith("end") or stripped_line.startswith("--"):
+            count_display = "<span class='text-muted'>N/A</span>"
+            lines.append(f'<tr><td>{i}</td><td>{count_display}</td><td>{line.strip()}</td>></tr>')
+        else:
+            count = coverage_data.get(i, 0)
+            class_name = "zero-hits" if count == 0 else "low-hits" if count < max_hits * 0.3 else "high-hits"
+            count_display = f'{count}'
+            marked_text = f'<span class={class_name}>{line.strip()}</span>'
+            lines.append(f'<tr><td>{i}</td><td>{count_display}</td><td>{marked_text}</td></tr>')
+
+    lines.append("</tbody></table></body></html>")
+
+    with open(html_path, "w", encoding="utf-8") as f:
+        f.write("\n".join(lines))
+
+def generate_index(files):
+    """Generates an index.html summarizing the coverage."""
+    index_html = [
+        "<html><head>",
+        '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.0/css/bootstrap.min.css">',
+        "</head><body>",
+        '<h1 class="text-center">Coverage Report</h1>',
+        '<table class="table table-striped table-bordered"><thead><tr><th>File</th><th>Total Hits</th><th>Functions</th></tr></thead><tbody>'
+    ]
+
+    for filepath, data in files.items():
+        filename = os.path.basename(filepath)
+        total_hits = sum(func["hits"] for func in data["functions"])
+        total_functions = len(data["functions"])
+
+        index_html.append(f'<tr><td><a href="{filename}.html">{filename}</a></td><td>{total_hits}</td><td>{total_functions}</td></tr>')
+
+    index_html.append("</tbody></table></body></html>")
+
+    with open(os.path.join(OUTPUT_DIR, "index.html"), "w", encoding="utf-8") as f:
+        f.write("\n".join(index_html))
+
+with open(LCOV_FILE, "r", encoding="utf-8") as f:
+    lcov_content = f.read()
+
+files_data = parse_lcov(lcov_content)
+
+for file_path, data in files_data.items():
+    generate_file_html(file_path, data["coverage"], data["functions"])
+
+generate_index(files_data)
+
+print(f"Coverage report generated in {OUTPUT_DIR}/index.html")
--- a/tools/runtime_lints.luau
+++ b/tools/runtime_lints.luau
@ -0,0 +1,108 @@
+local function dbg_info(n: number): any
+	return debug.info(n, "s")
+end
+local function throw(msg: string)
+	local s = 1
+	local root = dbg_info(1)
+	repeat
+		s += 1
+	until dbg_info(s) ~= root
+	if warn then
+		error(msg, s)
+	else
+		print(`[jecs] error: {msg}\n`)
+	end
+end
+
+local function ASSERT<T>(v: T, msg: string)
+	if v then
+		return
+	end
+	throw(msg)
+end
+
+local function runtime_lints_add(world)
+	local function get_name(id)
+		return world_get_one_inline(world, id, EcsName)
+	end
+
+	local function bname(id): string
+		local name: string
+		if ECS_IS_PAIR(id) then
+			local first = get_name(world, ecs_pair_first(world, id))
+			local second = get_name(world, ecs_pair_second(world, id))
+			name = `pair({first}, {second})`
+		else
+			return get_name(world, id)
+		end
+		if name then
+			return name
+		else
+			return `${id}`
+		end
+	end
+
+	local function ID_IS_TAG(world: World, id)
+		if ECS_IS_PAIR(id) then
+			id = ecs_pair_first(world, id)
+		end
+		return not world_has_one_inline(world, id, EcsComponent)
+	end
+
+	World.query = function(world: World, ...)
+		ASSERT((...), "Requires at least a single component")
+		return world_query(world, ...)
+	end
+
+	World.set = function(world: World, entity: i53, id: i53, value: any): ()
+		local is_tag = ID_IS_TAG(world, id)
+		if is_tag and value == nil then
+			local _1 = bname(world, entity)
+			local _2 = bname(world, id)
+			local why = "cannot set component value to nil"
+			throw(why)
+			return
+		elseif value ~= nil and is_tag then
+			local _1 = bname(world, entity)
+			local _2 = bname(world, id)
+			local why = `cannot set a component value because {_2} is a tag`
+			why ..= `\n[jecs] note: consider using "world:add({_1}, {_2})" instead`
+			throw(why)
+			return
+		end
+
+		world_set(world, entity, id, value)
+	end
+
+	World.add = function(world: World, entity: i53, id: i53, value: any)
+		if value ~= nil then
+			local _1 = bname(world, entity)
+			local _2 = bname(world, id)
+			throw("You provided a value when none was expected. " .. `Did you mean to use "world:add({_1}, {_2})"`)
+		end
+
+		world_add(world, entity, id)
+	end
+
+	World.get = function(world: World, entity: i53, ...)
+		local length = select("#", ...)
+		ASSERT(length < 5, "world:get does not support more than 4 components")
+		local _1
+		for i = 1, length do
+			local id = select(i, ...)
+			local id_is_tag = not world_has(world, id, EcsComponent)
+			if id_is_tag then
+				local name = get_name(world, id)
+				if not _1 then
+					_1 = get_name(world, entity)
+				end
+				throw(
+					`cannot get (#{i}) component {name} value because it is a tag.`
+						.. `\n[jecs] note: If this was intentional, use "world:has({_1}, {name}) instead"`
+				)
+			end
+		end
+
+		return world_get(world, entity, ...)
+	end
+end
--- a/tools/testkit.luau
+++ b/tools/testkit.luau
@ -222,37 +222,16 @@ local function CHECK<T>(value: T, stack: number?): T?
 end

 local function TEST(name: string, fn: () -> ())
-	local active = test
-	assert(not active, "cannot start test while another test is in progress")

 	test = {
 		name = name,
 		cases = {},
 		duration = 0,
 		focus = false,
+		fn = fn
 	}
-	assert(test)

 	table.insert(tests, test)
-
-	local start = os.clock()
-	local err
-	local success = xpcall(fn, function(m: string)
-		err = { message = m, trace = debug.traceback(nil, 2) }
-	end)
-	test.duration = os.clock() - start
-
-	if not test.case then
-		CASE("")
-	end
-	assert(test.case, "no active case")
-
-	if not success then
-		test.case.result = ERROR
-		test.error = err
-	end
-
-	test = nil
 end

 local function FOCUS()
@ -274,6 +253,31 @@ local function FINISH(): boolean
 	local total_focus_cases = 0
 	local duration = 0

+	for _, t in tests do
+		if check_for_focused and not t.focus then
+			continue
+		end
+		test = t
+		fn = t.fn
+		local start = os.clock()
+		local err
+		local success = xpcall(fn, function(m: string)
+			err = { message = m, trace = debug.traceback(nil, 2) }
+		end)
+		test.duration = os.clock() - start
+
+		if not test.case then
+			CASE("")
+		end
+		assert(test.case, "no active case")
+
+		if not success then
+			test.case.result = ERROR
+			test.error = err
+		end
+		collectgarbage()
+	end
+
 	for _, test in tests do
 		duration += test.duration
 		for _, case in test.cases do
@ -534,7 +538,7 @@ return {
 			FINISH = FINISH,
 			SKIP = SKIP,
 			FOCUS = FOCUS,
-			CHECK_EXPECT_ERR = CHECK_EXPECT_ERR
+			CHECK_EXPECT_ERR = CHECK_EXPECT_ERR,
 		}
 	end,
Author	SHA1	Message	Date
Ajay	f90b66758b	Merge `918231a1ad` into `9800355131`	2025-03-28 20:34:12 -04:00
Ukendio	9800355131	Styling on coverage reports Some checks failed analysis / Run Luau Analyze (push) Has been cancelled Details deploy-docs / build (push) Has been cancelled Details publish-npm / publish (push) Has been cancelled Details unit-testing / Run Luau Tests (push) Has been cancelled Details deploy-docs / Deploy (push) Has been cancelled Details	2025-03-28 02:29:55 +01:00
Ukendio	dd9db448e3	New coverage reports	2025-03-28 01:53:19 +01:00
Ukendio	34777b51c4	Fix typos	2025-03-28 01:52:33 +01:00
Ukendio	4eb15bbb55	Update removal functions to handle more variants	2025-03-27 21:49:44 +01:00
Ukendio	b81bd6eea8	Make tests lazily evaluated	2025-03-27 17:37:36 +01:00
Ukendio	e6039caaaf	Revert mirror back to pinned version Some checks are pending analysis / Run Luau Analyze (push) Waiting to run Details deploy-docs / build (push) Waiting to run Details deploy-docs / Deploy (push) Blocked by required conditions Details publish-npm / publish (push) Waiting to run Details unit-testing / Run Luau Tests (push) Waiting to run Details	2025-03-27 06:33:41 +01:00
Ukendio	5aec94cb5f	Remove file Some checks are pending analysis / Run Luau Analyze (push) Waiting to run Details deploy-docs / build (push) Waiting to run Details deploy-docs / Deploy (push) Blocked by required conditions Details publish-npm / publish (push) Waiting to run Details unit-testing / Run Luau Tests (push) Waiting to run Details	2025-03-27 05:08:55 +01:00
Ukendio	75f2584bf4	Clear ID will remove ID from all entities	2025-03-27 05:08:38 +01:00
Ukendio	4d6c2ccbb8	Change generic to unknown	2025-03-27 04:17:23 +01:00
Ukendio	bf33748ecf	Exclude html coverage reports from language stats	2025-03-27 04:09:09 +01:00
Ukendio	324f0fa9a2	Add html files to coverage folder	2025-03-27 03:55:43 +01:00
Ukendio	1561e446b8	Add html files to coverage folder	2025-03-27 03:55:16 +01:00
Ukendio	9a22b38bb3	Reorganize repo	2025-03-27 02:33:38 +01:00
unknown	58e67eda0d	Target should return the entity with its generation Some checks are pending analysis / Run Luau Analyze (push) Waiting to run Details deploy-docs / build (push) Waiting to run Details deploy-docs / Deploy (push) Blocked by required conditions Details publish-npm / publish (push) Waiting to run Details unit-testing / Run Luau Tests (push) Waiting to run Details	2025-03-26 14:23:54 +01:00
Ukendio	045408af37	Rollback types Some checks are pending analysis / Run Luau Analyze (push) Waiting to run Details deploy-docs / build (push) Waiting to run Details deploy-docs / Deploy (push) Blocked by required conditions Details publish-npm / publish (push) Waiting to run Details unit-testing / Run Luau Tests (push) Waiting to run Details	2025-03-26 04:59:11 +01:00
Ukendio	59e7fd1f41	Fix nth count for target	2025-03-26 03:39:04 +01:00
Ukendio	f3befa3adb	Add dual types	2025-03-25 23:13:53 +01:00
aybanda	918231a1ad	Start work on #50	2025-02-19 16:36:07 +05:30