[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

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mofeiZ merged 1 commit into
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pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
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pr31579

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@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
mainfrom
pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

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@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
mainfrom
pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

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@mofeiZ

@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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vercelBot commented Nov 19, 2024

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NameStatusPreviewCommentsUpdated (UTC)
react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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ContributorAuthor

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
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pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

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@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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NameStatusPreviewCommentsUpdated (UTC)
react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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ContributorAuthor

Choose a reason for hiding this comment

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
mainfrom
pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

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@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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vercelBot commented Nov 19, 2024

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NameStatusPreviewCommentsUpdated (UTC)
react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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ContributorAuthor

Choose a reason for hiding this comment

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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4 participants

@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

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mofeiZ merged 1 commit into
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pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
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pr31579

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@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

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react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
mainfrom
pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

Conversation

@mofeiZ

@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

@vercel

vercelBot commented Nov 19, 2024

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NameStatusPreviewCommentsUpdated (UTC)
react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

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Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
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4 participants

@mofeiZ@mvitousek@josephsavona@facebook-github-bot
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

[compiler][ez] Clean up duplicate code in propagateScopeDeps - #31581

Merged
mofeiZ merged 1 commit into
mainfrom
pr31579
Dec 16, 2024
Merged

[compiler][ez] Clean up duplicate code in propagateScopeDeps#31581
mofeiZ merged 1 commit into
mainfrom
pr31579

Conversation

@mofeiZ

@mofeiZmofeiZ commented Nov 19, 2024

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Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.

Stack created with Sapling. Best reviewed with ReviewStack.

@vercel

vercelBot commented Nov 19, 2024

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The latest updates on your projects. Learn more about Vercel for Git ↗︎

NameStatusPreviewCommentsUpdated (UTC)
react-compiler-playground✅ Ready (Inspect)Visit Preview💬 Add feedbackDec 16, 2024 7:10pm

Clean up duplicate checks for when to skip processing values as dependencies / hoistable temporaries.
return;
}
if (value.kind === 'PropertyLoad') {
context.visitProperty(value.object, value.property, false);

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

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Doesn't seem to be a equivalent to the context.isUsedOutsideDeclaringScope(lvalue) check in the new version, is that a semantic change?

Copy link
Copy Markdown
ContributorAuthor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Ahh that's because we already check context.isUsedOutsideDeclaringScope when building the temporaries sidemap. It's a bit awkward, but we need this information when constructing the temporaries sidemap because:

  • context.isUsedOutsideDeclaringScope represents a reordering barrier
  • the whole point of the temporaries sidemap is to represent reorderable / semantically equivalent expressions
  • it's difficult to defer finding reordering barriers because they may affect multiple temporaries entries i.e. PropertyLoads from non-reorderable values

I originally duplicated this code to decouple temporary sidemap construction from dependency collection. But.. I think that made maintaining this code much more difficult. @mvitousek I'd love feedback on how to make this cleaner!

@mofeiZ
mofeiZ merged commit ac17270 into mainDec 16, 2024
davesnx added a commit to davesnx/react that referenced this pull request Dec 18, 2024
…act into issue-31578-setter-arity-gcc
* 'issue-31578-setter-arity-gcc' of github.com:/davesnx/react:
[flags] Clean up scheduler flags (react#31814)
Enable debugRenderPhaseSideEffectsForStrictMode in test renderers (react#31761)
Enable disableDefaultPropsExceptForClasses (react#31804)
Turn on useModernStrictMode in test renderers (react#31769)
[compiler][ez] Add shape for global Object.keys (react#31583)
[compiler] Context variables as dependencies (react#31582)
[compiler] Add fire to known React APIs (react#31795)
[compiler] Add option for firing effect functions (react#31794)
[compiler][be] Logger based debug printing in test runner (react#31809)
[compiler][ez] Clean up duplicate code in propagateScopeDeps (react#31581)
[compiler] Repro for aliased captures within inner function expressions (react#31770)
[compiler][be] Playground now compiles entire program (react#31774)
[Flight] Color and badge non-primary environments (react#31738)
[Flight] Emit Deduped Server Components Marker (react#31737)
[Flight] Sort Server Components Track Group ahead of Client Scheduler/Components Tracks (react#31736)
Clean up context access profiling experiment (react#31806)
[Flight] Stack Parallel Components in Separate Tracks (react#31735)
Flag for requestPaint (react#31805)
@poteto
poteto deleted the pr31579 branch March 11, 2025 15:24
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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Successfully merging this pull request may close these issues.

4 participants

@mofeiZ@mvitousek@josephsavona@facebook-github-bot