Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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" + '
Skip to content

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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('^' + ".*" + '
Skip to content

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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" + '
Skip to content

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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('^' + ".*" + '
Skip to content

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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('^' + ".*" + '
Skip to content

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl
, '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

Removes two entry points for memory leaks - #182

Merged
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak
Jun 25, 2026
Merged

Removes two entry points for memory leaks#182
NeedleInAJayStack merged 2 commits into
GraphQLSwift:mainfrom
jwsinner:fix/memory-leak

Conversation

@jwsinner

Copy link
Copy Markdown

Updates Token.prev to be a weak var to prevent memory leaks caused by reference cycles in the AST.

Updates ValidationContext to use an override of report(error: GraphQLError) rather than capturing itself strongly in the onError closure.

Adds GraphQLMemoryRetentionTests.swift with two regression tests to validate these changes remove these leaks.

Makes Token.prev a weak var preventing retention if a cyclec occur in the graph. ValidationContext no longer captures itself strongly in assigning onError; uses an override of report instead. Regression tests were added to validate the fixes
@jwsinnerjwsinner changed the title fix: removes two entry points for memory leaksRemoves two entry points for memory leaksJun 24, 2026
@NeedleInAJayStack
NeedleInAJayStack self-requested a review June 24, 2026 15:53

@NeedleInAJayStackNeedleInAJayStack left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

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

Thanks! Great find, and thanks for contributing these fixes!

Comment threadSources/GraphQL/Validation/ValidationContext.swift Outdated
@NeedleInAJayStack
NeedleInAJayStack merged commit d3366a2 into GraphQLSwift:mainJun 25, 2026
9 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants

@jwsinner@NeedleInAJayStack@jsinnerpl