Improve getPos performance #20

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Open
Improve getPos performance#20
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plugin: emotion

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@sapphi-red
sapphi-red
opened on Mar 15, 2026

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Description

#15 (comment)

Suggested solution

Caching the position or use binary search, not sure. At least there's a room to optimize.

Alternative

No response

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No response

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  • Follow our Code of Conduct
  • Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

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      , '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
      Improve getPos performance #20
      Open
      Feature
      Open
      Improve getPos performance#20
      Feature
      Labels
      plugin: emotion
      Description
      @sapphi-red
      sapphi-red
      opened on Mar 15, 2026
      Related plugins
      Description
      #15 (comment)
      Suggested solution
      Caching the position or use binary search, not sure. At least there's a room to optimize.
      Alternative
      No response
      Additional context
      No response
      Validations
      •  Follow our Code of Conduct
      •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        plugin: emotion
        Type
        Feature
        Fields
        Priority
        None yet
        Start date
        None yet
        Target date
        None yet
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          No milestone
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, '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
          Improve getPos performance #20
          Open
          Feature
          Open
          Improve getPos performance#20
          Feature
          Labels
          plugin: emotion
          Description
          @sapphi-red
          sapphi-red
          opened on Mar 15, 2026
          Related plugins
          Description
          #15 (comment)
          Suggested solution
          Caching the position or use binary search, not sure. At least there's a room to optimize.
          Alternative
          No response
          Additional context
          No response
          Validations
          •  Follow our Code of Conduct
          •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            plugin: emotion
            Type
            Feature
            Fields
            Priority
            None yet
            Start date
            None yet
            Target date
            None yet
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            No projects
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              No milestone
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              None yet
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              No branches or pull requests
              Issue actions
              
, '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
              Improve getPos performance #20
              Open
              Feature
              Open
              Improve getPos performance#20
              Feature
              Labels
              plugin: emotion
              Description
              @sapphi-red
              sapphi-red
              opened on Mar 15, 2026
              Related plugins
              Description
              #15 (comment)
              Suggested solution
              Caching the position or use binary search, not sure. At least there's a room to optimize.
              Alternative
              No response
              Additional context
              No response
              Validations
              •  Follow our Code of Conduct
              •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                plugin: emotion
                Type
                Feature
                Fields
                Priority
                None yet
                Start date
                None yet
                Target date
                None yet
                Effort
                None yet
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, '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
                  Improve getPos performance #20
                  Open
                  Feature
                  Open
                  Improve getPos performance#20
                  Feature
                  Labels
                  plugin: emotion
                  Description
                  @sapphi-red
                  sapphi-red
                  opened on Mar 15, 2026
                  Related plugins
                  Description
                  #15 (comment)
                  Suggested solution
                  Caching the position or use binary search, not sure. At least there's a room to optimize.
                  Alternative
                  No response
                  Additional context
                  No response
                  Validations
                  •  Follow our Code of Conduct
                  •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    plugin: emotion
                    Type
                    Feature
                    Fields
                    Priority
                    None yet
                    Start date
                    None yet
                    Target date
                    None yet
                    Effort
                    None yet
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, '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
                      Improve getPos performance #20
                      Open
                      Feature
                      Open
                      Improve getPos performance#20
                      Feature
                      Labels
                      plugin: emotion
                      Description
                      @sapphi-red
                      sapphi-red
                      opened on Mar 15, 2026
                      Related plugins
                      Description
                      #15 (comment)
                      Suggested solution
                      Caching the position or use binary search, not sure. At least there's a room to optimize.
                      Alternative
                      No response
                      Additional context
                      No response
                      Validations
                      •  Follow our Code of Conduct
                      •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        plugin: emotion
                        Type
                        Feature
                        Fields
                        Priority
                        None yet
                        Start date
                        None yet
                        Target date
                        None yet
                        Effort
                        None yet
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, '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
                          Improve getPos performance #20
                          Open
                          Feature
                          Open
                          Improve getPos performance#20
                          Feature
                          Labels
                          plugin: emotion
                          Description
                          @sapphi-red
                          sapphi-red
                          opened on Mar 15, 2026
                          Related plugins
                          Description
                          #15 (comment)
                          Suggested solution
                          Caching the position or use binary search, not sure. At least there's a room to optimize.
                          Alternative
                          No response
                          Additional context
                          No response
                          Validations
                          •  Follow our Code of Conduct
                          •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            plugin: emotion
                            Type
                            Feature
                            Fields
                            Priority
                            None yet
                            Start date
                            None yet
                            Target date
                            None yet
                            Effort
                            None yet
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, '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
                              Improve getPos performance #20
                              Open
                              Feature
                              Open
                              Improve getPos performance#20
                              Feature
                              Labels
                              plugin: emotion
                              Description
                              @sapphi-red
                              sapphi-red
                              opened on Mar 15, 2026
                              Related plugins
                              Description
                              #15 (comment)
                              Suggested solution
                              Caching the position or use binary search, not sure. At least there's a room to optimize.
                              Alternative
                              No response
                              Additional context
                              No response
                              Validations
                              •  Follow our Code of Conduct
                              •  Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                plugin: emotion
                                Type
                                Feature
                                Fields
                                Priority
                                None yet
                                Start date
                                None yet
                                Target date
                                None yet
                                Effort
                                None yet
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions