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Elastic Loop

Build StatusDependency StatusdevDependency Status

Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.

Get Started

npm install elastic-loop

API

loop(function, stress, [options])

Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.

  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:
    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)

Usage

constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()

License

See the License file.

About

Intervals with variable timeout.

www.npmjs.com/package/elastic-loop

Resources

Readme
MIT license
Activity

Stars

5 stars

Watchers

1 watching

Forks

1 fork
Report repository

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Packages

Used by

Contributors

Languages

, '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
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Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Elastic Loop
Build StatusDependency StatusdevDependency Status
Runs an interval with variable timeout. Useful for loops adapting to heavy load or other kind of situations.
Get Started
npm install elastic-loop
API
loop(function, stress, [options])
Runs function in loop, mutating timeout depending on stress. Returns instance containing end function.
  • function: Interval function. (Function)
  • stress: Function returning bool. (Function)
  • options: optional, but must be an Object if specified, containing zero or more of the following properties:

    • timeout: Default interval timeout in milliseconds. (Number; default: 1000)
    • modifier: Timeout multiplier on stress. (Float; default: 1.20)
    • min: Min stress multiplier. (Number|Float; default: 1)
    • max: Max stress multiplier. (Number|Float; default: 0:infinite)
Usage
constloop=require('elastic-loop')constbusy=require('node-busy')constmonitor=busy()// @cycle: current cycle fingerprintfunctionrun(cycle){// → @cycle: { timeout: 1000, stress: 1 }}functionstress(){// returns true if overloaded, false otherwisereturnmonitor.blocked}constcycle=loop(run,stress)// cycle.end()
License
See the License file.
About
Intervals with variable timeout.
www.npmjs.com/package/elastic-loop
Resources
Readme
MIT license
Activity
Stars
5 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages