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@boxdox/bitflags

type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript

npmLicense

BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.

  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more

Installation

npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags

Usage

import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()

API

MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled

Contributing

PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features

this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's

  1. fork this repository

  2. install dependencies using Bun:

    bun install

  3. check that everything builds and tests pass, along with coverage:

    bun run build
bun test

License

MIT

About

a type-safe, dependency-free bit-flag library

Topics

bitflagbitflagsjavascriptnodejstypescript

Resources

Readme
MIT license
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
Report repository

Releases

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
BranchesTags
Repository files navigation
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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
@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
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0 stars
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0 watching
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0 forks
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, '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); }
})();
})();

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@boxdox/bitflags
type-safe, dependency, bit-mask flags with named keys for TypeScript and JavaScript
npmLicense
BitFlags gives you a zero-dependency way to manage sets of boolean flags using bit-masks, but with ergonomic named string keys instead of magic numbers.
  • 💯 Type-safe flag keys (TypeScript generics)
  • 🚀 Fast bitwise manipulation
  • 🔧 Small (single file, tree-shakable)
  • 📖 EasytoNumber, toBinaryString, fromBinaryString, set/clear/toggle/isSet, and more
Installation
npm install @boxdox/bitflags
# or
yarn add @boxdox/bitflags
Usage
import{BitFlags}from'@boxdox/bitflags'// Define your flags as string keys mapped to unique bit positions (0-based)constMyFlags={READ: 0,WRITE: 1,EXECUTE: 2,}constflags=newBitFlags(MyFlags)// Set flags by name (type checked!)flags.set('READ').set('EXECUTE')// Check flagsconsole.log(flags.isSet('WRITE'))// falseconsole.log(flags.isSet('EXECUTE'))// true// Convert to numberconstmask=flags.toNumber()// e.g. 0b101 === 5// Binary string representationconsole.log(flags.toBinaryString())// "101" (padded as needed)// Get all set flag namesconsole.log(flags.getCurrentFlags())// ['READ', 'EXECUTE']// Count enabled flagsconsole.log(flags.countOnes())// 2// Clear and set allflags.clearAll()flags.setAll()
API
MethodDescription
constructor(flags, initialValue?)create a BitFlags instance
static fromBinaryString(string, flags)parse from a binary string
toNumber()get the current value as a number
capacity()get the minimum bit capacity needed for all flags
toBinaryString(capacity?)get a padded binary string
set(flag)set a flag (by name or bit), chainable
clear(flag)clear a flag (by name or bit), chainable
toggle(flag)flip a flag (by name or bit), chainable
isSet(flag)checks if given flag is currently set
clearAll()clear all flags
setAll()set all flags defined
getCurrentFlags()array of flag names currently set
countOnes()count of flags that are currently enabled
Contributing
PR's welcomed for suggesting ideas, fixing bugs, writing tests, improving docs, or submitting code for new features
this is 100% type-safe, with 100% test coverage. please take care of this while raising PR's
  1. fork this repository
  2. install dependencies using Bun:
    bun install
  3. check that everything builds and tests pass, along with coverage:
    bun run build
bun test
License
MIT
About
a type-safe, dependency-free bit-flag library
Topics
bitflagbitflagsjavascriptnodejstypescript
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Contributors
Languages