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The Friendship Algorithm

I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).

I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.

Usage

TypeScript

import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript

Sheldon.ask();

Python

The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.

python3 algorithm.py

Demo

View Demo

Flowchart

alt text

Watch Video Clip

The Big Bang Theory: Season 2, Episode 13

About

The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.

Resources

Readme
Activity

Stars

6 stars

Watchers

1 watching

Forks

1 fork
Report repository

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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" + '

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The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
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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('^' + ".*" + '

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the-friendship-algorithm-1024x809.png
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Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
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('^' + ".*" + '

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the-friendship-algorithm-1024x809.png
the-friendship-algorithm-1024x809.png
Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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python
ts
ts
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the-friendship-algorithm-1024x809.png
the-friendship-algorithm-1024x809.png
Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
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('^' + ".*" + '

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15 Commits
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the-friendship-algorithm-1024x809.png
the-friendship-algorithm-1024x809.png
Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
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('^' + ".*" + '

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ts
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README.md
the-friendship-algorithm-1024x809.png
the-friendship-algorithm-1024x809.png
Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
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); }
})();
})();

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the-friendship-algorithm-1024x809.png
the-friendship-algorithm-1024x809.png
Repository files navigation
The Friendship Algorithm
I'm a big fan of The Big Bang Theory and I couldn't resist playing around with Sheldon's friendship algorithm. It's pretty much one object represented as Sheldon guided by the module pattern (thanks to Addy Osmani).
I encourage you to fork this code and get some zen coding in. Since the logic is "safely" protected by Sheldon, you should be able integrate any boilerplate of your choice for some fun interfaces. Also, feel free to refactor the logic when needed. It could always be better. That said, kudos to Wolowitz for plotting out the loop counter and escape.
Usage
TypeScript
import { createSheldon } from './ts/sheldon.ts';
const Sheldon = createSheldon();
Sheldon.ask();

Javascript
Sheldon.ask();

Python
The python version of The Friendship Algorithm (created by @amarrerod) uses a possible friend which answers Shelly's questions with randomly selected options. Therefore, every execution is a chance of getting a new friend.
python3 algorithm.py
Demo
View Demo
Flowchart
alt text
Watch Video Clip
The Big Bang Theory: Season 2, Episode 13
About
The Friendship Algorithm as outlined by The Big Bang Theory captured in JavaScript, TypeScript & Python.
Resources
Readme
Activity
Stars
6 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages