Initial commit

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+index.js

index.ts

@@ -0,0 +1,115 @@
+// ==UserScript==
+// @name         YouTube Normal Thumbnails
+// @namespace    http://greasyfork.org
+// @version      0.6.0
+// @description  Restores normal thumbnails size
+// @author       NeoCortex
+// @match        *://www.youtube.com/*
+// @run-at       document-end
+// @grant        none
+// ==/UserScript==
+
+(function () {
+    const perRowProperty = '--ytd-rich-grid-items-per-row';
+    const styleContent = `
+    ytd-rich-grid-video-renderer[mini-mode] #video-title.ytd-rich-grid-video-renderer {
+        font-size: 1.4rem;
+        font-weight: 500;
+        line-height: 1.6rem;
+    }
+
+    #avatar-link.ytd-rich-grid-video-renderer {
+        display: none !important;
+    }
+    `.trim();
+
+    class YoutubeThumbnailsFixer {
+        private oldPerRow?: number;
+        private observer?: MutationObserver;
+        private target?: HTMLElement;
+        private videoObserverConfig = {
+            attributes: true,
+            childList: false,
+            subtree: false
+        };
+
+        constructor() {
+            this.installContentObserver();
+        }
+
+        private installContentObserver(): void {
+            this.observer = new MutationObserver((mutationsList, observer) => {
+                this.target = document.querySelector('ytd-rich-grid-renderer') as HTMLElement;
+
+                if (null !== this.target) {
+                    this.observer?.disconnect();
+                    this.installStyle();
+                    this.updateRowsCount();
+                    this.installVideoGridObserver();
+                }
+            });
+            this.observer.observe(document.getElementById('content') as Node, {
+                attributes: false,
+                childList: true,
+                subtree: true
+            });
+        }
+
+        private installVideoGridObserver(): void {
+            if (this.isNil(this.target)) {
+                return;
+            }
+
+            this.observer = new MutationObserver((mutationsList, observer) => {
+                for (let mutation of mutationsList) {
+                    if (mutation.attributeName == 'style') {
+                        this.observer?.disconnect();
+                        this.updateRowsCount();
+                        this.observer?.observe(this.target as Node, this.videoObserverConfig);
+                    }
+                }
+            });
+            this.observer?.observe(this.target as Node, this.videoObserverConfig);
+            console.info(`[YouTube Normal Thumbnails] Changed to ${this.currentPerRow} thumbnails per row instead of ${this.oldPerRow}.`);
+        }
+
+        private updateRowsCount(): void {
+            if (this.isNil(this.target)) {
+                return;
+            }
+
+            try {
+                if (this.oldPerRow === undefined || this.oldPerRow == this.currentPerRow || this.oldPerRow === 0) {
+                    this.oldPerRow = this.currentPerRow;
+                    this.currentPerRow += 1;
+                }
+            } catch (e) {
+                console.warn(`[YouTube Normal Thumbnails] Cannot update thumbnails count: ${e}`)
+            }
+        }
+
+        private installStyle(): void {
+            let style = document.createElement('style');
+            style.innerHTML = styleContent;
+            document.body.appendChild(style);
+        }
+
+        private isNil(item: any): boolean {
+            return null === item || undefined === item;
+        }
+
+        get currentPerRow(): number {
+            if (this.isNil(this.target)) {
+                return 0;
+            }
+
+            return +(this.target as HTMLElement).style.getPropertyValue(perRowProperty);
+        }
+
+        set currentPerRow(value: number) {
+            this.target?.style.setProperty(perRowProperty, String(value));
+        }
+    }
+
+    new YoutubeThumbnailsFixer();
+})();

package-lock.json

@@ -0,0 +1,13 @@
+{
+  "name": "yt-thumbnails-fixer",
+  "version": "0.6.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "typescript": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz",
+      "integrity": "sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ=="
+    }
+  }
+}

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "yt-thumbnails-fixer",
+  "version": "0.6.0",
+  "description": "Restores old thumbnails on YouTube",
+  "main": "index.js",
+  "scripts": {
+    "build": "npx tsc --project tsconfig.json"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "typescript": "^4.0.5"
+  }
+}

tsconfig.json

@@ -0,0 +1,69 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
+    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    // "lib": [],                             /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    // "outDir": "./",                        /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true,                           /* Enable all strict type-checking options. */
+    "noImplicitAny": false,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true,                     /* Skip type checking of declaration files. */
+    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
+  }
+}