feat: add minification step for JavaScript files in build process

build-simple.js

@@ -1,6 +1,7 @@
 const fs = require("fs");
 const path = require("path");
 const { execSync } = require("child_process");
+const { minify } = require("terser");
 
 // Build configuration
 const PROVIDERS_DIR = "./providers";
@@ -91,6 +92,101 @@ class ProviderBuilder {
     }
   }
 
+  /**
+   * Minify all JavaScript files in the dist directory
+   */
+  async minifyFiles() {
+    const keepConsole = process.env.KEEP_CONSOLE === "true";
+    log.build(
+      `Minifying JavaScript files... ${
+        keepConsole ? "(keeping console logs)" : "(removing console logs)"
+      }`
+    );
+
+    const minifyFile = async (filePath) => {
+      try {
+        const code = fs.readFileSync(filePath, "utf8");
+        const result = await minify(code, {
+          compress: {
+            drop_console: !keepConsole, // Remove console logs unless KEEP_CONSOLE=true
+            drop_debugger: true,
+            pure_funcs: keepConsole
+              ? ["console.debug"]
+              : [
+                  "console.debug",
+                  "console.log",
+                  "console.info",
+                  "console.warn",
+                ],
+          },
+          mangle: {
+            keep_fnames: false, // Mangle function names for better compression
+          },
+          format: {
+            comments: false, // Remove comments
+          },
+        });
+
+        if (result.code) {
+          fs.writeFileSync(filePath, result.code);
+          return true;
+        } else {
+          log.warning(`Failed to minify ${filePath}: No output code`);
+          return false;
+        }
+      } catch (error) {
+        log.error(`Error minifying ${filePath}: ${error.message}`);
+        return false;
+      }
+    };
+
+    const findJsFiles = (dir) => {
+      const files = [];
+      const items = fs.readdirSync(dir, { withFileTypes: true });
+
+      for (const item of items) {
+        const fullPath = path.join(dir, item.name);
+        if (item.isDirectory()) {
+          files.push(...findJsFiles(fullPath));
+        } else if (item.isFile() && item.name.endsWith(".js")) {
+          files.push(fullPath);
+        }
+      }
+
+      return files;
+    };
+
+    const jsFiles = findJsFiles(DIST_DIR);
+    let minifiedCount = 0;
+    let totalSizeBefore = 0;
+    let totalSizeAfter = 0;
+
+    for (const filePath of jsFiles) {
+      const statsBefore = fs.statSync(filePath);
+      totalSizeBefore += statsBefore.size;
+
+      const success = await minifyFile(filePath);
+      if (success) {
+        const statsAfter = fs.statSync(filePath);
+        totalSizeAfter += statsAfter.size;
+        minifiedCount++;
+      }
+    }
+
+    const compressionRatio =
+      totalSizeBefore > 0
+        ? (
+            ((totalSizeBefore - totalSizeAfter) / totalSizeBefore) *
+            100
+          ).toFixed(1)
+        : 0;
+
+    log.success(
+      `Minified ${minifiedCount}/${jsFiles.length} files. ` +
+        `Size reduced by ${compressionRatio}% (${totalSizeBefore} → ${totalSizeAfter} bytes)`
+    );
+  }
+
   /**
    * Organize compiled files by provider
    */
@@ -137,7 +233,7 @@ class ProviderBuilder {
   /**
    * Build everything
    */
-  build() {
+  async build() {
     const isWatchMode = process.env.NODE_ENV === "development";
 
     if (isWatchMode) {
@@ -163,6 +259,13 @@ class ProviderBuilder {
 
     this.organizeFiles();
 
+    // Add minification step (skip if SKIP_MINIFY is set)
+    if (!process.env.SKIP_MINIFY) {
+      await this.minifyFiles();
+    } else {
+      log.info("Skipping minification (SKIP_MINIFY=true)");
+    }
+
     const buildTime = Date.now() - this.startTime;
     log.success(`Build completed in ${buildTime}ms`);
 
@@ -178,4 +281,7 @@ class ProviderBuilder {
 
 // Run the build
 const builder = new ProviderBuilder();
-builder.build();
+builder.build().catch((error) => {
+  console.error("Build failed:", error);
+  process.exit(1);
+});

package-lock.json

@@ -20,8 +20,10 @@
         "@types/node": "^24.0.1",
         "concurrently": "^8.2.2",
         "cors": "^2.8.5",
+        "cross-env": "^7.0.3",
         "express": "^4.21.2",
         "nodemon": "^3.1.10",
+        "terser": "^5.43.1",
         "typescript": "^5.8.3"
       }
     },
@@ -73,6 +75,56 @@
         "node": ">=12"
       }
     },
+    "node_modules/@jridgewell/gen-mapping": {
+      "version": "0.3.12",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.12.tgz",
+      "integrity": "sha512-OuLGC46TjB5BbN1dH8JULVVZY4WTdkF7tV9Ys6wLL1rubZnCMstOhNHueU5bLCrnRuDhKPDM4g6sw4Bel5Gzqg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.0",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      }
+    },
+    "node_modules/@jridgewell/resolve-uri": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
+      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/source-map": {
+      "version": "0.3.10",
+      "resolved": "https://registry.npmjs.org/@jridgewell/source-map/-/source-map-0.3.10.tgz",
+      "integrity": "sha512-0pPkgz9dY+bijgistcTTJ5mR+ocqRXLuhXHYdzoMmmoJ2C9S46RCm2GMUbatPEUK9Yjy26IrAy8D/M00lLkv+Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.25"
+      }
+    },
+    "node_modules/@jridgewell/sourcemap-codec": {
+      "version": "1.5.4",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.4.tgz",
+      "integrity": "sha512-VT2+G1VQs/9oz078bLrYbecdZKs912zQlkelYpuf+SXF+QvZDYJlbx/LSx+meSAwdDFnF8FVXW92AVjjkVmgFw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.29",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.29.tgz",
+      "integrity": "sha512-uw6guiW/gcAGPDhLmd77/6lW8QLeiV5RUTsAX46Db6oLhGaVj4lhnPwb184s1bkc8kdVg/+h988dro8GRDpmYQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/resolve-uri": "^3.1.0",
+        "@jridgewell/sourcemap-codec": "^1.4.14"
+      }
+    },
     "node_modules/@types/cheerio": {
       "version": "0.22.35",
       "resolved": "https://registry.npmjs.org/@types/cheerio/-/cheerio-0.22.35.tgz",
@@ -107,6 +159,19 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/acorn": {
+      "version": "8.15.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
+      "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.1.0.tgz",
@@ -257,6 +322,13 @@
         "node": ">=8"
       }
     },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -544,6 +616,13 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -659,6 +738,25 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/cross-env": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.3.tgz",
+      "integrity": "sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cross-spawn": "^7.0.1"
+      },
+      "bin": {
+        "cross-env": "src/bin/cross-env.js",
+        "cross-env-shell": "src/bin/cross-env-shell.js"
+      },
+      "engines": {
+        "node": ">=10.14",
+        "npm": ">=6",
+        "yarn": ">=1"
+      }
+    },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
@@ -2177,6 +2275,27 @@
         "node": ">=10"
       }
     },
+    "node_modules/source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/source-map-support": {
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
+      }
+    },
     "node_modules/spawn-command": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2.tgz",
@@ -2302,6 +2421,25 @@
         "node": ">=4"
       }
     },
+    "node_modules/terser": {
+      "version": "5.43.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.43.1.tgz",
+      "integrity": "sha512-+6erLbBm0+LROX2sPXlUYx/ux5PyE9K/a92Wrt6oA+WDAoFTdpHE5tCYCI5PNzq2y8df4rA+QgHLJuR4jNymsg==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "@jridgewell/source-map": "^0.3.3",
+        "acorn": "^8.14.0",
+        "commander": "^2.20.0",
+        "source-map-support": "~0.5.20"
+      },
+      "bin": {
+        "terser": "bin/terser"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",

package.json

@@ -14,6 +14,7 @@
     "test:quick": "npm run build && node quick-test.js",
     "test:ui": "npm run test:interactive",
     "build": "node build-simple.js",
+    "build:dev": "cross-env SKIP_MINIFY=true node build-simple.js",
     "dev": "node dev-server.js",
     "dev:build": "npm run build && npm run dev",
     "watch": "nodemon",
@@ -27,8 +28,10 @@
     "@types/node": "^24.0.1",
     "concurrently": "^8.2.2",
     "cors": "^2.8.5",
+    "cross-env": "^7.0.3",
     "express": "^4.21.2",
     "nodemon": "^3.1.10",
+    "terser": "^5.43.1",
     "typescript": "^5.8.3"
   },
   "dependencies": {