rollup-plugin-webpack-stats/dist/plugin.cjs.map

Rollup/Vite/Rolldown plugin to generate a stats JSON file with a bundle-stats webpack-compatible structure

{"version":3,"file":"plugin.cjs","names":["statsWrite","bundleToWebpackStats","resolveFilepath","getByteSize","formatFileSize"],"sources":["../src/plugin.ts"],"sourcesContent":["import type { OutputBundle } from 'rollup-plugin-stats';\nimport extractStats, { type StatsOptions } from 'rollup-plugin-stats/extract';\n\nimport { type BundleTransformOptions, bundleToWebpackStats } from './transform';\nimport { type StatsWrite, statsWrite } from './write';\nimport { formatFileSize, getByteSize, resolveFilepath } from './utils';\n\nconst PLUGIN_NAME = 'webpackStats';\n\n/**\n * A subset of resolved output options provided to the `generateBundle` hook by Vite/Rolldown/Rollup,\n * containing only the fields this plugin uses to generate a stats file for a specific output.\n */\nexport type OutputOptions = {\n  /** Output directory for the generated files. */\n  dir?: string | undefined;\n\n  /** Output format */\n  format?:\n    | 'es'\n    | 'esm'\n    | 'module'\n    | 'cjs'\n    | 'commonjs'\n    | 'iife'\n    | 'umd'\n    | 'amd'\n    | 'system'\n    | 'systemjs'\n    | undefined;\n};\n\n/**\n * Subset of the Vite/Rolldown/Rollup plugin hook context (`this`) used by this plugin.\n */\ntype PluginContext = {\n  /** Log an informational message through Vite/Rolldown/Rollup's logging pipeline. */\n  info: (message: string) => void;\n\n  /** Log a warning through Vite/Rolldown/Rollup's logging pipeline without stopping the build. */\n  warn: (message: string) => void;\n};\n\n/**\n * Minimum plugin interface compatible with Vite/Rolldown/Rollup.\n */\nexport type Plugin = {\n  /** Unique identifier for the plugin, used in error messages and logs. */\n  name: string;\n\n  /**\n   * Hook called after the bundle has been fully generated but before it is\n   * written to disk. Receives the resolved output options and the complete\n   * output bundle map.\n   */\n  generateBundle?: (\n    this: PluginContext,\n    outputOptions: OutputOptions,\n    bundle: OutputBundle,\n    isWrite: boolean\n  ) => void | Promise<void>;\n};\n\ntype WebpackStatsOptions = {\n  /**\n   * JSON file output fileName\n   * default: webpack-stats.json\n   */\n  fileName?: string;\n  /**\n   * Custom file writer\n   * @default - fs.write(FILENAME, JSON.stringify(STATS, null, 2));\n   */\n  write?: StatsWrite;\n} & Omit<StatsOptions, 'source' | 'map'> &\n  BundleTransformOptions;\n\ntype WebpackStatsOptionsOrBuilder =\n  | WebpackStatsOptions\n  | ((outputOptions: OutputOptions) => WebpackStatsOptions);\n\nexport const webpackStats = (\n  options: WebpackStatsOptionsOrBuilder = {}\n): Plugin => ({\n  name: PLUGIN_NAME,\n  async generateBundle(outputOptions, bundle) {\n    const resolvedOptions =\n      typeof options === 'function' ? options(outputOptions) : options;\n    const {\n      fileName,\n      excludeAssets,\n      excludeModules,\n      write = statsWrite,\n      ...transformOptions\n    } = resolvedOptions;\n\n    const rollupStats = extractStats(bundle, {\n      excludeAssets,\n      excludeModules,\n      // Extract stats source to compute size\n      source: true,\n    });\n    const stats = bundleToWebpackStats(rollupStats, transformOptions);\n    const filepath = resolveFilepath(fileName, outputOptions.dir);\n\n    try {\n      const res = await write(\n        filepath,\n        stats as unknown as Record<string, unknown>\n      );\n      const outputSize = getByteSize(res.content);\n\n      this.info(\n        `Stats saved to ${res.filepath} (${formatFileSize(outputSize)})`\n      );\n    } catch (error: unknown) {\n      const message =\n        error instanceof Error ? error.message : JSON.stringify(error);\n\n      // Log error, but do not throw to allow the compilation to continue\n      this.warn(message);\n    }\n  },\n});\n"],"mappings":";;;;;;;;AAOA,MAAM,cAAc;AA0EpB,MAAa,gBACX,UAAwC,CAAC,OAC7B;CACZ,MAAM;CACN,MAAM,eAAe,eAAe,QAAQ;EAG1C,MAAM,EACJ,UACA,eACA,gBACA,QAAQA,0BACR,GAAG,qBANH,OAAO,YAAY,aAAa,QAAQ,aAAa,IAAI;EAe3D,MAAM,QAAQC,gFANmB,QAAQ;GACvC;GACA;GAEA,QAAQ;EACV,CAC6C,GAAG,gBAAgB;EAChE,MAAM,WAAWC,8BAAgB,UAAU,cAAc,GAAG;EAE5D,IAAI;GACF,MAAM,MAAM,MAAM,MAChB,UACA,KACF;GACA,MAAM,aAAaC,0BAAY,IAAI,OAAO;GAE1C,KAAK,KACH,kBAAkB,IAAI,SAAS,IAAIC,6BAAe,UAAU,EAAE,EAChE;EACF,SAAS,OAAgB;GACvB,MAAM,UACJ,iBAAiB,QAAQ,MAAM,UAAU,KAAK,UAAU,KAAK;GAG/D,KAAK,KAAK,OAAO;EACnB;CACF;AACF"}