@shopify/sewing-kit/lib/packages/webpack-asset-metadata-plugin/index.js

"use strict";

var __awaiter = this && this.__awaiter || function (thisArg, _arguments, P, generator) {
  return new (P || (P = Promise))(function (resolve, reject) {
    function fulfilled(value) {
      try {
        step(generator.next(value));
      } catch (e) {
        reject(e);
      }
    }

    function rejected(value) {
      try {
        step(generator["throw"](value));
      } catch (e) {
        reject(e);
      }
    }

    function step(result) {
      result.done ? resolve(result.value) : new P(function (resolve) {
        resolve(result.value);
      }).then(fulfilled, rejected);
    }

    step((generator = generator.apply(thisArg, _arguments || [])).next());
  });
};

Object.defineProperty(exports, "__esModule", {
  value: true
});

const path_1 = require("path");

const fs_extra_1 = require("fs-extra");

const manifest_1 = require("./manifest");

const entrypoints_1 = require("./entrypoints");

class AssetMetadataPlugin {
  constructor(options = {}) {
    this.options = Object.assign({
      assetBasePath: false,
      filename: 'assets.json'
    }, options);
  }

  apply(compiler) {
    compiler.hooks.afterEmit.tapAsync('AssetMetadataPlugin', (compilation, callback) => __awaiter(this, void 0, void 0, function* () {
      const assetBasePath = this.options.assetBasePath || compilation.outputOptions.path;
      const output = {
        assets: manifest_1.getAssetManifest(assetBasePath, compilation),
        entrypoints: {},
        asyncAssets: manifest_1.getAsyncAssetManifest(compilation, {
          includeIntegrity: compiler.options.mode === 'production'
        })
      };
      compilation.entrypoints.forEach((_, entryName) => {
        output.entrypoints[entryName] = entrypoints_1.getChunkDependencies(compilation, entryName);
      });

      try {
        const file = path_1.join(compilation.outputOptions.path || '', this.options.filename);
        yield fs_extra_1.mkdirp(path_1.dirname(file));
        yield fs_extra_1.writeFile(file, JSON.stringify(output, null, 2));
      } catch (err) {
        compilation.errors.push(err);
      } finally {
        callback();
      }
    }));
  }

}

exports.AssetMetadataPlugin = AssetMetadataPlugin;