@areslabs/alita-core/lib/packByWebpack/miniprogramTarget/MpJsonpChunkTemplatePlugin.js

alita-core

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _configure = _interopRequireDefault(require("../../configure"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const {
  ConcatSource
} = require("webpack-sources");

const getEntryInfo = chunk => {
  return [chunk.entryModule].filter(Boolean).map(m => [m.id].concat(Array.from(chunk.groupsIterable)[0] // @ts-ignore
  .chunks.filter(c => c !== chunk).map(c => c.id)));
};

class MpJsonpChunkTemplatePlugin {
  /**
   * @param {ChunkTemplate} chunkTemplate the chunk template
   * @returns {void}
   */
  apply(chunkTemplate) {
    chunkTemplate.hooks.render.tap("JsonpChunkTemplatePlugin", (modules, chunk) => {
      const jsonpFunction = chunkTemplate.outputOptions.jsonpFunction;
      const source = new ConcatSource();
      const prefetchChunks = chunk.getChildIdsByOrders().prefetch;
      source.add(`(${_configure.default.mpGlobalObject}[${JSON.stringify(jsonpFunction)}] = ${_configure.default.mpGlobalObject}[${JSON.stringify(jsonpFunction)}] || []).push([${JSON.stringify(chunk.ids)},`);
      source.add(modules);
      const entries = getEntryInfo(chunk);

      if (entries.length > 0) {
        source.add(`,${JSON.stringify(entries)}`);
      } else if (prefetchChunks && prefetchChunks.length) {
        source.add(`,0`);
      }

      if (prefetchChunks && prefetchChunks.length) {
        source.add(`,${JSON.stringify(prefetchChunks)}`);
      }

      source.add("])");
      return source;
    });
    chunkTemplate.hooks.hash.tap("JsonpChunkTemplatePlugin", hash => {
      hash.update("JsonpChunkTemplatePlugin");
      hash.update("4");
      hash.update(`${chunkTemplate.outputOptions.jsonpFunction}`);
      hash.update(`${_configure.default.mpGlobalObject}`);
    });
    chunkTemplate.hooks.hashForChunk.tap("JsonpChunkTemplatePlugin", (hash, chunk) => {
      hash.update(JSON.stringify(getEntryInfo(chunk)));
      hash.update(JSON.stringify(chunk.getChildIdsByOrders().prefetch) || "");
    });
  }

}

exports.default = MpJsonpChunkTemplatePlugin;