bonsai-analyzer/bin/stats/getChunkNamesFromImportedModules.js

Trim your dependency tree.

"use strict";

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

function isImportType(reason) {
  return reason.type === 'import()';
}

function wasImported(module) {
  return module.reasons.filter(isImportType).length > 0;
}

function getChunkNamesFromImportedModules(stats) {
  const chunksById = stats.chunks.reduce((map, chunk) => {
    map[chunk.id] = chunk;
    return map;
  }, {});
  return stats.modules.filter(wasImported).reduce((namesByChunks, module) => {
    module.reasons.filter(isImportType).forEach(reason => {
      const chunk = module.chunks.map(chunkId => chunksById[chunkId]).filter(chunk => chunk.origins.length >= 1 && chunk.origins[0].loc === reason.loc).shift();

      if (chunk) {
        namesByChunks[chunk.id] = module.name;
      }
    });
    return namesByChunks;
  }, {});
}