ModuleChunkLoadingPlugin.js 2.5 KB

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  1. /*
  2. MIT License http://www.opensource.org/licenses/mit-license.php
  3. Author Tobias Koppers @sokra
  4. */
  5. "use strict";
  6. const RuntimeGlobals = require("../RuntimeGlobals");
  7. const ExportWebpackRequireRuntimeModule = require("./ExportWebpackRequireRuntimeModule");
  8. const ModuleChunkLoadingRuntimeModule = require("./ModuleChunkLoadingRuntimeModule");
  9. /** @typedef {import("../Compiler")} Compiler */
  10. class ModuleChunkLoadingPlugin {
  11. /**
  12. * Apply the plugin
  13. * @param {Compiler} compiler the compiler instance
  14. * @returns {void}
  15. */
  16. apply(compiler) {
  17. compiler.hooks.thisCompilation.tap(
  18. "ModuleChunkLoadingPlugin",
  19. compilation => {
  20. const globalChunkLoading = compilation.outputOptions.chunkLoading;
  21. const isEnabledForChunk = chunk => {
  22. const options = chunk.getEntryOptions();
  23. const chunkLoading =
  24. (options && options.chunkLoading) || globalChunkLoading;
  25. return chunkLoading === "import";
  26. };
  27. const onceForChunkSet = new WeakSet();
  28. const handler = (chunk, set) => {
  29. if (onceForChunkSet.has(chunk)) return;
  30. onceForChunkSet.add(chunk);
  31. if (!isEnabledForChunk(chunk)) return;
  32. set.add(RuntimeGlobals.moduleFactoriesAddOnly);
  33. set.add(RuntimeGlobals.hasOwnProperty);
  34. compilation.addRuntimeModule(
  35. chunk,
  36. new ModuleChunkLoadingRuntimeModule(set)
  37. );
  38. };
  39. compilation.hooks.runtimeRequirementInTree
  40. .for(RuntimeGlobals.ensureChunkHandlers)
  41. .tap("ModuleChunkLoadingPlugin", handler);
  42. compilation.hooks.runtimeRequirementInTree
  43. .for(RuntimeGlobals.baseURI)
  44. .tap("ModuleChunkLoadingPlugin", handler);
  45. compilation.hooks.runtimeRequirementInTree
  46. .for(RuntimeGlobals.externalInstallChunk)
  47. .tap("ModuleChunkLoadingPlugin", handler);
  48. compilation.hooks.runtimeRequirementInTree
  49. .for(RuntimeGlobals.onChunksLoaded)
  50. .tap("ModuleChunkLoadingPlugin", handler);
  51. compilation.hooks.runtimeRequirementInTree
  52. .for(RuntimeGlobals.externalInstallChunk)
  53. .tap("ModuleChunkLoadingPlugin", (chunk, set) => {
  54. if (!isEnabledForChunk(chunk)) return;
  55. compilation.addRuntimeModule(
  56. chunk,
  57. new ExportWebpackRequireRuntimeModule()
  58. );
  59. });
  60. compilation.hooks.runtimeRequirementInTree
  61. .for(RuntimeGlobals.ensureChunkHandlers)
  62. .tap("ModuleChunkLoadingPlugin", (chunk, set) => {
  63. if (!isEnabledForChunk(chunk)) return;
  64. set.add(RuntimeGlobals.getChunkScriptFilename);
  65. });
  66. }
  67. );
  68. }
  69. }
  70. module.exports = ModuleChunkLoadingPlugin;