DelegatedModuleFactoryPlugin.js 3.6 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 DelegatedModule = require("./DelegatedModule");
  7. /** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
  8. /** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsContent} DllReferencePluginOptionsContent */
  9. /** @typedef {import("./DelegatedModule").DelegatedModuleSourceRequest} DelegatedModuleSourceRequest */
  10. /** @typedef {import("./DelegatedModule").DelegatedModuleType} DelegatedModuleType */
  11. /** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
  12. /** @typedef {import("./util/identifier").AssociatedObjectForCache} AssociatedObjectForCache */
  13. /**
  14. * @typedef {object} Options
  15. * @property {DelegatedModuleSourceRequest} source source
  16. * @property {NonNullable<DllReferencePluginOptions["context"]>} context absolute context path to which lib ident is relative to
  17. * @property {DllReferencePluginOptionsContent} content content
  18. * @property {DllReferencePluginOptions["type"]} type type
  19. * @property {DllReferencePluginOptions["extensions"]} extensions extensions
  20. * @property {DllReferencePluginOptions["scope"]} scope scope
  21. * @property {AssociatedObjectForCache=} associatedObjectForCache object for caching
  22. */
  23. class DelegatedModuleFactoryPlugin {
  24. /**
  25. * @param {Options} options options
  26. */
  27. constructor(options) {
  28. this.options = options;
  29. options.type = options.type || "require";
  30. options.extensions = options.extensions || ["", ".js", ".json", ".wasm"];
  31. }
  32. /**
  33. * @param {NormalModuleFactory} normalModuleFactory the normal module factory
  34. * @returns {void}
  35. */
  36. apply(normalModuleFactory) {
  37. const scope = this.options.scope;
  38. if (scope) {
  39. normalModuleFactory.hooks.factorize.tapAsync(
  40. "DelegatedModuleFactoryPlugin",
  41. (data, callback) => {
  42. const [dependency] = data.dependencies;
  43. const { request } = dependency;
  44. if (request && request.startsWith(`${scope}/`)) {
  45. const innerRequest = `.${request.slice(scope.length)}`;
  46. let resolved;
  47. if (innerRequest in this.options.content) {
  48. resolved = this.options.content[innerRequest];
  49. return callback(
  50. null,
  51. new DelegatedModule(
  52. this.options.source,
  53. resolved,
  54. /** @type {DelegatedModuleType} */
  55. (this.options.type),
  56. innerRequest,
  57. request
  58. )
  59. );
  60. }
  61. const extensions =
  62. /** @type {string[]} */
  63. (this.options.extensions);
  64. for (let i = 0; i < extensions.length; i++) {
  65. const extension = extensions[i];
  66. const requestPlusExt = innerRequest + extension;
  67. if (requestPlusExt in this.options.content) {
  68. resolved = this.options.content[requestPlusExt];
  69. return callback(
  70. null,
  71. new DelegatedModule(
  72. this.options.source,
  73. resolved,
  74. /** @type {DelegatedModuleType} */
  75. (this.options.type),
  76. requestPlusExt,
  77. request + extension
  78. )
  79. );
  80. }
  81. }
  82. }
  83. return callback();
  84. }
  85. );
  86. } else {
  87. normalModuleFactory.hooks.module.tap(
  88. "DelegatedModuleFactoryPlugin",
  89. module => {
  90. const request = module.libIdent(this.options);
  91. if (request && request in this.options.content) {
  92. const resolved = this.options.content[request];
  93. return new DelegatedModule(
  94. this.options.source,
  95. resolved,
  96. /** @type {DelegatedModuleType} */
  97. (this.options.type),
  98. request,
  99. module
  100. );
  101. }
  102. return module;
  103. }
  104. );
  105. }
  106. }
  107. }
  108. module.exports = DelegatedModuleFactoryPlugin;