WebpackIsIncludedPlugin.js 2.7 KB

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  1. /*
  2. MIT License http://www.opensource.org/licenses/mit-license.php
  3. Author Ivan Kopeykin @vankop
  4. */
  5. "use strict";
  6. const IgnoreErrorModuleFactory = require("./IgnoreErrorModuleFactory");
  7. const {
  8. JAVASCRIPT_MODULE_TYPE_AUTO,
  9. JAVASCRIPT_MODULE_TYPE_DYNAMIC,
  10. JAVASCRIPT_MODULE_TYPE_ESM
  11. } = require("./ModuleTypeConstants");
  12. const WebpackIsIncludedDependency = require("./dependencies/WebpackIsIncludedDependency");
  13. const {
  14. toConstantDependency
  15. } = require("./javascript/JavascriptParserHelpers");
  16. /** @typedef {import("enhanced-resolve").Resolver} Resolver */
  17. /** @typedef {import("./Compiler")} Compiler */
  18. /** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
  19. /** @typedef {import("./Module")} Module */
  20. /** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
  21. /** @typedef {import("./javascript/JavascriptParser").Range} Range */
  22. const PLUGIN_NAME = "WebpackIsIncludedPlugin";
  23. class WebpackIsIncludedPlugin {
  24. /**
  25. * @param {Compiler} compiler the compiler instance
  26. * @returns {void}
  27. */
  28. apply(compiler) {
  29. compiler.hooks.compilation.tap(
  30. PLUGIN_NAME,
  31. (compilation, { normalModuleFactory }) => {
  32. compilation.dependencyFactories.set(
  33. WebpackIsIncludedDependency,
  34. new IgnoreErrorModuleFactory(normalModuleFactory)
  35. );
  36. compilation.dependencyTemplates.set(
  37. WebpackIsIncludedDependency,
  38. new WebpackIsIncludedDependency.Template()
  39. );
  40. /**
  41. * @param {JavascriptParser} parser the parser
  42. * @returns {void}
  43. */
  44. const handler = parser => {
  45. parser.hooks.call
  46. .for("__webpack_is_included__")
  47. .tap(PLUGIN_NAME, expr => {
  48. if (
  49. expr.type !== "CallExpression" ||
  50. expr.arguments.length !== 1 ||
  51. expr.arguments[0].type === "SpreadElement"
  52. ) {
  53. return;
  54. }
  55. const request = parser.evaluateExpression(expr.arguments[0]);
  56. if (!request.isString()) return;
  57. const dep = new WebpackIsIncludedDependency(
  58. /** @type {string} */ (request.string),
  59. /** @type {Range} */ (expr.range)
  60. );
  61. dep.loc = /** @type {DependencyLocation} */ (expr.loc);
  62. parser.state.module.addDependency(dep);
  63. return true;
  64. });
  65. parser.hooks.typeof
  66. .for("__webpack_is_included__")
  67. .tap(
  68. PLUGIN_NAME,
  69. toConstantDependency(parser, JSON.stringify("function"))
  70. );
  71. };
  72. normalModuleFactory.hooks.parser
  73. .for(JAVASCRIPT_MODULE_TYPE_AUTO)
  74. .tap(PLUGIN_NAME, handler);
  75. normalModuleFactory.hooks.parser
  76. .for(JAVASCRIPT_MODULE_TYPE_DYNAMIC)
  77. .tap(PLUGIN_NAME, handler);
  78. normalModuleFactory.hooks.parser
  79. .for(JAVASCRIPT_MODULE_TYPE_ESM)
  80. .tap(PLUGIN_NAME, handler);
  81. }
  82. );
  83. }
  84. }
  85. module.exports = WebpackIsIncludedPlugin;