HarmonyExportHeaderDependency.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 makeSerializable = require("../util/makeSerializable");
  7. const NullDependency = require("./NullDependency");
  8. /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
  9. /** @typedef {import("../Dependency")} Dependency */
  10. /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
  11. /** @typedef {import("../javascript/JavascriptParser").Range} Range */
  12. /** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
  13. /** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
  14. class HarmonyExportHeaderDependency extends NullDependency {
  15. /**
  16. * Creates an instance of HarmonyExportHeaderDependency.
  17. * @param {Range | false} range range
  18. * @param {Range} rangeStatement range statement
  19. */
  20. constructor(range, rangeStatement) {
  21. super();
  22. this.range = range;
  23. this.rangeStatement = rangeStatement;
  24. }
  25. get type() {
  26. return "harmony export header";
  27. }
  28. /**
  29. * Serializes this instance into the provided serializer context.
  30. * @param {ObjectSerializerContext} context context
  31. */
  32. serialize(context) {
  33. const { write } = context;
  34. write(this.range);
  35. write(this.rangeStatement);
  36. super.serialize(context);
  37. }
  38. /**
  39. * Restores this instance from the provided deserializer context.
  40. * @param {ObjectDeserializerContext} context context
  41. */
  42. deserialize(context) {
  43. const { read } = context;
  44. this.range = read();
  45. this.rangeStatement = read();
  46. super.deserialize(context);
  47. }
  48. }
  49. makeSerializable(
  50. HarmonyExportHeaderDependency,
  51. "webpack/lib/dependencies/HarmonyExportHeaderDependency"
  52. );
  53. HarmonyExportHeaderDependency.Template = class HarmonyExportDependencyTemplate extends (
  54. NullDependency.Template
  55. ) {
  56. /**
  57. * Applies the plugin by registering its hooks on the compiler.
  58. * @param {Dependency} dependency the dependency for which the template should be applied
  59. * @param {ReplaceSource} source the current replace source which can be modified
  60. * @param {DependencyTemplateContext} templateContext the context object
  61. * @returns {void}
  62. */
  63. apply(dependency, source, templateContext) {
  64. const dep = /** @type {HarmonyExportHeaderDependency} */ (dependency);
  65. const content = "";
  66. const replaceUntil = dep.range
  67. ? dep.range[0] - 1
  68. : dep.rangeStatement[1] - 1;
  69. source.replace(dep.rangeStatement[0], replaceUntil, content);
  70. }
  71. };
  72. module.exports = HarmonyExportHeaderDependency;