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. /** @import { ReplaceSource } from "webpack-sources" */
  9. /** @import Dependency from "../Dependency" */
  10. /** @import { DependencyTemplateContext } from "../DependencyTemplate" */
  11. /** @import { Range } from "../javascript/JavascriptParser" */
  12. /** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext<[Range | undefined | null, Range]>} ObjectDeserializerContext */
  13. /** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext<[Range | undefined | null, Range]>} ObjectSerializerContext */
  14. class HarmonyExportHeaderDependency extends NullDependency {
  15. /**
  16. * Creates an instance of HarmonyExportHeaderDependency.
  17. * @param {Range | undefined | null} 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. context.write(this.range).write(this.rangeStatement);
  34. super.serialize(context);
  35. }
  36. /**
  37. * Restores this instance from the provided deserializer context.
  38. * @param {ObjectDeserializerContext} context context
  39. */
  40. deserialize(context) {
  41. this.range = context.read();
  42. const c1 = context.rest;
  43. this.rangeStatement = c1.read();
  44. super.deserialize(c1.rest);
  45. }
  46. }
  47. makeSerializable(
  48. HarmonyExportHeaderDependency,
  49. "webpack/lib/dependencies/HarmonyExportHeaderDependency"
  50. );
  51. HarmonyExportHeaderDependency.Template = class HarmonyExportDependencyTemplate extends (
  52. NullDependency.Template
  53. ) {
  54. /**
  55. * Applies the plugin by registering its hooks on the compiler.
  56. * @param {Dependency} dependency the dependency for which the template should be applied
  57. * @param {ReplaceSource} source the current replace source which can be modified
  58. * @param {DependencyTemplateContext} templateContext the context object
  59. * @returns {void}
  60. */
  61. apply(dependency, source, templateContext) {
  62. const dep = /** @type {HarmonyExportHeaderDependency} */ (dependency);
  63. const content = "";
  64. const replaceUntil = dep.range
  65. ? dep.range[0] - 1
  66. : dep.rangeStatement[1] - 1;
  67. source.replace(dep.rangeStatement[0], replaceUntil, content);
  68. }
  69. };
  70. module.exports = HarmonyExportHeaderDependency;