HasOwnPropertyRuntimeModule.js 910 B

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  1. /*
  2. MIT License http://www.opensource.org/licenses/mit-license.php
  3. Author Sergey Melyukov @smelukov
  4. */
  5. "use strict";
  6. const RuntimeGlobals = require("../RuntimeGlobals");
  7. const RuntimeModule = require("../RuntimeModule");
  8. const Template = require("../Template");
  9. /** @typedef {import("../Compilation")} Compilation */
  10. class HasOwnPropertyRuntimeModule extends RuntimeModule {
  11. constructor() {
  12. super("hasOwnProperty shorthand");
  13. }
  14. /**
  15. * Generates runtime code for this runtime module.
  16. * @returns {string | null} runtime code
  17. */
  18. generate() {
  19. const compilation = /** @type {Compilation} */ (this.compilation);
  20. const { runtimeTemplate } = compilation;
  21. return Template.asString([
  22. `${RuntimeGlobals.hasOwnProperty} = ${runtimeTemplate.returningFunction(
  23. "Object.prototype.hasOwnProperty.call(obj, prop)",
  24. "obj, prop"
  25. )}`
  26. ]);
  27. }
  28. }
  29. module.exports = HasOwnPropertyRuntimeModule;