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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Florent Cailhol @ooflorent
- */
- "use strict";
-
- /** @typedef {import("../Module")} Module */
-
- class DependencyReference {
- // TODO webpack 5: module must be dynamic, you must pass a function returning a module
- // This is needed to remove the hack in ConcatenatedModule
- // The problem is that the `module` in Dependency could be replaced i. e. because of Scope Hoisting
- /**
- *
- * @param {Module} module the referenced module
- * @param {string[] | boolean} importedNames imported named from the module
- * @param {boolean=} weak if this is a weak reference
- * @param {number} order the order information or NaN if don't care
- */
- constructor(module, importedNames, weak = false, order = NaN) {
- // TODO webpack 5: make it a getter
- this.module = module;
- // true: full object
- // false: only sideeffects/no export
- // array of strings: the exports with this names
- this.importedNames = importedNames;
- this.weak = !!weak;
- this.order = order;
- }
-
- /**
- * @param {DependencyReference[]} array an array (will be modified)
- * @returns {DependencyReference[]} the array again
- */
- static sort(array) {
- /** @type {WeakMap<DependencyReference, number>} */
- const originalOrder = new WeakMap();
- let i = 0;
- for (const ref of array) {
- originalOrder.set(ref, i++);
- }
- return array.sort((a, b) => {
- const aOrder = a.order;
- const bOrder = b.order;
- if (isNaN(aOrder)) {
- if (!isNaN(bOrder)) {
- return 1;
- }
- } else {
- if (isNaN(bOrder)) {
- return -1;
- }
- if (aOrder !== bOrder) {
- return aOrder - bOrder;
- }
- }
- const aOrg = originalOrder.get(a);
- const bOrg = originalOrder.get(b);
- return aOrg - bOrg;
- });
- }
- }
-
- module.exports = DependencyReference;
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