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fix #9424 #9425

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merged 1 commit into from Jul 17, 2019
+3 −3
Merged

fix #9424 #9425

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6 changes: 3 additions & 3 deletions lib/ResolverFactory.js
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Expand Up @@ -10,6 +10,8 @@ const { cachedCleverMerge } = require("./util/cleverMerge");

/** @typedef {import("enhanced-resolve").Resolver} Resolver */

const EMTPY_RESOLVE_OPTIONS = {};

module.exports = class ResolverFactory extends Tapable {
constructor() {
super();
Expand Down Expand Up @@ -40,13 +42,11 @@ module.exports = class ResolverFactory extends Tapable {
return true;
}
});
this.cache1 = new WeakMap();
this.cache2 = new Map();
}

get(type, resolveOptions) {
const cachedResolver = this.cache1.get(resolveOptions);
if (cachedResolver) return cachedResolver();
resolveOptions = resolveOptions || EMTPY_RESOLVE_OPTIONS;
const ident = `${type}|${JSON.stringify(resolveOptions)}`;
const resolver = this.cache2.get(ident);
if (resolver) return resolver;
Expand Down