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 王天杨
提交两个项目文件
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const util = require("util");
const defaultFactory = (key, hook) => hook;
class HookMap {
constructor(factory, name = undefined) {
this._map = new Map();
this.name = name;
this._factory = factory;
this._interceptors = [];
}
get(key) {
return this._map.get(key);
}
for(key) {
const hook = this.get(key);
if (hook !== undefined) {
return hook;
}
let newHook = this._factory(key);
const interceptors = this._interceptors;
for (let i = 0; i < interceptors.length; i++) {
newHook = interceptors[i].factory(key, newHook);
}
this._map.set(key, newHook);
return newHook;
}
intercept(interceptor) {
this._interceptors.push(
Object.assign(
{
factory: defaultFactory
},
interceptor
)
);
}
}
HookMap.prototype.tap = util.deprecate(function tap(key, options, fn) {
return this.for(key).tap(options, fn);
}, "HookMap#tap(key,…) is deprecated. Use HookMap#for(key).tap(…) instead.");
HookMap.prototype.tapAsync = util.deprecate(function tapAsync(
key,
options,
fn
) {
return this.for(key).tapAsync(options, fn);
}, "HookMap#tapAsync(key,…) is deprecated. Use HookMap#for(key).tapAsync(…) instead.");
HookMap.prototype.tapPromise = util.deprecate(function tapPromise(
key,
options,
fn
) {
return this.for(key).tapPromise(options, fn);
}, "HookMap#tapPromise(key,…) is deprecated. Use HookMap#for(key).tapPromise(…) instead.");
module.exports = HookMap;
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