You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.7 KiB
60 lines
1.7 KiB
4 weeks ago
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
/** @typedef {import("./Resolver")} Resolver */
|
||
|
|
/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
|
||
|
|
/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
|
||
|
|
|
||
|
|
module.exports = class ConditionalPlugin {
|
||
|
|
/**
|
||
|
|
* @param {string | ResolveStepHook} source source
|
||
|
|
* @param {Partial<ResolveRequest>} test compare object
|
||
|
|
* @param {string | null} message log message
|
||
|
|
* @param {boolean} allowAlternatives when false, do not continue with the current step when "test" matches
|
||
|
|
* @param {string | ResolveStepHook} target target
|
||
|
|
*/
|
||
|
|
constructor(source, test, message, allowAlternatives, target) {
|
||
|
|
this.source = source;
|
||
|
|
this.test = test;
|
||
|
|
this.message = message;
|
||
|
|
this.allowAlternatives = allowAlternatives;
|
||
|
|
this.target = target;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Resolver} resolver the resolver
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(resolver) {
|
||
|
|
const target = resolver.ensureHook(this.target);
|
||
|
|
const { test, message, allowAlternatives } = this;
|
||
|
|
const keys = /** @type {(keyof ResolveRequest)[]} */ (Object.keys(test));
|
||
|
|
resolver
|
||
|
|
.getHook(this.source)
|
||
|
|
.tapAsync("ConditionalPlugin", (request, resolveContext, callback) => {
|
||
|
|
for (const prop of keys) {
|
||
|
|
if (request[prop] !== test[prop]) return callback();
|
||
|
|
}
|
||
|
|
resolver.doResolve(
|
||
|
|
target,
|
||
|
|
request,
|
||
|
|
message,
|
||
|
|
resolveContext,
|
||
|
|
allowAlternatives
|
||
|
|
? callback
|
||
|
|
: (err, result) => {
|
||
|
|
if (err) return callback(err);
|
||
|
|
|
||
|
|
// Don't allow other alternatives
|
||
|
|
if (result === undefined) return callback(null, null);
|
||
|
|
callback(null, result);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|