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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Ivan Kopeykin @vankop
*/
"use strict";
/** @typedef {import("./Resolver")} Resolver */
/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
class RootPlugin {
/**
* @param {string | ResolveStepHook} source source hook
* @param {Array<string>} root roots
* @param {string | ResolveStepHook} target target hook
*/
constructor(source, root, target) {
this.root = root;
this.source = source;
this.target = target;
}
/**
* @param {Resolver} resolver the resolver
* @returns {void}
*/
apply(resolver) {
const target = resolver.ensureHook(this.target);
resolver
.getHook(this.source)
.tapAsync("RootPlugin", (request, resolveContext, callback) => {
const req = request.request;
if (!req) return callback();
if (!req.startsWith("/")) return callback();
const path = resolver.join(this.root, req.slice(1));
const obj = Object.assign(request, {
path,
relativePath: request.relativePath && path
});
resolver.doResolve(
target,
obj,
`root path ${this.root}`,
resolveContext,
callback
);
});
}
}
module.exports = RootPlugin;