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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const forEachBail = require("./forEachBail");
const getPaths = require("./getPaths");
module.exports = class ModulesInHierachicDirectoriesPlugin {
constructor(source, directories, target) {
this.source = source;
this.directories = [].concat(directories);
this.target = target;
}
apply(resolver) {
const target = resolver.ensureHook(this.target);
resolver.getHook(this.source).tapAsync("ModulesInHierachicDirectoriesPlugin", (request, resolveContext, callback) => {
const fs = resolver.fileSystem;
const addrs = getPaths(request.path).paths.map(p => {
return this.directories.map(d => resolver.join(p, d));
}).reduce((array, p) => {
array.push.apply(array, p);
return array;
}, []);
forEachBail(addrs, (addr, callback) => {
fs.stat(addr, (err, stat) => {
if(!err && stat && stat.isDirectory()) {
const obj = Object.assign({}, request, {
path: addr,
request: "./" + request.request
});
const message = "looking for modules in " + addr;
return resolver.doResolve(target, obj, message, resolveContext, callback);
}
if(resolveContext.log) resolveContext.log(addr + " doesn't exist or is not a directory");
if(resolveContext.missing) resolveContext.missing.add(addr);
return callback();
});
}, callback);
});
}
};
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