aaac7fed
 liuqimichale
add
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"use strict";
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
const createInnerCallback = require("./createInnerCallback");
const DescriptionFileUtils = require("./DescriptionFileUtils");
class DescriptionFilePlugin {
constructor(source, filenames, target) {
this.source = source;
this.filenames = [].concat(filenames);
this.target = target;
}
apply(resolver) {
const filenames = this.filenames;
const target = this.target;
resolver.plugin(this.source, (request, callback) => {
const directory = request.path;
DescriptionFileUtils.loadDescriptionFile(resolver, directory, filenames, ((err, result) => {
if(err) return callback(err);
if(!result) {
if(callback.missing) {
filenames.forEach((filename) => {
callback.missing.push(resolver.join(directory, filename));
});
}
if(callback.log) callback.log("No description file found");
return callback();
}
const relativePath = "." + request.path.substr(result.directory.length).replace(/\\/g, "/");
const obj = Object.assign({}, request, {
descriptionFilePath: result.path,
descriptionFileData: result.content,
descriptionFileRoot: result.directory,
relativePath: relativePath
});
resolver.doResolve(target, obj, "using description file: " + result.path + " (relative path: " + relativePath + ")", createInnerCallback((err, result) => {
if(err) return callback(err);
if(result) return callback(null, result);
// Don't allow other description files or none at all
callback(null, null);
}, callback));
}));
});
}
}
module.exports = DescriptionFilePlugin;
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