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