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Edit File: concord.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var globToRegExp = require("./globToRegExp").globToRegExp;

function parseType(type) {
	var items = type.split("+");
	var t = items.shift();
	return {
		type: t === "*" ? null : t,
		features: items
	};
}

function isTypeMatched(baseType, testedType) {
	if(typeof baseType === "string") baseType = parseType(baseType);
	if(typeof testedType === "string") testedType = parseType(testedType);
	if(testedType.type && testedType.type !== baseType.type) return false;
	return testedType.features.every(function(requiredFeature) {
		return baseType.features.indexOf(requiredFeature) >= 0;
	});
}

function isResourceTypeMatched(baseType, testedType) {
	baseType = baseType.split("/");
	testedType = testedType.split("/");
	if(baseType.length !== testedType.length) return false;
	for(var i = 0; i < baseType.length; i++) {
		if(!isTypeMatched(baseType[i], testedType[i]))
			return false;
	}
	return true;
}

function isResourceTypeSupported(context, type) {
	return context.supportedResourceTypes && context.supportedResourceTypes.some(function(supportedType) {
		return isResourceTypeMatched(supportedType, type);
	});
}

function isEnvironment(context, env) {
	return context.environments && context.environments.every(function(environment) {
		return isTypeMatched(environment, env);
	});
}

var globCache = {};

function getGlobRegExp(glob) {
	var regExp = globCache[glob] || (globCache[glob] = globToRegExp(glob));
	return regExp;
}

function matchGlob(glob, relativePath) {
	var regExp = getGlobRegExp(glob);
	return regExp.exec(relativePath);
}

function isGlobMatched(glob, relativePath) {
	return !!matchGlob(glob, relativePath);
}

function getMain(context, configuration) {
	return getField(context, configuration, "main");
}

function getExtensions(context, configuration) {
	return getField(context, configuration, "extensions");
}

function replaceMatcher(find) {
		switch(find) {
			case "/**":
				var m = match[index++];
				return m ? "/" + m : "";
			case "**":
			case "*":
				return match[index++];
		}
	}
}

exports.parseType = parseType;
exports.isTypeMatched = isTypeMatched;
exports.isResourceTypeSupported = isResourceTypeSupported;
exports.isEnvironment = isEnvironment;
exports.isGlobMatched = isGlobMatched;
exports.isConditionMatched = isConditionMatched;
exports.isKeyMatched = isKeyMatched;
exports.getField = getField;
exports.getMain = getMain;
exports.getExtensions = getExtensions;
exports.matchModule = matchModule;
exports.matchType = matchType;

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