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- function getArg(aArgs, aName, aDefaultValue) {
- if (aName in aArgs) {
- return aArgs[aName];
- } else if (arguments.length === 3) {
- return aDefaultValue;
- } else {
- throw new Error('"' + aName + '" is a required argument.');
- }
- }
- exports.getArg = getArg;
- var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
- var dataUrlRegexp = /^data:.+\,.+$/;
- function urlParse(aUrl) {
- var match = aUrl.match(urlRegexp);
- if (!match) {
- return null;
- }
- return {
- scheme: match[1],
- auth: match[2],
- host: match[3],
- port: match[4],
- path: match[5]
- };
- }
- exports.urlParse = urlParse;
- function urlGenerate(aParsedUrl) {
- var url = '';
- if (aParsedUrl.scheme) {
- url += aParsedUrl.scheme + ':';
- }
- url += '//';
- if (aParsedUrl.auth) {
- url += aParsedUrl.auth + '@';
- }
- if (aParsedUrl.host) {
- url += aParsedUrl.host;
- }
- if (aParsedUrl.port) {
- url += ":" + aParsedUrl.port
- }
- if (aParsedUrl.path) {
- url += aParsedUrl.path;
- }
- return url;
- }
- exports.urlGenerate = urlGenerate;
- function normalize(aPath) {
- var path = aPath;
- var url = urlParse(aPath);
- if (url) {
- if (!url.path) {
- return aPath;
- }
- path = url.path;
- }
- var isAbsolute = exports.isAbsolute(path);
- var parts = path.split(/\/+/);
- for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
- part = parts[i];
- if (part === '.') {
- parts.splice(i, 1);
- } else if (part === '..') {
- up++;
- } else if (up > 0) {
- if (part === '') {
-
-
-
- parts.splice(i + 1, up);
- up = 0;
- } else {
- parts.splice(i, 2);
- up--;
- }
- }
- }
- path = parts.join('/');
- if (path === '') {
- path = isAbsolute ? '/' : '.';
- }
- if (url) {
- url.path = path;
- return urlGenerate(url);
- }
- return path;
- }
- exports.normalize = normalize;
- function join(aRoot, aPath) {
- if (aRoot === "") {
- aRoot = ".";
- }
- if (aPath === "") {
- aPath = ".";
- }
- var aPathUrl = urlParse(aPath);
- var aRootUrl = urlParse(aRoot);
- if (aRootUrl) {
- aRoot = aRootUrl.path || '/';
- }
-
- if (aPathUrl && !aPathUrl.scheme) {
- if (aRootUrl) {
- aPathUrl.scheme = aRootUrl.scheme;
- }
- return urlGenerate(aPathUrl);
- }
- if (aPathUrl || aPath.match(dataUrlRegexp)) {
- return aPath;
- }
-
- if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
- aRootUrl.host = aPath;
- return urlGenerate(aRootUrl);
- }
- var joined = aPath.charAt(0) === '/'
- ? aPath
- : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
- if (aRootUrl) {
- aRootUrl.path = joined;
- return urlGenerate(aRootUrl);
- }
- return joined;
- }
- exports.join = join;
- exports.isAbsolute = function (aPath) {
- return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
- };
- function relative(aRoot, aPath) {
- if (aRoot === "") {
- aRoot = ".";
- }
- aRoot = aRoot.replace(/\/$/, '');
-
-
-
-
- var level = 0;
- while (aPath.indexOf(aRoot + '/') !== 0) {
- var index = aRoot.lastIndexOf("/");
- if (index < 0) {
- return aPath;
- }
-
-
-
- aRoot = aRoot.slice(0, index);
- if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
- return aPath;
- }
- ++level;
- }
-
- return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
- }
- exports.relative = relative;
- var supportsNullProto = (function () {
- var obj = Object.create(null);
- return !('__proto__' in obj);
- }());
- function identity (s) {
- return s;
- }
- function toSetString(aStr) {
- if (isProtoString(aStr)) {
- return '$' + aStr;
- }
- return aStr;
- }
- exports.toSetString = supportsNullProto ? identity : toSetString;
- function fromSetString(aStr) {
- if (isProtoString(aStr)) {
- return aStr.slice(1);
- }
- return aStr;
- }
- exports.fromSetString = supportsNullProto ? identity : fromSetString;
- function isProtoString(s) {
- if (!s) {
- return false;
- }
- var length = s.length;
- if (length < 9 ) {
- return false;
- }
- if (s.charCodeAt(length - 1) !== 95 ||
- s.charCodeAt(length - 2) !== 95 ||
- s.charCodeAt(length - 3) !== 111 ||
- s.charCodeAt(length - 4) !== 116 ||
- s.charCodeAt(length - 5) !== 111 ||
- s.charCodeAt(length - 6) !== 114 ||
- s.charCodeAt(length - 7) !== 112 ||
- s.charCodeAt(length - 8) !== 95 ||
- s.charCodeAt(length - 9) !== 95 ) {
- return false;
- }
- for (var i = length - 10; i >= 0; i--) {
- if (s.charCodeAt(i) !== 36 ) {
- return false;
- }
- }
- return true;
- }
- function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
- var cmp = strcmp(mappingA.source, mappingB.source);
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalLine - mappingB.originalLine;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalColumn - mappingB.originalColumn;
- if (cmp !== 0 || onlyCompareOriginal) {
- return cmp;
- }
- cmp = mappingA.generatedColumn - mappingB.generatedColumn;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.generatedLine - mappingB.generatedLine;
- if (cmp !== 0) {
- return cmp;
- }
- return strcmp(mappingA.name, mappingB.name);
- }
- exports.compareByOriginalPositions = compareByOriginalPositions;
- function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
- var cmp = mappingA.generatedLine - mappingB.generatedLine;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.generatedColumn - mappingB.generatedColumn;
- if (cmp !== 0 || onlyCompareGenerated) {
- return cmp;
- }
- cmp = strcmp(mappingA.source, mappingB.source);
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalLine - mappingB.originalLine;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalColumn - mappingB.originalColumn;
- if (cmp !== 0) {
- return cmp;
- }
- return strcmp(mappingA.name, mappingB.name);
- }
- exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
- function strcmp(aStr1, aStr2) {
- if (aStr1 === aStr2) {
- return 0;
- }
- if (aStr1 === null) {
- return 1;
- }
- if (aStr2 === null) {
- return -1;
- }
- if (aStr1 > aStr2) {
- return 1;
- }
- return -1;
- }
- function compareByGeneratedPositionsInflated(mappingA, mappingB) {
- var cmp = mappingA.generatedLine - mappingB.generatedLine;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.generatedColumn - mappingB.generatedColumn;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = strcmp(mappingA.source, mappingB.source);
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalLine - mappingB.originalLine;
- if (cmp !== 0) {
- return cmp;
- }
- cmp = mappingA.originalColumn - mappingB.originalColumn;
- if (cmp !== 0) {
- return cmp;
- }
- return strcmp(mappingA.name, mappingB.name);
- }
- exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
- function parseSourceMapInput(str) {
- return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
- }
- exports.parseSourceMapInput = parseSourceMapInput;
- function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
- sourceURL = sourceURL || '';
- if (sourceRoot) {
-
- if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
- sourceRoot += '/';
- }
-
-
-
-
-
- sourceURL = sourceRoot + sourceURL;
- }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- if (sourceMapURL) {
- var parsed = urlParse(sourceMapURL);
- if (!parsed) {
- throw new Error("sourceMapURL could not be parsed");
- }
- if (parsed.path) {
-
- var index = parsed.path.lastIndexOf('/');
- if (index >= 0) {
- parsed.path = parsed.path.substring(0, index + 1);
- }
- }
- sourceURL = join(urlGenerate(parsed), sourceURL);
- }
- return normalize(sourceURL);
- }
- exports.computeSourceURL = computeSourceURL;
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