1
mergeInto(LibraryManager.library, {
4
// split a filename into [root, dir, basename, ext], unix version
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// 'root' is just a slash, or nothing.
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splitPath: function(filename) {
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var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
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return splitPathRe.exec(filename).slice(1);
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normalizeArray: function(parts, allowAboveRoot) {
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// if the path tries to go above the root, `up` ends up > 0
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for (var i = parts.length - 1; i >= 0; i--) {
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} else if (last === '..') {
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// if the path is allowed to go above the root, restore leading ..s
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normalize: function(path) {
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var isAbsolute = path.charAt(0) === '/',
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trailingSlash = path.substr(-1) === '/';
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path = PATH.normalizeArray(path.split('/').filter(function(p) {
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}), !isAbsolute).join('/');
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if (!path && !isAbsolute) {
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if (path && trailingSlash) {
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return (isAbsolute ? '/' : '') + path;
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dirname: function(path) {
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var result = PATH.splitPath(path),
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// No dirname whatsoever
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// It has a dirname, strip trailing slash
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dir = dir.substr(0, dir.length - 1);
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basename: function(path, ext) {
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// EMSCRIPTEN return '/'' for '/', not an empty string
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if (path === '/') return '/';
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var f = PATH.splitPath(path)[2];
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if (ext && f.substr(-1 * ext.length) === ext) {
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f = f.substr(0, f.length - ext.length);
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extname: function(path) {
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return PATH.splitPath(path)[3];
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var paths = Array.prototype.slice.call(arguments, 0);
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return PATH.normalize(paths.filter(function(p, index) {
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if (typeof p !== 'string') {
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throw new TypeError('Arguments to path.join must be strings');
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var resolvedPath = '',
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resolvedAbsolute = false;
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for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
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var path = (i >= 0) ? arguments[i] : FS.cwd();
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// Skip empty and invalid entries
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if (typeof path !== 'string') {
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throw new TypeError('Arguments to path.resolve must be strings');
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resolvedPath = path + '/' + resolvedPath;
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resolvedAbsolute = path.charAt(0) === '/';
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// At this point the path should be resolved to a full absolute path, but
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// handle relative paths to be safe (might happen when process.cwd() fails)
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resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
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}), !resolvedAbsolute).join('/');
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return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
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relative: function(from, to) {
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from = PATH.resolve(from).substr(1);
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to = PATH.resolve(to).substr(1);
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for (; start < arr.length; start++) {
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if (arr[start] !== '') break;
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var end = arr.length - 1;
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for (; end >= 0; end--) {
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if (arr[end] !== '') break;
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if (start > end) return [];
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return arr.slice(start, end - start + 1);
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var fromParts = trim(from.split('/'));
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var toParts = trim(to.split('/'));
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var length = Math.min(fromParts.length, toParts.length);
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var samePartsLength = length;
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for (var i = 0; i < length; i++) {
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if (fromParts[i] !== toParts[i]) {
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var outputParts = [];
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for (var i = samePartsLength; i < fromParts.length; i++) {
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outputParts.push('..');
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outputParts = outputParts.concat(toParts.slice(samePartsLength));
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return outputParts.join('/');
b'\\ No newline at end of file'