96 lines
1.9 KiB
JavaScript
Executable File
96 lines
1.9 KiB
JavaScript
Executable File
'use strict';
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var path = require('path');
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var isAbsolute = require('is-absolute');
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var pathRoot = require('path-root');
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var MapCache = require('map-cache');
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var cache = new MapCache();
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module.exports = function(filepath) {
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if (typeof filepath !== 'string') {
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throw new TypeError('parse-filepath expects a string');
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}
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if (cache.has(filepath)) {
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return cache.get(filepath);
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}
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var obj = {};
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if (typeof path.parse === 'function') {
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obj = path.parse(filepath);
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obj.extname = obj.ext;
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obj.basename = obj.base;
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obj.dirname = obj.dir;
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obj.stem = obj.name;
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} else {
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define(obj, 'root', function() {
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return pathRoot(this.path);
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});
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define(obj, 'extname', function() {
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return path.extname(filepath);
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});
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define(obj, 'ext', function() {
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return this.extname;
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});
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define(obj, 'name', function() {
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return path.basename(filepath, this.ext);
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});
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define(obj, 'stem', function() {
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return this.name;
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});
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define(obj, 'base', function() {
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return this.name + this.ext;
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});
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define(obj, 'basename', function() {
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return this.base;
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});
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define(obj, 'dir', function() {
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var dir = path.dirname(filepath);
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if (dir === '.') {
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return (filepath[0] === '.') ? dir : '';
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} else {
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return dir;
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}
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});
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define(obj, 'dirname', function() {
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return this.dir;
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});
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}
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obj.path = filepath;
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define(obj, 'absolute', function() {
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return path.resolve(this.path);
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});
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define(obj, 'isAbsolute', function() {
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return isAbsolute(this.path);
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});
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cache.set(filepath, obj);
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return obj;
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};
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function define(obj, prop, fn) {
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var cached;
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Object.defineProperty(obj, prop, {
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configurable: true,
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enumerable: true,
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set: function(val) {
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cached = val;
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},
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get: function() {
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return cached || (cached = fn.call(obj));
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}
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});
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}
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