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49 lines
1.4 KiB
49 lines
1.4 KiB
'use strict';
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var path = require('path'),
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fs = require('fs');
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var getOutputDirectory = require('./utility/get-output-directory');
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/**
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* Codec for relative paths with respect to the output directory.
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* @type {{name:string, decode: function, encode: function, root: function}}
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*/
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module.exports = {
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name : 'output-relative',
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decode: decode,
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encode: encode,
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root : getOutputDirectory
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};
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/**
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* Decode the given uri.
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* Any path with or without leading slash is tested against context directory.
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* @this {{options: object}} A loader or compilation
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* @param {string} uri A source uri to decode
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* @returns {boolean|string} False where unmatched else the decoded path
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*/
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function decode(uri) {
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/* jshint validthis:true */
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var base = getOutputDirectory.call(this),
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absFile = !!base && path.normalize(path.join(base, uri)),
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isValid = !!absFile && fs.existsSync(absFile) && fs.statSync(absFile).isFile();
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return isValid && absFile;
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}
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/**
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* Encode the given file path.
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* @this {{options: object}} A loader or compilation
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* @param {string} absolute An absolute file path to encode
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* @returns {string} A uri
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*/
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function encode(absolute) {
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/* jshint validthis:true */
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var base = getOutputDirectory.call(this);
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if (!base) {
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throw new Error('Cannot locate the Webpack output directory');
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}
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else {
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return path.relative(base, absolute);
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}
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}
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