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