Sha256: cb83cd268cb5c653b44056696938542cfd22bbdbb9db782d2faba2490dfee6bc
Contents?: true
Size: 1.31 KB
Versions: 6
Compression:
Stored size: 1.31 KB
Contents
'use strict';
var getFieldAsFn = require('./get-field-as-fn'),
CustomError = require('./get-error');
/**
* Locate the root for input sources using the given codec hash
* @throws Error Where the given codec is missing an encode function
* @this {object} A loader or compilation
* @param {{encode:function}} codec A single codec with an `encode` function
* @returns {function(string):string|Error} An encode function that takes an absolute path
*/
function locateRootWith(codec) {
/* jshint validthis:true */
var context = this,
root = getFieldAsFn('root')(codec);
if (!root) {
return new CustomError('Specified format does not support encoding (it lacks a "root" function)');
}
else {
return function locate() {
// call the root
var located;
try {
located = root.call(context);
}
catch (exception) {
return getNamedError(exception);
}
return located;
function getNamedError(details) {
var name = codec.name || '(unnamed)',
message = [
'Locating root with codec: ' + name,
details && (details.stack ? details.stack : details)
]
.filter(Boolean)
.join('\n');
return new Error(message);
}
};
}
}
module.exports = locateRootWith;
Version data entries
6 entries across 6 versions & 3 rubygems