22 lines
481 B
JavaScript
22 lines
481 B
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
var fs = require("fs");
|
||
|
|
/**
|
||
|
|
* Check if file exists and cache the result
|
||
|
|
* return the result in cache
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* var exists = require('./helpers/fsExists')({});
|
||
|
|
* exists('.babelrc'); // false
|
||
|
|
*/
|
||
|
|
module.exports = function (cache) {
|
||
|
|
cache = cache || {};
|
||
|
|
|
||
|
|
return function (filename) {
|
||
|
|
if (!filename) return false;
|
||
|
|
|
||
|
|
cache[filename] = cache[filename] || fs.existsSync(filename) && fs.statSync(filename).isFile();
|
||
|
|
|
||
|
|
return cache[filename];
|
||
|
|
};
|
||
|
|
};
|