24 lines
503 B
JavaScript
24 lines
503 B
JavaScript
"use strict";
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var fs = require("fs");
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/**
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* Read the file and cache the result
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* return the result in cache
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*
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* @example
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* var read = require('./helpers/fsExists')({});
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* read('.babelrc'); // file contents...
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*/
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module.exports = function (cache) {
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cache = cache || {};
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return function (filename) {
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if (!filename) {
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throw new Error("filename must be a string");
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}
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cache[filename] = cache[filename] || fs.readFileSync(filename, "utf8");
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return cache[filename];
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};
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}; |