kopia lustrzana https://github.com/c9/core
41 wiersze
908 B
JavaScript
41 wiersze
908 B
JavaScript
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"use strict";
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var fs = require("fs");
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/**
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* A "safe" JSON loader.
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*
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* When parsing JSON we must wrap it in a try/catch block to prevent parsing
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* errors from crashing our process.
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*
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* By wrapping json-parse as an async funciton we circumvent this problemn and
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* follow the node-conventions for next(err, result)
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*/
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function parse(str, done) {
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/**
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* JSON.parse can block the event loop. setImmediate will push calls to .parse
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* on a callback queue.
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*/
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setImmediate(function(){
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try {
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var data = JSON.parse(str);
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return done(null, data);
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}
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catch (err) {
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return done(err);
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}
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});
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}
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module.exports.parse = parse;
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function load(path, done) {
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fs.readFile(path, function(err, buf) {
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if (err) return done(err);
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return parse(buf.toString(), done);
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});
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}
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module.exports.load = load;
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