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Direktori : /proc/self/root/lib/node_modules/pm2/node_modules/jsonfile/ |
Current File : //proc/self/root/lib/node_modules/pm2/node_modules/jsonfile/index.js |
var _fs try { _fs = require('graceful-fs') } catch (_) { _fs = require('fs') } function readFile (file, options, callback) { if (callback == null) { callback = options options = {} } if (typeof options === 'string') { options = {encoding: options} } options = options || {} var fs = options.fs || _fs var shouldThrow = true if ('throws' in options) { shouldThrow = options.throws } fs.readFile(file, options, function (err, data) { if (err) return callback(err) data = stripBom(data) var obj try { obj = JSON.parse(data, options ? options.reviver : null) } catch (err2) { if (shouldThrow) { err2.message = file + ': ' + err2.message return callback(err2) } else { return callback(null, null) } } callback(null, obj) }) } function readFileSync (file, options) { options = options || {} if (typeof options === 'string') { options = {encoding: options} } var fs = options.fs || _fs var shouldThrow = true if ('throws' in options) { shouldThrow = options.throws } try { var content = fs.readFileSync(file, options) content = stripBom(content) return JSON.parse(content, options.reviver) } catch (err) { if (shouldThrow) { err.message = file + ': ' + err.message throw err } else { return null } } } function stringify (obj, options) { var spaces var EOL = '\n' if (typeof options === 'object' && options !== null) { if (options.spaces) { spaces = options.spaces } if (options.EOL) { EOL = options.EOL } } var str = JSON.stringify(obj, options ? options.replacer : null, spaces) return str.replace(/\n/g, EOL) + EOL } function writeFile (file, obj, options, callback) { if (callback == null) { callback = options options = {} } options = options || {} var fs = options.fs || _fs var str = '' try { str = stringify(obj, options) } catch (err) { // Need to return whether a callback was passed or not if (callback) callback(err, null) return } fs.writeFile(file, str, options, callback) } function writeFileSync (file, obj, options) { options = options || {} var fs = options.fs || _fs var str = stringify(obj, options) // not sure if fs.writeFileSync returns anything, but just in case return fs.writeFileSync(file, str, options) } function stripBom (content) { // we do this because JSON.parse would convert it to a utf8 string if encoding wasn't specified if (Buffer.isBuffer(content)) content = content.toString('utf8') content = content.replace(/^\uFEFF/, '') return content } var jsonfile = { readFile: readFile, readFileSync: readFileSync, writeFile: writeFile, writeFileSync: writeFileSync } module.exports = jsonfile