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author | Florian Dold <florian.dold@gmail.com> | 2017-05-24 15:10:37 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-24 15:11:17 +0200 |
commit | 7a3df06eb573d36142bd1a8e03c5ce8752d300b3 (patch) | |
tree | 70bfaea8884c374876f607774850a3a51c0cb381 /node_modules/jsonfile/index.js | |
parent | aca1143cb9eed16cf37f04e475e4257418dd18ac (diff) | |
download | wallet-core-7a3df06eb573d36142bd1a8e03c5ce8752d300b3.tar.xz |
fix build issues and add typedoc
Diffstat (limited to 'node_modules/jsonfile/index.js')
-rw-r--r-- | node_modules/jsonfile/index.js | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/node_modules/jsonfile/index.js b/node_modules/jsonfile/index.js new file mode 100644 index 000000000..5ac06cfff --- /dev/null +++ b/node_modules/jsonfile/index.js @@ -0,0 +1,132 @@ +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 + // DO NOT USE 'passParsingErrors' THE NAME WILL CHANGE!!!, use 'throws' instead + if ('passParsingErrors' in options) { + shouldThrow = options.passParsingErrors + } else 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 + // DO NOT USE 'passParsingErrors' THE NAME WILL CHANGE!!!, use 'throws' instead + if ('passParsingErrors' in options) { + shouldThrow = options.passParsingErrors + } else 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 writeFile (file, obj, options, callback) { + if (callback == null) { + callback = options + options = {} + } + options = options || {} + var fs = options.fs || _fs + + var spaces = typeof options === 'object' && options !== null + ? 'spaces' in options + ? options.spaces : this.spaces + : this.spaces + + var str = '' + try { + str = JSON.stringify(obj, options ? options.replacer : null, spaces) + '\n' + } catch (err) { + if (callback) return callback(err, null) + } + + fs.writeFile(file, str, options, callback) +} + +function writeFileSync (file, obj, options) { + options = options || {} + var fs = options.fs || _fs + + var spaces = typeof options === 'object' && options !== null + ? 'spaces' in options + ? options.spaces : this.spaces + : this.spaces + + var str = JSON.stringify(obj, options.replacer, spaces) + '\n' + // 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 = { + spaces: null, + readFile: readFile, + readFileSync: readFileSync, + writeFile: writeFile, + writeFileSync: writeFileSync +} + +module.exports = jsonfile |