Version 1

[yaffs-website] / node_modules / jsonfile / index.js

diff --git a/node_modules/jsonfile/index.js b/node_modules/jsonfile/index.js
new file mode 100644 (file)
index 0000000..7111e15
--- /dev/null
+++ b/node_modules/jsonfile/index.js
@@ -0,0 +1,133 @@
+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
+  }
+
+  var content = fs.readFileSync(file, options)
+  content = stripBom(content)
+
+  try {
+    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