flow like the river

VISUALIZACION/node_modules/serialize-to-js/lib/internal/utils.js

@@ -0,0 +1,109 @@
+/* eslint
+  no-new-func: 0
+*/
+
+'use strict'
+
+var UNSAFE_CHARS_REGEXP = /[\\\r\n\t<>\u2028\u2029"/]/g
+var CHARS_REGEXP = /[\\\r\n\t"]/g
+
+var UNICODE_CHARS = {
+  '"': '\\"',
+  '\n': '\\n',
+  '\r': '\\r',
+  '\t': '\\t',
+  '\\': '\\\\',
+  '<': '\\u003C',
+  '>': '\\u003E',
+  '/': '\\u002F',
+  '\u2028': '\\u2028',
+  '\u2029': '\\u2029'
+}
+
+function safeString (str) {
+  str = str.replace(UNSAFE_CHARS_REGEXP, function (unsafeChar) {
+    return UNICODE_CHARS[unsafeChar]
+  })
+  return str
+}
+exports.safeString = safeString
+
+function unsafeString (str) {
+  str = str.replace(CHARS_REGEXP, function (unsafeChar) {
+    return UNICODE_CHARS[unsafeChar]
+  })
+  return str
+}
+exports.unsafeString = unsafeString
+
+var isArray = exports.isArray = Array.isArray
+exports.isArray = isArray
+
+function isString (arg) {
+  return typeof arg === 'string'
+}
+exports.isString = isString
+
+function isNull (arg) {
+  return arg === null
+}
+exports.isNull = isNull
+
+function isRegExp (re) {
+  return isObject(re) && objectToString(re) === '[object RegExp]'
+}
+exports.isRegExp = isRegExp
+
+function isObject (arg) {
+  return typeof arg === 'object' && arg !== null
+}
+exports.isObject = isObject
+
+function isDate (d) {
+  return isObject(d) && objectToString(d) === '[object Date]'
+}
+exports.isDate = isDate
+
+function isError (e) {
+  return isObject(e) &&
+      (objectToString(e) === '[object Error]' || e instanceof Error)
+}
+exports.isError = isError
+
+function isFunction (arg) {
+  return typeof arg === 'function'
+}
+exports.isFunction = isFunction
+
+function isBuffer (arg) {
+  return arg instanceof Buffer
+}
+exports.isBuffer = isBuffer
+
+var TYPED_ARRAYS = [
+  'Int8Array',
+  'Uint8Array',
+  'Uint8ClampedArray',
+  'Int16Array',
+  'Uint16Array',
+  'Int32Array',
+  'Uint32Array',
+  'Float32Array',
+  'Float64Array'
+]
+
+function isTypedArray (arg) {
+  var type = toType(arg)
+  if (TYPED_ARRAYS.indexOf(type) !== -1) {
+    return type
+  }
+}
+exports.isTypedArray = isTypedArray
+
+function objectToString (o) {
+  return Object.prototype.toString.call(o)
+}
+
+function toType (o) {
+  return objectToString(o).replace(/^\[object (.*)\]$/, '$1')
+}