Version 1

[yaffs-website] / node_modules / grunt / node_modules / js-yaml / lib / js-yaml / type / js / regexp.js

diff --git a/node_modules/grunt/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js b/node_modules/grunt/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js
new file mode 100644 (file)
index 0000000..43fa470
--- /dev/null
+++ b/node_modules/grunt/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js
@@ -0,0 +1,60 @@
+'use strict';
+
+var Type = require('../../type');
+
+function resolveJavascriptRegExp(data) {
+  if (data === null) return false;
+  if (data.length === 0) return false;
+
+  var regexp = data,
+      tail   = /\/([gim]*)$/.exec(data),
+      modifiers = '';
+
+  // if regexp starts with '/' it can have modifiers and must be properly closed
+  // `/foo/gim` - modifiers tail can be maximum 3 chars
+  if (regexp[0] === '/') {
+    if (tail) modifiers = tail[1];
+
+    if (modifiers.length > 3) return false;
+    // if expression starts with /, is should be properly terminated
+    if (regexp[regexp.length - modifiers.length - 1] !== '/') return false;
+  }
+
+  return true;
+}
+
+function constructJavascriptRegExp(data) {
+  var regexp = data,
+      tail   = /\/([gim]*)$/.exec(data),
+      modifiers = '';
+
+  // `/foo/gim` - tail can be maximum 4 chars
+  if (regexp[0] === '/') {
+    if (tail) modifiers = tail[1];
+    regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
+  }
+
+  return new RegExp(regexp, modifiers);
+}
+
+function representJavascriptRegExp(object /*, style*/) {
+  var result = '/' + object.source + '/';
+
+  if (object.global) result += 'g';
+  if (object.multiline) result += 'm';
+  if (object.ignoreCase) result += 'i';
+
+  return result;
+}
+
+function isRegExp(object) {
+  return Object.prototype.toString.call(object) === '[object RegExp]';
+}
+
+module.exports = new Type('tag:yaml.org,2002:js/regexp', {
+  kind: 'scalar',
+  resolve: resolveJavascriptRegExp,
+  construct: constructJavascriptRegExp,
+  predicate: isRegExp,
+  represent: representJavascriptRegExp
+});