+++ /dev/null
-'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
-});