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Contents?: true
Size: 1.54 KB
Versions: 117
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Stored size: 1.54 KB
Contents
'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
});
Version data entries
117 entries across 102 versions & 17 rubygems