64 lines
1.7 KiB
Plaintext
64 lines
1.7 KiB
Plaintext
'use strict';
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var type_1 = require("../../type");
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function resolveJavascriptRegExp(data) {
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if (null === data) {
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return false;
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}
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if (0 === data.length) {
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return false;
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}
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var regexp = data, tail = /\/([gim]*)$/.exec(data), modifiers = '';
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if ('/' === regexp[0]) {
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if (tail) {
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modifiers = tail[1];
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}
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if (modifiers.length > 3) {
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return false;
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}
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if (regexp[regexp.length - modifiers.length - 1] !== '/') {
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return false;
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}
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regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
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}
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try {
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var dummy = new RegExp(regexp, modifiers);
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return true;
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}
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catch (error) {
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return false;
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}
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}
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function constructJavascriptRegExp(data) {
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var regexp = data, tail = /\/([gim]*)$/.exec(data), modifiers = '';
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if ('/' === regexp[0]) {
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if (tail) {
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modifiers = tail[1];
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}
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regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
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}
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return new RegExp(regexp, modifiers);
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}
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function representJavascriptRegExp(object) {
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var result = '/' + object.source + '/';
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if (object.global) {
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result += 'g';
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}
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if (object.multiline) {
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result += 'm';
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}
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if (object.ignoreCase) {
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result += 'i';
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}
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return result;
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}
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function isRegExp(object) {
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return '[object RegExp]' === Object.prototype.toString.call(object);
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}
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module.exports = new type_1.Type('tag:yaml.org,2002:js/regexp', {
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kind: 'scalar',
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resolve: resolveJavascriptRegExp,
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construct: constructJavascriptRegExp,
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predicate: isRegExp,
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represent: representJavascriptRegExp
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});
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//# sourceMappingURL=regexp.js.map |