From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/js-yaml/lib/js-yaml/type/js/regexp.js | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 node_modules/js-yaml/lib/js-yaml/type/js/regexp.js (limited to 'node_modules/js-yaml/lib/js-yaml/type/js/regexp.js') diff --git a/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js b/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js new file mode 100644 index 0000000..43fa470 --- /dev/null +++ b/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 +}); -- cgit v1.2.3