source: node_modules/prismjs/components/prism-yaml.js

(function (Prism) {

        // https://yaml.org/spec/1.2/spec.html#c-ns-anchor-property
        // https://yaml.org/spec/1.2/spec.html#c-ns-alias-node
        var anchorOrAlias = /[*&][^\s[\]{},]+/;
        // https://yaml.org/spec/1.2/spec.html#c-ns-tag-property
        var tag = /!(?:<[\w\-%#;/?:@&=+$,.!~*'()[\]]+>|(?:[a-zA-Z\d-]*!)?[\w\-%#;/?:@&=+$.~*'()]+)?/;
        // https://yaml.org/spec/1.2/spec.html#c-ns-properties(n,c)
        var properties = '(?:' + tag.source + '(?:[ \t]+' + anchorOrAlias.source + ')?|'
                + anchorOrAlias.source + '(?:[ \t]+' + tag.source + ')?)';
        // https://yaml.org/spec/1.2/spec.html#ns-plain(n,c)
        // This is a simplified version that doesn't support "#" and multiline keys
        // All these long scarry character classes are simplified versions of YAML's characters
        var plainKey = /(?:[^\s\x00-\x08\x0e-\x1f!"#%&'*,\-:>?@[\]`{|}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]|[?:-]<PLAIN>)(?:[ \t]*(?:(?![#:])<PLAIN>|:<PLAIN>))*/.source
                .replace(/<PLAIN>/g, function () { return /[^\s\x00-\x08\x0e-\x1f,[\]{}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]/.source; });
        var string = /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/.source;

        /**
         *
         * @param {string} value
         * @param {string} [flags]
         * @returns {RegExp}
         */
        function createValuePattern(value, flags) {
                flags = (flags || '').replace(/m/g, '') + 'm'; // add m flag
                var pattern = /([:\-,[{]\s*(?:\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|\]|\}|(?:[\r\n]\s*)?#))/.source
                        .replace(/<<prop>>/g, function () { return properties; }).replace(/<<value>>/g, function () { return value; });
                return RegExp(pattern, flags);
        }

        Prism.languages.yaml = {
                'scalar': {
                        pattern: RegExp(/([\-:]\s*(?:\s<<prop>>[ \t]+)?[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)\S[^\r\n]*(?:\2[^\r\n]+)*)/.source
                                .replace(/<<prop>>/g, function () { return properties; })),
                        lookbehind: true,
                        alias: 'string'
                },
                'comment': /#.*/,
                'key': {
                        pattern: RegExp(/((?:^|[:\-,[{\r\n?])[ \t]*(?:<<prop>>[ \t]+)?)<<key>>(?=\s*:\s)/.source
                                .replace(/<<prop>>/g, function () { return properties; })
                                .replace(/<<key>>/g, function () { return '(?:' + plainKey + '|' + string + ')'; })),
                        lookbehind: true,
                        greedy: true,
                        alias: 'atrule'
                },
                'directive': {
                        pattern: /(^[ \t]*)%.+/m,
                        lookbehind: true,
                        alias: 'important'
                },
                'datetime': {
                        pattern: createValuePattern(/\d{4}-\d\d?-\d\d?(?:[tT]|[ \t]+)\d\d?:\d{2}:\d{2}(?:\.\d*)?(?:[ \t]*(?:Z|[-+]\d\d?(?::\d{2})?))?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(?::\d{2}(?:\.\d*)?)?/.source),
                        lookbehind: true,
                        alias: 'number'
                },
                'boolean': {
                        pattern: createValuePattern(/false|true/.source, 'i'),
                        lookbehind: true,
                        alias: 'important'
                },
                'null': {
                        pattern: createValuePattern(/null|~/.source, 'i'),
                        lookbehind: true,
                        alias: 'important'
                },
                'string': {
                        pattern: createValuePattern(string),
                        lookbehind: true,
                        greedy: true
                },
                'number': {
                        pattern: createValuePattern(/[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?|\.inf|\.nan)/.source, 'i'),
                        lookbehind: true
                },
                'tag': tag,
                'important': anchorOrAlias,
                'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./
        };

        Prism.languages.yml = Prism.languages.yaml;

}(Prism));