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

(function (Prism) {

        Prism.languages.handlebars = {
                'comment': /\{\{![\s\S]*?\}\}/,
                'delimiter': {
                        pattern: /^\{\{\{?|\}\}\}?$/,
                        alias: 'punctuation'
                },
                'string': /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
                'number': /\b0x[\dA-Fa-f]+\b|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:[Ee][+-]?\d+)?/,
                'boolean': /\b(?:false|true)\b/,
                'block': {
                        pattern: /^(\s*(?:~\s*)?)[#\/]\S+?(?=\s*(?:~\s*)?$|\s)/,
                        lookbehind: true,
                        alias: 'keyword'
                },
                'brackets': {
                        pattern: /\[[^\]]+\]/,
                        inside: {
                                punctuation: /\[|\]/,
                                variable: /[\s\S]+/
                        }
                },
                'punctuation': /[!"#%&':()*+,.\/;<=>@\[\\\]^`{|}~]/,
                'variable': /[^!"#%&'()*+,\/;<=>@\[\\\]^`{|}~\s]+/
        };

        Prism.hooks.add('before-tokenize', function (env) {
                var handlebarsPattern = /\{\{\{[\s\S]+?\}\}\}|\{\{[\s\S]+?\}\}/g;
                Prism.languages['markup-templating'].buildPlaceholders(env, 'handlebars', handlebarsPattern);
        });

        Prism.hooks.add('after-tokenize', function (env) {
                Prism.languages['markup-templating'].tokenizePlaceholders(env, 'handlebars');
        });

        Prism.languages.hbs = Prism.languages.handlebars;
        Prism.languages.mustache = Prism.languages.handlebars;

}(Prism));