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August 29, 2015 14:19
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Showdown Gist
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| // | |
| // Main Angular Application | |
| // | |
| angular.module('MyApp', ['markdown']) | |
| .config(function(markdownProvider) { | |
| markdownProvider.config({ | |
| extensions: ['table','gist'] | |
| }); | |
| }); |
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| // | |
| // Gist Extension (WIP) | |
| // ^^gist:[id] -> <script src="https://gist.github.com/[id].js"></script> | |
| // | |
| (function(){ | |
| var gist = function(converter) { | |
| return [ | |
| { | |
| type : 'lang', | |
| regex : '\\B(\\\\)?\\^{2}gist\\:([a-zA-Z0-9\\/]+)\\b', | |
| replace : function (a,b,c) { | |
| if (typeof module !== 'undefined') { | |
| // | |
| // If module exists, then assume this is node, and render just the regular embed | |
| // | |
| return b === "\\" ? a : '<scri'+'pt src="https://gist.github.com/'+c+'.js"></scr'+'ipt>'; | |
| } else { | |
| // | |
| // This is client side, to avoid the `document.write` problem, render an iframe with the | |
| // gist content inside. | |
| // | |
| if (b === "\\") { | |
| return a; | |
| } else { | |
| var gistId = c; | |
| var _iframeId = gistId.replace(/\W/g,""); | |
| var _script = ""; | |
| _script += "var iframe = document.getElementById('"+_iframeId+"');\n"; | |
| _script += "var iframeHtml = '<html><head><base target=\"_parent\"><style>body {margin: 0; padding: 0;}</style></head><body onload=\"parent.document.getElementById(\\\'" + _iframeId + "\\\').style.height=document.body.scrollHeight + \\'px\\'\"><scr' + 'ipt type=\"text/javascript\" src=\"https://gist.github.com/" + gistId + ".js\"></sc'+'ript></body></html>';\n"; | |
| _script += "var doc = iframe.document;"; | |
| _script += "if (iframe.contentDocument) doc = iframe.contentDocument;\n"; | |
| _script += "else if (iframe.contentWindow) doc = iframe.contentWindow.document;\n"; | |
| _script += "doc.open();doc.writeln(iframeHtml);doc.close();"; | |
| return "<script>"+_script+"</script><iframe id='"+_iframeId+"' frameborder='0' width='100%'></iframe>"; | |
| } | |
| } | |
| } | |
| } | |
| ]; | |
| }; | |
| // Client-side export | |
| if (typeof window !== 'undefined' && window.Showdown && window.Showdown.extensions) { | |
| window.Showdown.extensions.gist = gist; | |
| } | |
| // Server-side export | |
| if (typeof module !== 'undefined') { | |
| module.exports = gist; | |
| } | |
| }()); |
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| // | |
| // Angular Markdown filter to work with Showdown | |
| // | |
| angular.module('markdown', []) | |
| .provider('markdown', function () { | |
| var opts = {}; | |
| return { | |
| config: function (newOpts) { | |
| opts = newOpts; | |
| }, | |
| $get: function () { | |
| return new Showdown.converter(opts); | |
| } | |
| }; | |
| }) | |
| .filter('markdown', ['$sce', 'markdown', function ($sce, markdown) { | |
| return function (text) { | |
| if(text == null) text = ''; | |
| var html = markdown.makeHtml(text); | |
| return $sce.trustAsHtml(html); | |
| }; | |
| }]); |
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Works as both an Express Module, and as an Angular Filter