lca2020-pay-it-forward/lib/js/data-markdown.js

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// From https://gist.github.com/1343518
// Modified by Hakim to handle markdown indented with tabs
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(function(){
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[].forEach.call( document.querySelectorAll('[data-markdown]'), function fn(elem){
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// strip leading whitespace so it isn't evaluated as code
var text = elem.innerHTML;
var leadingWs = text.match(/^\n?(\s*)/)[1].length,
leadingTabs = text.match(/^\n?(\t*)/)[1].length;
if( leadingTabs > 0 ) {
text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
}
else if( leadingWs > 1 ) {
text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
}
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// here, have sum HTML
elem.innerHTML = (new Showdown.converter()).makeHtml(text);
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});
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})();