35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
const Prism = require("prismjs");
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const PrismLoader = require("./PrismLoader");
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const HighlightLinesGroup = require("./HighlightLinesGroup");
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const getAttributes = require("./getAttributes");
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module.exports = function (content, language, highlightNumbers, options = {}) {
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// default to on
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if(options.trim === undefined || options.trim === true) {
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content = content.trim();
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}
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let highlightedContent;
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if( language === "text" ) {
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highlightedContent = content;
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} else {
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highlightedContent = Prism.highlight(content, PrismLoader(language), language);
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}
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let group = new HighlightLinesGroup(highlightNumbers);
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let lines = highlightedContent.split(/\r?\n/);
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lines = lines.map(function(line, j) {
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if(options.alwaysWrapLineHighlights || highlightNumbers) {
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let lineContent = group.getLineMarkup(j, line);
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return lineContent;
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}
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return line;
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});
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const context = { content: content, language: language, options: options };
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const preAttributes = getAttributes(options.preAttributes, context);
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const codeAttributes = getAttributes(options.codeAttributes, context);
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return `<pre${preAttributes}><code${codeAttributes}>` + lines.join(options.lineSeparator || "<br>") + "</code></pre>";
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};
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