60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
const pkg = require("./package.json");
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const Prism = require("prismjs");
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const PrismLoader = require("./src/PrismLoader");
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const hasTemplateFormat = require("./src/hasTemplateFormat");
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const HighlightPairedShortcode = require("./src/HighlightPairedShortcode");
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const LiquidHighlightTag = require("./src/LiquidHighlightTag");
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const markdownPrismJs = require("./src/markdownSyntaxHighlightOptions");
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module.exports = function(eleventyConfig, options){
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try {
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eleventyConfig.versionCheck(pkg["11ty"].compatibility);
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} catch(e) {
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console.log( `WARN: Eleventy Plugin (${pkg.name}) Compatibility: ${e.message}` );
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}
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options = Object.assign({
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init: function({Prism}){},
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lineSeparator: "\n",
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errorOnInvalidLanguage: false,
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alwaysWrapLineHighlights: false,
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preAttributes: {},
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codeAttributes: {},
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languages: [],
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}, options);
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for(const language of options.languages){
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PrismLoader(language)
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}
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if( hasTemplateFormat(options.templateFormats, "liquid") ) {
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eleventyConfig.addLiquidTag("highlight", (liquidEngine) => {
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// {% highlight js 0 2 %}
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let highlight = new LiquidHighlightTag(liquidEngine);
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return highlight.getObject(options);
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});
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}
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if( hasTemplateFormat(options.templateFormats, "njk") ) {
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eleventyConfig.addPairedNunjucksShortcode("highlight", (content, args) => {
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// {% highlight "js 0 2-3" %}
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let [language, ...highlightNumbers] = args.split(" ");
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return HighlightPairedShortcode(content, language, highlightNumbers.join(" "), options);
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});
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}
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if( hasTemplateFormat(options.templateFormats, "md") ) {
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// ```js/0,2-3
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eleventyConfig.addMarkdownHighlighter(markdownPrismJs(options));
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}
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// we need to add this as many template languages (Vue, WebC) rely on JavaScript functions (not just 11ty.js)
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eleventyConfig.addJavaScriptFunction("highlight", (language, content, highlight1, highlight2) => {
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let highlightLines = [highlight1, highlight2].filter(entry => entry).join(" ");
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let result = HighlightPairedShortcode(content, language, highlightLines, options);
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return result;
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});
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options.init({Prism})
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};
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module.exports.pairedShortcode = HighlightPairedShortcode;
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