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Copy path.eleventy.js
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60 lines (52 loc) · 2.16 KB
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const pkg = require("./package.json");
const Prism = require("prismjs");
const PrismLoader = require("./src/PrismLoader");
const hasTemplateFormat = require("./src/hasTemplateFormat");
const HighlightPairedShortcode = require("./src/HighlightPairedShortcode");
const LiquidHighlightTag = require("./src/LiquidHighlightTag");
const markdownPrismJs = require("./src/markdownSyntaxHighlightOptions");
module.exports = function(eleventyConfig, options){
try {
eleventyConfig.versionCheck(pkg["11ty"].compatibility);
} catch(e) {
console.log( `WARN: Eleventy Plugin (${pkg.name}) Compatibility: ${e.message}` );
}
options = Object.assign({
init: function({Prism}){},
lineSeparator: "\n",
errorOnInvalidLanguage: false,
alwaysWrapLineHighlights: false,
preAttributes: {},
codeAttributes: {},
languages: [],
}, options);
for(const language of options.languages){
PrismLoader(language)
}
if( hasTemplateFormat(options.templateFormats, "liquid") ) {
eleventyConfig.addLiquidTag("highlight", (liquidEngine) => {
// {% highlight js 0 2 %}
let highlight = new LiquidHighlightTag(liquidEngine);
return highlight.getObject(options);
});
}
if( hasTemplateFormat(options.templateFormats, "njk") ) {
eleventyConfig.addPairedNunjucksShortcode("highlight", (content, args) => {
// {% highlight "js 0 2-3" %}
let [language, ...highlightNumbers] = args.split(" ");
return HighlightPairedShortcode(content, language, highlightNumbers.join(" "), options);
});
}
if( hasTemplateFormat(options.templateFormats, "md") ) {
// ```js/0,2-3
eleventyConfig.addMarkdownHighlighter(markdownPrismJs(options));
}
// we need to add this as many template languages (Vue, WebC) rely on JavaScript functions (not just 11ty.js)
eleventyConfig.addJavaScriptFunction("highlight", (language, content, highlight1, highlight2) => {
let highlightLines = [highlight1, highlight2].filter(entry => entry).join(" ");
let result = HighlightPairedShortcode(content, language, highlightLines, options);
return result;
});
options.init({Prism})
};
module.exports.pairedShortcode = HighlightPairedShortcode;