101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
import markdownIt from "markdown-it";
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import TemplateEngine from "./TemplateEngine.js";
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export default class Markdown extends TemplateEngine {
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constructor(name, eleventyConfig) {
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super(name, eleventyConfig);
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this.markdownOptions = {};
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this.setLibrary(this.config.libraryOverrides.md);
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}
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get cacheable() {
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return true;
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}
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setLibrary(mdLib) {
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this.mdLib = mdLib || markdownIt(this.getMarkdownOptions());
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// Overrides a highlighter set in `markdownOptions`
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// This is separate so devs can pass in a new mdLib and still use the official eleventy plugin for markdown highlighting
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if (this.config.markdownHighlighter && typeof this.mdLib.set === "function") {
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this.mdLib.set({
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highlight: this.config.markdownHighlighter,
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});
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}
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if (typeof this.mdLib.disable === "function") {
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// Disable indented code blocks by default (Issue #2438)
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this.mdLib.disable("code");
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}
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this.setEngineLib(this.mdLib, Boolean(this.config.libraryOverrides.md));
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}
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setMarkdownOptions(options) {
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this.markdownOptions = options;
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}
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getMarkdownOptions() {
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// work with "mode" presets https://github.com/markdown-it/markdown-it#init-with-presets-and-options
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if (typeof this.markdownOptions === "string") {
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return this.markdownOptions;
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}
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return Object.assign(
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{
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html: true,
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},
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this.markdownOptions || {},
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);
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}
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// TODO use preTemplateEngine to help inform this
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// needsCompilation() {
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// return super.needsCompilation();
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// }
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async #getPreEngine(preTemplateEngine) {
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if (typeof preTemplateEngine === "string") {
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return this.engineManager.getEngine(preTemplateEngine, this.extensionMap);
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}
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return preTemplateEngine;
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}
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async compile(str, inputPath, preTemplateEngine, bypassMarkdown) {
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let mdlib = this.mdLib;
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if (preTemplateEngine) {
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let engine = await this.#getPreEngine(preTemplateEngine);
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let fnReady = engine.compile(str, inputPath);
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if (bypassMarkdown) {
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return async function (data) {
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let fn = await fnReady;
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return fn(data);
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};
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} else {
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return async function (data) {
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let fn = await fnReady;
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let preTemplateEngineRender = await fn(data);
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let finishedRender = mdlib.render(preTemplateEngineRender, data);
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return finishedRender;
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};
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}
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} else {
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if (bypassMarkdown) {
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return function () {
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return str;
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};
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} else {
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return function (data) {
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return mdlib.render(str, data);
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};
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}
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}
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}
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}
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