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node_modules/@11ty/eleventy/src/Engines/Markdown.js

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