1 files changed, 98 insertions, 0 deletions
diff --git a/node_modules/@11ty/eleventy/src/LayoutCache.js b/node_modules/@11ty/eleventy/src/LayoutCache.js
new file mode 100644
index 0000000..006f502
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/LayoutCache.js
@@ -0,0 +1,98 @@
+import { TemplatePath } from "@11ty/eleventy-utils";
+
+import eventBus from "./EventBus.js";
+
+// Note: this is only used for TemplateLayout right now but could be used for more
+// Just be careful because right now the TemplateLayout cache keys are not directly mapped to paths
+// So you may get collisions if you use this for other things.
+class LayoutCache {
+	constructor() {
+		this.cache = {};
+		this.cacheByInputPath = {};
+	}
+
+	clear() {
+		this.cache = {};
+		this.cacheByInputPath = {};
+	}
+
+	// alias
+	removeAll() {
+		for (let layoutFilePath in this.cacheByInputPath) {
+			this.remove(layoutFilePath);
+		}
+		this.clear();
+	}
+
+	size() {
+		return Object.keys(this.cacheByInputPath).length;
+	}
+
+	add(layoutTemplate) {
+		let keys = new Set();
+
+		if (typeof layoutTemplate === "string") {
+			throw new Error(
+				"Invalid argument type passed to LayoutCache->add(). Should be a TemplateLayout.",
+			);
+		}
+
+		if ("getFullKey" in layoutTemplate) {
+			keys.add(layoutTemplate.getFullKey());
+		}
+
+		if ("getKey" in layoutTemplate) {
+			// if `key` was an alias, also set to the pathed layout value too
+			// e.g. `layout: "default"` and `layout: "default.liquid"` will both map to the same template.
+			keys.add(layoutTemplate.getKey());
+		}
+
+		for (let key of keys) {
+			this.cache[key] = layoutTemplate;
+		}
+
+		// also the full template input path for use with eleventy --serve/--watch e.g. `_includes/default.liquid` (see `remove` below)
+		let fullPath = TemplatePath.stripLeadingDotSlash(layoutTemplate.inputPath);
+		this.cacheByInputPath[fullPath] = layoutTemplate;
+	}
+
+	has(key) {
+		return key in this.cache;
+	}
+
+	get(key) {
+		if (!this.has(key)) {
+			throw new Error(`Could not find ${key} in LayoutCache.`);
+		}
+
+		return this.cache[key];
+	}
+
+	remove(layoutFilePath) {
+		layoutFilePath = TemplatePath.stripLeadingDotSlash(layoutFilePath);
+		if (!this.cacheByInputPath[layoutFilePath]) {
+			// not a layout file
+			return;
+		}
+
+		let layoutTemplate = this.cacheByInputPath[layoutFilePath];
+		layoutTemplate.resetCaches();
+
+		let keys = layoutTemplate.getCacheKeys();
+		for (let key of keys) {
+			delete this.cache[key];
+		}
+
+		delete this.cacheByInputPath[layoutFilePath];
+	}
+}
+
+let layoutCache = new LayoutCache();
+
+eventBus.on("eleventy.resourceModified", () => {
+	// https://github.com/11ty/eleventy-plugin-bundle/issues/10
+	layoutCache.removeAll();
+});
+
+// singleton
+export default layoutCache;