feat: adjust injected config to support eleventy 3

src/inject-cloudcannon.config.cjs

@@ -0,0 +1,62 @@
+const pluginCloudCannon = require('eleventy-plugin-cloudcannon');
+
+// The build process in CloudCannon sets these:
+const eleventyVersion = process.env.CC_ELEVENTY_VERSION; // Version of 11ty/eleventy installed
+const defaultConfigPath = process.env.CC_ELEVENTY_CONFIG; // Where the site's config was moved
+
+// Supports @11ty/eleventy v0, v1, v2
+function configOld(eleventyConfig) {
+	if (!defaultConfigPath) {
+		console.log('ℹ️ Not installing eleventy-plugin-cloudcannon (legacy): no site config');
+		return eleventyConfig;
+	}
+
+	console.log('ℹ️ Installing eleventy-plugin-cloudcannon (legacy)...');
+
+	let defaultConfig;
+	try {
+		defaultConfig = require(defaultConfigPath);
+	} catch (e) {
+		console.error('⚠️ Unable to require your config from eleventy-plugin-cloudcannon (legacy).');
+		console.error(e);
+		throw e;
+	}
+
+	const config = defaultConfig?.call?.(this, eleventyConfig);
+	console.log('ℹ️ Adding eleventy-plugin-cloudcannon (legacy)...');
+
+	eleventyConfig.addPlugin(pluginCloudCannon, config);
+	console.log('🆗 Installed eleventy-plugin-cloudcannon (legacy)!');
+
+	return config;
+}
+
+// Supports @11ty/eleventy v3
+async function config(eleventyConfig) {
+	if (!defaultConfigPath) {
+		console.log('ℹ️ Not installing eleventy-plugin-cloudcannon: no site config');
+		return eleventyConfig;
+	}
+
+	console.log('ℹ️ Installing eleventy-plugin-cloudcannon...');
+
+	let defaultConfig;
+	try {
+		const defaultConfigImport = await import(defaultConfigPath);
+		defaultConfig = defaultConfigImport?.default || defaultConfigImport;
+	} catch (e) {
+		console.error('⚠️ Unable to require your config from eleventy-plugin-cloudcannon.');
+		console.error(e);
+		throw e;
+	}
+
+	const config = await defaultConfig?.call?.(this, eleventyConfig);
+	console.log('ℹ️ Adding eleventy-plugin-cloudcannon...');
+
+	eleventyConfig.addPlugin(pluginCloudCannon, config);
+	console.log('🆗 Installed eleventy-plugin-cloudcannon!');
+
+	return config;
+}
+
+module.exports = eleventyVersion?.match(/^[0|1|2]\./) ? configOld : config;