1 files changed, 70 insertions, 0 deletions
diff --git a/node_modules/@11ty/eleventy/src/Errors/EleventyErrorUtil.js b/node_modules/@11ty/eleventy/src/Errors/EleventyErrorUtil.js
new file mode 100644
index 0000000..6b374d0
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/Errors/EleventyErrorUtil.js
@@ -0,0 +1,70 @@
+import TemplateContentPrematureUseError from "./TemplateContentPrematureUseError.js";
+
+/* Hack to workaround the variety of error handling schemes in template languages */
+class EleventyErrorUtil {
+	static get prefix() {
+		return ">>>>>11ty>>>>>";
+	}
+	static get suffix() {
+		return "<<<<<11ty<<<<<";
+	}
+
+	static hasEmbeddedError(msg) {
+		if (!msg) {
+			return false;
+		}
+
+		return msg.includes(EleventyErrorUtil.prefix) && msg.includes(EleventyErrorUtil.suffix);
+	}
+
+	static cleanMessage(msg) {
+		if (!msg) {
+			return "";
+		}
+
+		if (!EleventyErrorUtil.hasEmbeddedError(msg)) {
+			return "" + msg;
+		}
+
+		return msg.slice(0, Math.max(0, msg.indexOf(EleventyErrorUtil.prefix)));
+	}
+
+	static deconvertErrorToObject(error) {
+		if (!error || !error.message) {
+			throw new Error(`Could not convert error object from: ${error}`);
+		}
+		if (!EleventyErrorUtil.hasEmbeddedError(error.message)) {
+			return error;
+		}
+
+		let msg = error.message;
+		let objectString = msg.substring(
+			msg.indexOf(EleventyErrorUtil.prefix) + EleventyErrorUtil.prefix.length,
+			msg.lastIndexOf(EleventyErrorUtil.suffix),
+		);
+		let obj = JSON.parse(objectString);
+		obj.name = error.name;
+		return obj;
+	}
+
+	// pass an error through a random template engine’s error handling unscathed
+	static convertErrorToString(error) {
+		return (
+			EleventyErrorUtil.prefix +
+			JSON.stringify({ message: error.message, stack: error.stack }) +
+			EleventyErrorUtil.suffix
+		);
+	}
+
+	static isPrematureTemplateContentError(e) {
+		// TODO the rest of the template engines
+		return (
+			e instanceof TemplateContentPrematureUseError ||
+			e?.cause instanceof TemplateContentPrematureUseError || // Custom (per Node-convention)
+			["RenderError", "UndefinedVariableError"].includes(e?.originalError?.name) && e?.originalError?.originalError instanceof TemplateContentPrematureUseError || // Liquid
+			e?.message?.includes("TemplateContentPrematureUseError") // Nunjucks
+		);
+	}
+}
+
+export default EleventyErrorUtil;