Remove unnecessary interpolation, and display string-typed error properties literally

lib/index.js

@@ -63,6 +63,8 @@ function renderError(err) {
 
 		if (property.literal != null) {
 			renderedValue = property.literal;
+		} else if (typeof property.value === "string") {
+			renderedValue = property.value;
 		} else {
 			renderedValue = util.inspect(property.value, { colors: true });
 		}
@@ -70,7 +72,7 @@ function renderError(err) {
 		return chalk.bold.blue(property.key) + ":\n" + indentMultiline(renderedValue);
 	}).join("\n");
 
-	var details = indentMultiline("" + renderedProperties);
+	var details = indentMultiline(renderedProperties);
 
 	return chalk.bold.red(message) + "\n" + details;
 }

src/index.js

@@ -58,6 +58,8 @@ function renderError(err) {
 
 		if (property.literal != null) {
 			renderedValue = property.literal;
+		} else if (typeof property.value === "string") {
+			renderedValue = property.value;
 		} else {
 			renderedValue = util.inspect(property.value, {colors: true});
 		}
@@ -65,7 +67,7 @@ function renderError(err) {
 		return `${chalk.bold.blue(property.key)}:\n${indentMultiline(renderedValue)}`;
 	}).join("\n");
 
-	let details = indentMultiline(`${renderedProperties}`);
+	let details = indentMultiline(renderedProperties);
 
 	return `${chalk.bold.red(message)}\n${details}`
 }