inline error header

Author: vabatta

packages/zod/src/config/config.ts

@@ -88,7 +88,7 @@ export function registerConfig<
 		);
 		if (!parsedConfig.success)
 			throw new TypeError(
-				typifyError(configSchema, parsedConfig.error, "config", namespace, envKeys),
+				`Invalid config for "${namespace}":\n${typifyError(configSchema, parsedConfig.error, namespace, envKeys)}`,
 				{ cause: parsedConfig.error },
 			);
 		const config = parsedConfig.data;

packages/zod/src/internal.ts

@@ -4,6 +4,7 @@ import {
 	camelCase,
 	flatMap,
 	get,
+	isEmpty,
 	isObjectLike,
 	isString,
 	isUndefined,
@@ -198,7 +199,6 @@ export function decodeVariables(
 export const typifyError = <S extends $ZodType>(
 	schema: S,
 	error: $ZodError,
-	context: "options" | "config",
 	namespace: string,
 	envKeys: Map<string, string> = new Map(),
 	jsonSchemaOptions: Parameters<typeof toJSONSchema>[1] = { unrepresentable: "any" },
@@ -222,13 +222,13 @@ export const typifyError = <S extends $ZodType>(
 
 			// use the env key or the path (prefixed with the namespace to have in the error formatting the namespace name too)
 			// (e.g. instead of -> at port: ... you get -> at app.port: ... so you don't have to see the header for the namespace name)
-			const issuePath = [namespace.toLowerCase(), ...issue.path];
+			const issuePath = isEmpty(namespace) ? issue.path : [namespace.toLowerCase(), ...issue.path];
 			const path = toDotPath(issuePath);
 			const via = envKeys.get(path) ? ` via ${envKeys.get(path)}` : "";
 
 			lines.push(`  → at ${path}${via}${description}`);
 		}
 	}
 
-	return `Invalid ${context} for "${namespace}":\n${lines.join("\n")}`;
+	return lines.join("\n");
 };

packages/zod/src/module/module.ts

@@ -199,9 +199,12 @@ export class ZodConfigurableModuleBuilder<
 								return await parseAsync(self.schema, finalOptions);
 							} catch (err) {
 								throw err instanceof $ZodError
-									? new TypeError(typifyError(self.schema, err, "options", this.name), {
-											cause: err,
-										})
+									? new TypeError(
+											`Invalid options for "${this.name}":\n${typifyError(self.schema, err, this.name)}`,
+											{
+												cause: err,
+											},
+										)
 									: err;
 							}
 						},
@@ -301,9 +304,12 @@ export class ZodConfigurableModuleBuilder<
 								return await parseAsync(self.schema, finalOptions);
 							} catch (err) {
 								throw err instanceof $ZodError
-									? new TypeError(typifyError(self.schema, err, "options", this.name), {
-											cause: err,
-										})
+									? new TypeError(
+											`Invalid options for "${this.name}":\n${typifyError(self.schema, err, this.name)}`,
+											{
+												cause: err,
+											},
+										)
 									: err;
 							}
 						},
@@ -325,7 +331,10 @@ export class ZodConfigurableModuleBuilder<
 							return await parseAsync(self.schema, finalOptions);
 						} catch (err) {
 							throw err instanceof $ZodError
-								? new TypeError(typifyError(self.schema, err, "options", this.name), { cause: err })
+								? new TypeError(
+										`Invalid options for "${this.name}":\n${typifyError(self.schema, err, this.name)}`,
+										{ cause: err },
+									)
 								: err;
 						}
 					},