make it a string instead of an error

Author: vabatta

packages/zod/src/config/config.ts

@@ -90,7 +90,10 @@ export function registerConfig<
 			merge({ [namespace]: {} }, decodedConfig, decodedEnv),
 		);
 		if (!parsedConfig.success)
-			throw typifyError(namespacedSchema, parsedConfig.error, "config", namespace, envKeys);
+			throw new TypeError(
+				typifyError(namespacedSchema, parsedConfig.error, "config", namespace, envKeys),
+				{ cause: parsedConfig.error },
+			);
 		const config = parsedConfig.data[namespace];
 
 		return config;

packages/zod/src/internal.ts

@@ -201,10 +201,11 @@ export const typifyError = <S extends $ZodType>(
 	context: "options" | "config",
 	namespace: string,
 	envKeys: Map<string, string> = new Map(),
-): TypeError => {
+	jsonSchemaOptions: Parameters<typeof toJSONSchema>[1] = { unrepresentable: "any" },
+): string => {
 	// NOTE: shamelessy copied from `prettifyError`
 	const lines: string[] = [];
-	const jsonSchema = toJSONSchema(schema, { unrepresentable: "any" });
+	const jsonSchema = toJSONSchema(schema, jsonSchemaOptions);
 
 	// sort by path length
 	const issues = [...error.issues].sort((a, b) => (a.path ?? []).length - (b.path ?? []).length);
@@ -227,7 +228,5 @@ export const typifyError = <S extends $ZodType>(
 		}
 	}
 
-	return new TypeError(`Invalid ${context} for "${namespace}":\n${lines.join("\n")}`, {
-		cause: error,
-	});
+	return `Invalid ${context} for "${namespace}":\n${lines.join("\n")}`;
 };

packages/zod/src/module/module.ts

@@ -199,7 +199,9 @@ export class ZodConfigurableModuleBuilder<
 								return await parseAsync(self.schema, finalOptions);
 							} catch (err) {
 								throw err instanceof $ZodError
-									? typifyError(self.schema, err, "options", this.name)
+									? new TypeError(typifyError(self.schema, err, "options", this.name), {
+											cause: err,
+										})
 									: err;
 							}
 						},
@@ -299,7 +301,9 @@ export class ZodConfigurableModuleBuilder<
 								return await parseAsync(self.schema, finalOptions);
 							} catch (err) {
 								throw err instanceof $ZodError
-									? typifyError(self.schema, err, "options", this.name)
+									? new TypeError(typifyError(self.schema, err, "options", this.name), {
+											cause: err,
+										})
 									: err;
 							}
 						},
@@ -321,7 +325,7 @@ export class ZodConfigurableModuleBuilder<
 							return await parseAsync(self.schema, finalOptions);
 						} catch (err) {
 							throw err instanceof $ZodError
-								? typifyError(self.schema, err, "options", this.name)
+								? new TypeError(typifyError(self.schema, err, "options", this.name), { cause: err })
 								: err;
 						}
 					},