feat: add internationalization message platform

src/presentation/forms/form-contracts.ts

@@ -1,4 +1,8 @@
 import type { ApiFailure } from "../../contracts/errors.js";
+import {
+  formatMessage,
+  type ParameterlessMessageKey,
+} from "../i18n/index.js";
 
 export type FormValues = Readonly<Record<string, unknown>>;
 export type FieldName<Values extends FormValues> = Extract<keyof Values, string>;
@@ -23,24 +27,32 @@ export type MappedValidationFailure<Values extends FormValues> = Readonly<{
 }>;
 
 const VALIDATION_COPY = Object.freeze({
-  REQUIRED: "필수 입력값입니다.",
-  too_small: "입력값이 너무 짧습니다.",
-  too_big: "입력값이 너무 깁니다.",
-  invalid_type: "입력 형식을 확인해 주세요.",
-  invalid_format: "입력 형식을 확인해 주세요.",
-  invalid_value: "허용된 값을 선택해 주세요.",
+  REQUIRED: "form.validation.required",
+  too_small: "form.validation.tooSmall",
+  too_big: "form.validation.tooBig",
+  invalid_type: "form.validation.invalidType",
+  invalid_format: "form.validation.invalidFormat",
+  invalid_value: "form.validation.invalidValue",
 });
 
-export function validationMessage(code: string): string {
-  return (
+type MessageResolver = (key: ParameterlessMessageKey) => string;
+
+const defaultMessage: MessageResolver = (key) => formatMessage("ko-KR", key);
+
+export function validationMessage(
+  code: string,
+  message: MessageResolver = defaultMessage,
+): string {
+  return message(
     VALIDATION_COPY[code as keyof typeof VALIDATION_COPY] ??
-    "입력값을 확인해 주세요."
+      "form.validation.unknown",
   );
 }
 
 export function mapValidationFailureToFields<Values extends FormValues>(
   failure: ApiFailure,
   allowedFields: readonly FieldName<Values>[],
+  message: MessageResolver = defaultMessage,
 ): MappedValidationFailure<Values> {
   if (failure.kind !== "VALIDATION_REJECTED") {
     return Object.freeze({ fieldErrors: Object.freeze({}), formErrors: [] });
@@ -51,15 +63,15 @@ export function mapValidationFailureToFields<Values extends FormValues>(
   const issues = failure.validationIssues ?? [];
 
   if (issues.length === 0) {
-    formErrors.push("입력값을 다시 확인해 주세요.");
+    formErrors.push(message("form.validation.retry"));
   }
   for (const issue of issues) {
     const field = issue.path.split(".").at(0) ?? "";
     if (allowed.has(field)) {
       const name = field as FieldName<Values>;
-      fieldErrors[name] ??= validationMessage(issue.code);
+      fieldErrors[name] ??= validationMessage(issue.code, message);
     } else {
-      formErrors.push("서버가 확인하지 못한 입력 항목이 있습니다.");
+      formErrors.push(message("form.validation.unknownField"));
     }
   }
   return Object.freeze({