Create error.ts

error.ts

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+// Typescript error when using pluralization and formatting #1574
+
+
+
+
+
+// you can create your custom type declaration for the t function in a TypeScript declaration file in your project.
+// custom-i18n.d.ts
+declare module 'vue-i18n' {
+ interface Composer<Messages, DateTimeFormats, NumberFormats, Legacy extends boolean = false> {
+ t: (key: string, count: number, values?: Record<string, unknown>) => string;
+ }
+}
+
+
+// Or u can use this
+
+
+// Custom type definition
+interface I18nTFunction {
+ (key: string, count: number, values?: Record<string, unknown>): string;
+}
+
+// Use the custom type with the t function
+const t: I18nTFunction = (key, count, values) => {
+ // Your implementation of the t function
+ // ...
+}
+
+// Now you can use t without type errors
+console.log(t("contacts", 1, { count: 1 }));
+
+
+
+// Or this
+// Custom type definition
+interface I18nTFunction {
+ (key: string, count: number, values?: Record<string, unknown>): string;
+}
+
+// Your implementation of the t function
+const t: I18nTFunction = (key, count, values) => {
+ // Example implementation: You can customize this part based on your needs
+
+ // Fetch the translation message for the key
+ const translation = getTranslationByKey(key);
+
+ // Handle pluralization based on the count
+ const pluralizedMessage = count === 1 ? translation : pluralize(translation, count);
+
+ // Replace placeholders with values
+ const replacedMessage = replacePlaceholders(pluralizedMessage, values);
+
+ return replacedMessage;
+};
+
+// Example utility functions (customize as needed)
+function getTranslationByKey(key: string): string {
+ // Fetch the translation from your data source (e.g., messages.json)
+ return messages[key] || key;
+}
+
+function pluralize(message: string, count: number): string {
+ // Implement your pluralization logic here (e.g., add 's' for count > 1)
+ return count === 1 ? message : message + 's';
+}
+
+function replacePlaceholders(message: string, values?: Record<string, unknown>): string {
+ if (values) {
+ // Replace placeholders in the message with corresponding values
+ for (const key of Object.keys(values)) {
+ message = message.replace(`{${key}}`, String(values[key]));
+ }
+ }
+ return message;
+}
+
+// Usage example
+console.log(t("contacts", 1, { count: 1 }));