chore: update lint dependencies

package.json

@@ -72,8 +72,8 @@
   "devDependencies": {
     "@babel/core": "^7.11.6",
     "@babel/preset-env": "^7.11.5",
-    "@kiwi/eslint-config": "^1.10.1",
-    "@kiwi/prettier-config": "^1.10.1",
+    "@kiwi/eslint-config": "^1.16.6",
+    "@kiwi/prettier-config": "^1.16.6",
     "@rollup/plugin-commonjs": "^20.0.0",
     "@rollup/plugin-typescript": "^8.2.5",
     "@types/dlv": "^1.1.2",
@@ -86,12 +86,12 @@
     "babel-jest": "^26.3.0",
     "conventional-changelog-cli": "^2.1.0",
     "cross-env": "^7.0.2",
-    "eslint": "^7.9.0",
+    "eslint": "^7.32.0",
     "full-icu": "^1.3.1",
     "husky": "^4.3.0",
     "jest": "^26.4.2",
     "lint-staged": "^10.4.0",
-    "prettier": "^2.1.2",
+    "prettier": "^2.4.1",
     "rollup": "^2.27.1",
     "rollup-plugin-auto-external": "^2.0.0",
     "rollup-plugin-commonjs": "^10.1.0",

src/runtime/configs.ts

@@ -54,6 +54,7 @@ export function getOptions() {
 
 export function init(opts: ConfigureOptionsInit) {
   const { formats, ...rest } = opts;
+  // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
   const initialLocale = opts.initialLocale || opts.fallbackLocale;
 
   Object.assign(options, rest, { initialLocale });

src/runtime/index.ts

@@ -31,6 +31,7 @@ export function defineMessages(i: Record<string, MessageObject>) {
 }
 
 export function waitLocale(locale?: string) {
+  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion, @typescript-eslint/prefer-nullish-coalescing
   return flush(locale || getCurrentLocale() || getOptions().initialLocale!);
 }
 

src/runtime/stores/formatters.ts

@@ -56,7 +56,7 @@ const formatMessage: MessageFormatter = (id, options = {}) => {
       );
     }
 
-    message = defaultValue || id;
+    message = defaultValue ?? id;
   } else if (typeof message !== 'string') {
     console.warn(
       `[svelte-i18n] Message with id "${id}" must be of type "string", found: "${typeof message}". Gettin its value through the "$format" method is deprecated; use the "json" method instead.`,