feat: auto JS fallback (#89)

Author: so1ve

Diff for: packages/eslint-config-solid/index.js

@@ -1,10 +1,20 @@
 // @ts-check
 const { defineConfig } = require("eslint-define-config");
+const { isPackageExists } = require("local-pkg");
+
+const TS = isPackageExists("typescript");
+
+if (!TS) {
+	console.warn(
+		"[@so1ve/eslint-config-solid] TypeScript is not installed, fallback to JS only.",
+	);
+}
 
 module.exports = defineConfig({
 	extends: [
-		"@so1ve/eslint-config-ts",
-		"plugin:solid/typescript",
+		...(TS
+			? ["@so1ve/eslint-config-ts", "plugin:solid/typescript"]
+			: ["@so1ve/eslint-config-basic"]),
 		"plugin:solid/recommended",
 	],
 });

Diff for: packages/eslint-config-solid/package.json

@@ -29,12 +29,11 @@
 		"lint": "eslint . --config=index.js"
 	},
 	"dependencies": {
+		"@so1ve/eslint-config-basic": "workspace:*",
 		"@so1ve/eslint-config-ts": "workspace:*",
 		"eslint-define-config": "^1.21.0",
-		"eslint-plugin-solid": "^0.12.1"
-	},
-	"devDependencies": {
-		"typescript": "^5.1.6"
+		"eslint-plugin-solid": "^0.12.1",
+		"local-pkg": "^0.4.3"
 	},
 	"peerDependencies": {
 		"eslint": ">=8.40.0",

Diff for: packages/eslint-config-vue/index.js

@@ -1,5 +1,14 @@
 // @ts-check
 const { defineConfig } = require("eslint-define-config");
+const { isPackageExists } = require("local-pkg");
+
+const TS = isPackageExists("typescript");
+
+if (!TS) {
+	console.warn(
+		"[@so1ve/eslint-config] TypeScript is not installed, fallback to JS only.",
+	);
+}
 
 module.exports = defineConfig({
 	overrides: [
@@ -16,7 +25,10 @@ module.exports = defineConfig({
 			},
 		},
 	],
-	extends: ["plugin:vue/recommended", "@so1ve/eslint-config-ts"],
+	extends: [
+		"plugin:vue/recommended",
+		TS ? "@so1ve/eslint-config-ts" : "@so1ve/eslint-config-basic",
+	],
 	rules: {
 		"vue/no-v-html": "off",
 		"vue/require-prop-types": "off",

Diff for: packages/eslint-config-vue/package.json

@@ -26,9 +26,11 @@
 		"access": "public"
 	},
 	"dependencies": {
+		"@so1ve/eslint-config-basic": "workspace:*",
 		"@so1ve/eslint-config-ts": "workspace:*",
 		"eslint-define-config": "^1.21.0",
-		"eslint-plugin-vue": "^9.16.0"
+		"eslint-plugin-vue": "^9.16.0",
+		"local-pkg": "^0.4.3"
 	},
 	"peerDependencies": {
 		"eslint": ">=8.40.0",