fix(@eslint-community/mysticatea/ts/no-loss-of-precision): it's only available with ESLint >=v7.1 (#53)

Author: MichaelDeBoey

lib/configs/_override-ts.js

@@ -1,9 +1,10 @@
-/**
- * @author Toru Nagashima
- * See LICENSE file in root directory for full license.
- */
 "use strict"
 
+const { Linter } = require("eslint")
+const semver = require("semver")
+
+const isESLint71OrHigher = semver.gte(Linter.version, "7.1.0")
+
 module.exports = {
     overrides: [
         {
@@ -71,7 +72,15 @@ module.exports = {
                 "@eslint-community/mysticatea/ts/no-inferrable-types": "error",
                 "@eslint-community/mysticatea/ts/no-invalid-this": "error",
                 "@eslint-community/mysticatea/ts/no-invalid-void-type": "error",
-                "@eslint-community/mysticatea/ts/no-loss-of-precision": "error",
+                ...(isESLint71OrHigher
+                    ? {
+                          "@eslint-community/mysticatea/ts/no-loss-of-precision":
+                              "error",
+                      }
+                    : {
+                          "@eslint-community/mysticatea/ts/no-loss-of-precision":
+                              "off",
+                      }), // TODO: enable fully once we drop v7 support
                 "@eslint-community/mysticatea/ts/no-loop-func": "error",
                 "@eslint-community/mysticatea/ts/no-meaningless-void-operator":
                     "error",
@@ -162,7 +171,7 @@ module.exports = {
                     "error",
                 "@eslint-community/mysticatea/ts/triple-slash-reference":
                     "error",
-                // なんか誤検知が多い...
+                // I get a lot of false positives...
                 "@eslint-community/mysticatea/ts/unbound-method": [
                     "off",
                     { ignoreStatic: true },

package.json

@@ -50,11 +50,12 @@
         "eslint-plugin-prettier": "~3.4.1",
         "eslint-plugin-vue": "~8.7.1",
         "prettier": "~2.7.1",
+        "semver": "^7.3.8",
         "vue-eslint-parser": "^8.3.0"
     },
     "devDependencies": {
-        "@eslint/eslintrc": "^1.3.3",
         "@eslint-community/eslint-plugin-mysticatea": "file:.",
+        "@eslint/eslintrc": "^1.3.3",
         "eslint": "~8.27.0",
         "globals": "^13.17.0",
         "mocha": "^9.2.2",