ESLint rule to ban unlearned kanji for Japanese elementary student.
$ npm i @quramy/eslint-plugin-unlearned-kanji -D
/* .eslintrc.js */
modules.exports = {
plugins: ["@quramy/unlearned-kanji"],
rules: {
"@quramy/unlearned-kanji/no-unlearned-kanji": "warn",
},
};