react-intl-package.json

{
    ...
    "scripts": {
        "dev": "next dev",
        "build": "npm run i18n && next build",
        "start": "next start",
        "extract:i18n": "formatjs extract '{pages,components,sections}/**/*.{js,ts,tsx}' --format simple --id-interpolation-pattern '[sha512:contenthash:base64:6]' --out-file content/locales/en.json",
        "compile:i18n": "formatjs compile-folder --ast --format simple content/locales content/compiled-locales",
        "i18n": "npm run extract:i18n && npm run compile:i18n"
    },
    "dependencies": {
       ...
    },
}