Yarn 沒法自動生成 yarn.lock 文件

info No lockfile found.
[1/4] Resolving packages...
warning jest > jest-cli > jest-config > jest-environment-jsdom > jsdom > left-pad@1.3.0: use String.prototype.padStart()
[2/4] Fetching packages...
error sane@4.1.0: The engine "node" is incompatible with this module. Expected version "6.* || 8.* || >= 10.*". Got "9.11.2"
error Found incompatible module.
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.

yarn 對 node 的版本要求是 6.* 或者 8.* 或者 10.*, 發現如今是9.11.2, 出現不兼容的模塊。