我想使用纱线时出错
Errors when i want to use yarn
When i write in terminal yarn start , Shows this :
yarn run v1.22.4
$ react-scripts start
'react-scripts' is not recognized as an internal or external command,
operable program or batch file.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
This problem starts when i installed ffmpeg.
Yarn 期望 react-scripts 安装在您的 node_modules 目录中。我怀疑你要么从未安装它，要么被意外删除，要么 运行宁 yarn start 在错误的目录中。
要修复，请确保您在正确的目录中，运行 yarn install。之后，您应该会看到一个 node_modules 目录，其中包含 react-scripts。然后再试一次yarn start。
When i write in terminal
yarn start, Shows this :
yarn run v1.22.4
$ react-scripts start
'react-scripts' is not recognized as an internal or external command,
operable program or batch file.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
This problem starts when i installed ffmpeg.
Yarn 期望 react-scripts 安装在您的 node_modules 目录中。我怀疑你要么从未安装它，要么被意外删除，要么 运行宁 yarn start 在错误的目录中。
要修复，请确保您在正确的目录中，运行 yarn install。之后，您应该会看到一个 node_modules 目录，其中包含 react-scripts。然后再试一次yarn start。