[prettier] the code automatically formatted by prettier does not take effect

Problem description ：

vscode adopt prettier It does not take effect when the code is automatically formatted , And only this project does not take effect , Other items are OK

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Cause analysis ：

Click on vscode Right lower corner Prettier, Found an error , Translated as configured in the project prettier Outdated Version .
[“ERROR” - In the morning 9:41:40] Your project is configured to use an outdated version of prettier that cannot be used by this extension. Upgrade to the latest version of prettier.

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Solution ：

It's easier to know the reason and solve it , Run the following command directly

npm install prettier

If it's still wrong , Check the package-lock Medium prettier Is the version consistent with package In line , If it's not consistent , Delete directly package-lock, And then run

npm install prettier

Finally, remember to restart vscodoe