Why npm ci removes the node_modules / all packages?
If a
node_modulesis already present, it will be automatically removed beforenpm cibegins its install.
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BuZZ-dEE
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To make sure you are always in the correct state, even if you, or someone else (meaning, some other tool or such), somehow fiddled with node_modules.
It tries to get to a state as if you just installed the module from zero.
Karel Bílek
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Why not just reload the packages that do not match the version from the `package-lock.json` file? – BuZZ-dEE Sep 20 '22 at 23:44
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1npm doesn't know if some file hasn't been manually changed somehow. – Karel Bílek Sep 21 '22 at 07:57
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I would assume in most cases it is enough to check the package version to know if the package needs to be reloaded. – BuZZ-dEE Sep 21 '22 at 13:18