caret sign in npm package
caret ^ - include everything greater than a particular version in the same major range.
tilde ~ - include everything greater than a particular version in the same minor range.
For example, to specify acceptable version ranges up to 1.0.4,
use the following syntax:
Patch releases: 1.0 or 1.0.x or ~1.0.4
Minor releases: 1 or 1.x or ^1.0.4
Major releases: * or x
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