Improve package mode performance #230
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johanneswuerbach
commented
Jan 3, 2025
| @@ -147,7 +147,7 @@ func (p *packageModeParser) loadPackage(packageName string) (*packages.Package, | |||
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| cfg := &packages.Config{ | |||
| Mode: packages.NeedDeps | packages.NeedImports | packages.NeedTypes | packages.NeedTypesInfo | packages.NeedEmbedFiles | packages.LoadSyntax, | |||
| Mode: packages.LoadSyntax, | |||
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This was simplified according to https://pkg.go.dev/golang.org/x/tools/go/packages#pkg-constants, which states that LoadSyntax is essentially all other options except NeedDeps and NeedEmbedFiles.
Not sure why NeedEmbedFiles was used here, but NeedDeps is the biggest performance hit and the tests are still passing with it being removed and our mocks are generated just fine.
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Instead of loading the package and all its dependencies, load only the specified package, which significantly improves the performance in our case.