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chore: implementing improved peer dependency checks for pre-1.0 packages
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georgewrmarshall committed Sep 18, 2025
commit 0defaf60dbe8528fdc447967567eaaea8d9bdee5
15 changes: 14 additions & 1 deletion yarn.config.cjs
Original file line number Diff line number Diff line change
Expand Up @@ -613,10 +613,23 @@ function expectUpToDateWorkspacePeerDependencies(Yarn, workspace) {
dependency.range,
)
) {
// Ensure peer dependency includes latest breaking changes.
//
// Technically pre-1.0 versions can make breaking changes in patch releases, but
// conventionally we always bump the most significant digit for breaking changes.
let peerDependencyRange;
if (dependencyWorkspaceVersion.major > 0) {
peerDependencyRange = `^${dependencyWorkspaceVersion.major}.0.0`;
} else if (dependencyWorkspaceVersion.minor > 0) {
peerDependencyRange = `^0.${dependencyWorkspaceVersion.minor}.0`;
} else {
peerDependencyRange = `^0.0.${dependencyWorkspaceVersion.patch}`;
}

expectWorkspaceField(
workspace,
`peerDependencies["${dependency.ident}"]`,
`^${dependencyWorkspaceVersion.major}.0.0`,
peerDependencyRange,
);
}
}
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