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fix(cli): add error message for 'fern docs preview' command #11386

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fix(cli): add error message for 'fern docs preview' command #11386

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f8caee5
fix(cli): add error message for 'fern docs preview' command
devin-ai-integration[bot] Dec 23, 2025
153e74d
fix(cli): fix yargs command chain for docs preview
devin-ai-integration[bot] Dec 23, 2025
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12 changes: 12 additions & 0 deletions packages/cli/cli/src/cli.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1507,6 +1507,18 @@ function addDocsPreviewCommand(cli: Argv<GlobalCliOptions>, cliContext: CliConte
cli.command("preview", "Commands for managing preview deployments", (yargs) => {
addDocsPreviewListCommand(yargs, cliContext);
addDocsPreviewDeleteCommand(yargs, cliContext);
yargs.command(
"$0",
false,
// biome-ignore lint/suspicious/noEmptyBlockStatements: yargs requires a builder function
() => {},
() => {
cliContext.logger.error(
"'fern docs preview' is not a valid command. To preview docs, use 'fern generate --docs --preview'."
);
cliContext.failAndThrow();
}
);
return yargs;
});
}
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8 changes: 8 additions & 0 deletions packages/cli/cli/versions.yml
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@@ -1,4 +1,12 @@
# yaml-language-server: $schema=../../../fern-versions-yml.schema.json
- version: 3.31.1
changelogEntry:
- summary: |
Add error message when running `fern docs preview` without a subcommand. The command now suggests using `fern generate --docs --preview` instead.
type: fix
createdAt: "2025-12-23"
irVersion: 62

- version: 3.31.0
changelogEntry:
- summary: |
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