feat(cli): add preview command for production builds#372
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Brooooooklyn merged 4 commits intomainfrom Dec 29, 2025
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Add two new Vite CLI subcommands that forward arguments to the underlying Vite CLI: - `vite optimize`: Pre-bundle dependencies (with --force option) - `vite preview`: Preview production build (with --port, --host, etc.) Both commands follow the same pattern as existing `vite dev` and `vite build` commands. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add optimize and preview to LOCAL_CLI_COMMANDS so they are properly forwarded to the local CLI instead of being handled by the global Rust binary. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The vite optimize command is deprecated as dependency pre-bundling now runs automatically. Only keep the vite preview command. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Running `vite` without arguments or with options (e.g., `vite --port 3000`) now defaults to the dev command, matching the behavior of the upstream Vite CLI. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Pull request overview
This PR adds a new vite preview command to preview production builds and enhances the CLI to default to vite dev when run without a command. The implementation follows the existing pattern for builtin commands like build, dev, test, etc.
Key changes:
- Added
vite previewcommand with argument forwarding to the underlying Vite CLI - Running
vitewith no arguments now defaults tovite dev - Running
vitewith options (e.g.,vite --port 3000) is treated asvite dev --port 3000
Reviewed changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
packages/global/src/index.ts |
Added preview to the list of local CLI commands |
packages/cli/binding/src/lib.rs |
Added preview to builtin commands array and refactored argument parsing to handle default dev command and option forwarding |
packages/cli/binding/src/cli.rs |
Added Preview command variant, implementation handler that forwards to vite CLI, and unit tests |
packages/cli/snap-tests/command-preview/steps.json |
New test configuration for preview command using invalid port to verify command forwarding |
packages/cli/snap-tests/command-preview/snap.txt |
Expected output snapshot for preview command test |
packages/cli/snap-tests/command-preview/package.json |
Empty package.json for preview test fixture |
packages/cli/snap-tests/command-helper/steps.json |
Added tests for preview and dev help messages |
packages/cli/snap-tests/command-helper/snap.txt |
Updated snapshot with preview command help output |
packages/cli/snap-tests/command-dev-with-port/steps.json |
Added test verifying vite --port defaults to dev command |
packages/cli/snap-tests/command-dev-with-port/snap.txt |
Updated snapshot with test output for vite without command |
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Add a new Vite CLI subcommand that forwards arguments to the underlying Vite CLI:
vite preview: Preview production build (with --port, --host, etc.)This command follows the same pattern as existing
vite devandvite buildcommands.Additionally:
vitewith no command now defaults tovite devvitewith options (likevite --port 3000) is treated asvite devpreviewto the list of built-in commands