51 lines
773 B
Markdown
51 lines
773 B
Markdown
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# CLI Output Snippets
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## Prompt Guard
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```js
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if (canPrompt(options)) {
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const value = await select({
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message: 'Choose an option',
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options: [{ value: 'a', label: 'Option A' }],
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});
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if (isCancel(value)) {
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cancel('Operation cancelled.');
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return;
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}
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}
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```
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## Non-Interactive Fallback
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```js
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if (!resolvedValue) {
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if (canPrompt(options)) {
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// prompt path
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} else {
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throw new Error('Missing required value. Provide --flag <value>.');
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}
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}
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```
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## Spinner Guard
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```js
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const spin = createSpinner(options);
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spin?.start('Running operation...');
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// ...work...
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spin?.stop('Done');
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```
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## JSON vs Human Output
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```js
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if (options.json) {
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printJson({ ok: true, data });
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return;
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}
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intro('Operation');
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log.success('Completed');
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outro('done');
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```
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