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bomb.sh/docs/clack/basics/getting-started/
cli
command-line
command-line-app
node
prompt
prompts
Add `maxItems` option to select prompt
Luca Forstner
(Jun 21, 2023, 12:27 PM +0200)
be76cb27
593f93d0
+33
-1
+33
-1
packages/prompts/src/index.ts
+33
-1
packages/prompts/src/index.ts
···
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message: string;
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options: Options;
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initialValue?: Value;
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+
maxItems?: number;
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}
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export const select = <Options extends Option<Value>[], Value>(
···
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}
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return `${color.dim(S_RADIO_INACTIVE)} ${color.dim(label)}`;
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};
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+
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+
let slidingWindowLocation = 0;
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return new SelectPrompt({
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options: opts.options,
···
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'cancelled'
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)}\n${color.gray(S_BAR)}`;
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default: {
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+
// We clamp to minimum 5 because anything less doesn't make sense UX wise
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+
const maxItems = opts.maxItems === undefined ? Infinity : Math.max(opts.maxItems, 5);
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+
if (this.cursor >= slidingWindowLocation + maxItems - 3) {
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+
slidingWindowLocation = Math.max(
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+
Math.min(this.cursor - maxItems + 3, this.options.length - maxItems),
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+
0
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+
);
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+
} else if (this.cursor < slidingWindowLocation + 2) {
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+
slidingWindowLocation = Math.max(this.cursor - 2, 0);
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+
}
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+
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+
const shouldRenderTopEllipsis =
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+
maxItems < this.options.length && slidingWindowLocation > 0;
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+
const shouldRenderBottomEllipsis =
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+
maxItems < this.options.length &&
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+
slidingWindowLocation + maxItems < this.options.length;
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+
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return `${title}${color.cyan(S_BAR)} ${this.options
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-
.map((option, i) => opt(option, i === this.cursor ? 'active' : 'inactive'))
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+
.slice(slidingWindowLocation, slidingWindowLocation + maxItems)
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+
.map((option, i, arr) => {
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+
if (i === 0 && shouldRenderTopEllipsis) {
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+
return color.dim('...');
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+
} else if (i === arr.length - 1 && shouldRenderBottomEllipsis) {
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+
return color.dim('...');
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+
} else {
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+
return opt(
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+
option,
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+
i + slidingWindowLocation === this.cursor ? 'active' : 'inactive'
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+
);
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+
}
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+
})
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.join(`\n${color.cyan(S_BAR)} `)}\n${color.cyan(S_BAR_END)}\n`;
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}
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}