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// @flow strict
const MAX_SUGGESTIONS = 5;
/**
* Given [ A, B, C ] return ' Did you mean A, B, or C?'.
*/
declare function didYouMean(suggestions: $ReadOnlyArray<string>): string;
// eslint-disable-next-line no-redeclare
declare function didYouMean(
subMessage: string,
suggestions: $ReadOnlyArray<string>,
): string;
// eslint-disable-next-line no-redeclare
export default function didYouMean(firstArg, secondArg) {
const [subMessage, suggestionsArg] =
typeof firstArg === 'string'
? [firstArg, secondArg]
: [undefined, firstArg];
let message = ' Did you mean ';
if (subMessage) {
message += subMessage + ' ';
}
const suggestions = suggestionsArg.map((x) => `"${x}"`);
switch (suggestions.length) {
case 0:
return '';
case 1:
return message + suggestions[0] + '?';
case 2:
return message + suggestions[0] + ' or ' + suggestions[1] + '?';
}
const selected = suggestions.slice(0, MAX_SUGGESTIONS);
const lastItem = selected.pop();
return message + selected.join(', ') + ', or ' + lastItem + '?';
}
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