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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | 135x 4394x 1x | // @ts-check
/**
* @template T=any
* @param {T|null|undefined} value
* @param {T} def
* @return {T}
*/
export function defaultTo(value, def) {
return (value === undefined || value === null) ? def : value;
}
/**
* @param {any} value
* @return {value is null | undefined}
*/
export function isNil(value /*: any */) /*: boolean */ {
return (value === undefined) || (value === null);
}
export const argSepRe = new RegExp('\\s*[\\s,]\\s*');
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