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=== tests/cases/compiler/jsFileFunctionOverloads.js ===
/**
* @overload
* @param {number} x
* @returns {'number'}
*/
/**
* @overload
* @param {string} x
* @returns {'string'}
*/
/**
* @overload
* @param {boolean} x
* @returns {'boolean'}
*/
/**
* @param {unknown} x
* @returns {string}
*/
function getTypeName(x) {
>getTypeName : { (x: number): 'number'; (x: string): 'string'; (x: boolean): 'boolean'; }
>x : unknown
return typeof x;
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : unknown
}
/**
* @template T
* @param {T} x
* @returns {T}
*/
const identity = x => x;
>identity : <T>(x: T) => T
>x => x : <T>(x: T) => T
>x : T
>x : T
/**
* @template T
* @template U
* @overload
* @param {T[]} array
* @param {(x: T) => U[]} iterable
* @returns {U[]}
*/
/**
* @template T
* @overload
* @param {T[][]} array
* @returns {T[]}
*/
/**
* @param {unknown[]} array
* @param {(x: unknown) => unknown} iterable
* @returns {unknown[]}
*/
function flatMap(array, iterable = identity) {
>flatMap : { <T, U>(array: T[], iterable: (x: T) => U[]): U[]; <T>(array: T[][]): T[]; }
>array : unknown[]
>iterable : (x: unknown) => unknown
>identity : <T>(x: T) => T
/** @type {unknown[]} */
const result = [];
>result : unknown[]
>[] : undefined[]
for (let i = 0; i < array.length; i += 1) {
>i : number
>0 : 0
>i < array.length : boolean
>i : number
>array.length : number
>array : unknown[]
>length : number
>i += 1 : number
>i : number
>1 : 1
result.push(.../** @type {unknown[]} */(iterable(array[i])));
>result.push(.../** @type {unknown[]} */(iterable(array[i]))) : number
>result.push : (...items: unknown[]) => number
>result : unknown[]
>push : (...items: unknown[]) => number
>.../** @type {unknown[]} */(iterable(array[i])) : unknown
>(iterable(array[i])) : unknown[]
>iterable(array[i]) : unknown
>iterable : (x: unknown) => unknown
>array[i] : unknown
>array : unknown[]
>i : number
}
return result;
>result : unknown[]
}
|
