8c6b85835f
* Properly handle rest parameters in function declarations with @type annotations * Add tests
85 lines
1.4 KiB
TypeScript
85 lines
1.4 KiB
TypeScript
// @allowJs: true
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// @checkJs: true
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// @noEmit: true
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// @noImplicitAny: true
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// @Filename: functions.js
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/**
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* @param {function(this: string, number): number} c is just passing on through
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* @return {function(this: string, number): number}
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*/
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function id1(c) {
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return c
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}
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var x = id1(function (n) { return this.length + n });
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/**
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* @param {function(new: { length: number }, number): number} c is just passing on through
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* @return {function(new: { length: number }, number): number}
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*/
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function id2(c) {
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return c
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}
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class C {
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/** @param {number} n */
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constructor(n) {
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this.length = n;
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}
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}
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var y = id2(C);
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var z = new y(12);
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z.length;
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/** @type {function ("a" | "b", 1 | 2): 3 | 4} */
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var f = function (ab, onetwo) { return ab === "a" ? 3 : 4; }
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/**
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* @constructor
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* @param {number} n
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*/
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function D(n) {
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this.length = n;
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}
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var y2 = id2(D);
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var z2 = new y2(33);
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z2.length;
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/**
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* @param {function(new: D, number)} dref
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* @return {D}
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*/
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var construct = function(dref) { return new dref(33); }
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var z3 = construct(D);
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z3.length;
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/**
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* @constructor
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* @param {number} n
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*/
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var E = function(n) {
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this.not_length_on_purpose = n;
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};
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var y3 = id2(E);
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// Repro from #39229
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/**
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* @type {(...args: [string, string] | [number, string, string]) => void}
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*/
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function foo(...args) {
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args;
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}
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foo('abc', 'def');
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foo(42, 'abc', 'def');
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