bd7b97ce61
* Get return type from `@type` tag This only happens in the checker, where the type is easily accessible. The syntax-based check in getEffectiveReturnTypeNode as a fast path, and for other uses that don't want to make a call to getTypeFromTypeNode. Fixes #25525 * Implement PR suggestions * Error when type tag isn't callable * Fix lint
85 lines
2 KiB
Plaintext
85 lines
2 KiB
Plaintext
=== tests/cases/conformance/jsdoc/test.js ===
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// all 6 should error on return statement/expression
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/** @type {(x: number) => string} */
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function h(x) { return x }
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>h : (x: number) => string
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>x : number
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>x : number
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/** @type {(x: number) => string} */
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var f = x => x
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>f : (x: number) => string
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>x => x : (x: number) => string
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>x : number
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>x : number
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/** @type {(x: number) => string} */
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var g = function (x) { return x }
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>g : (x: number) => string
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>function (x) { return x } : (x: number) => string
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>x : number
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>x : number
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/** @type {{ (x: number): string }} */
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function i(x) { return x }
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>i : (x: number) => string
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>x : number
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>x : number
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/** @type {{ (x: number): string }} */
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var j = x => x
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>j : (x: number) => string
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>x => x : (x: number) => string
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>x : number
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>x : number
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/** @type {{ (x: number): string }} */
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var k = function (x) { return x }
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>k : (x: number) => string
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>function (x) { return x } : (x: number) => string
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>x : number
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>x : number
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/** @typedef {(x: 'hi' | 'bye') => 0 | 1 | 2} Argle */
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/** @type {Argle} */
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function blargle(s) {
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>blargle : (s: "hi" | "bye") => 0 | 1 | 2
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>s : "hi" | "bye"
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return 0;
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>0 : 0
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}
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/** @type {0 | 1 | 2} - assignment should not error */
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var zeroonetwo = blargle('hi')
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>zeroonetwo : 0 | 1 | 2
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>blargle('hi') : 0 | 1 | 2
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>blargle : (s: "hi" | "bye") => 0 | 1 | 2
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>'hi' : "hi"
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/** @typedef {{(s: string): 0 | 1; (b: boolean): 2 | 3 }} Gioconda */
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/** @type {Gioconda} */
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function monaLisa(sb) {
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>monaLisa : (sb: any) => 1 | 2
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>sb : any
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return typeof sb === 'string' ? 1 : 2;
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>typeof sb === 'string' ? 1 : 2 : 1 | 2
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>typeof sb === 'string' : boolean
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>typeof sb : "string" | "number" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>sb : any
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>'string' : "string"
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>1 : 1
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>2 : 2
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}
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/** @type {2 | 3} - overloads are not supported, so there will be an error */
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var twothree = monaLisa(false);
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>twothree : 2 | 3
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>monaLisa(false) : 1 | 2
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>monaLisa : (sb: any) => 1 | 2
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>false : false
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