fa89ce6158
* Explore using a different isArray declaration * Add tests and the new isArray definition * Baseline updates * Upda the isArray type
24 lines
797 B
Text
24 lines
797 B
Text
=== tests/cases/compiler/isArray.ts ===
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var maybeArray: number | number[];
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>maybeArray : number | number[]
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if (Array.isArray(maybeArray)) {
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>Array.isArray(maybeArray) : boolean
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>Array.isArray : <T>(arg: {} | T) => arg is T extends readonly any[] ? unknown extends T ? never : readonly any[] : any[]
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>Array : ArrayConstructor
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>isArray : <T>(arg: {} | T) => arg is T extends readonly any[] ? unknown extends T ? never : readonly any[] : any[]
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>maybeArray : number | number[]
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maybeArray.length; // OK
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>maybeArray.length : number
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>maybeArray : number[]
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>length : number
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}
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else {
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maybeArray.toFixed(); // OK
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>maybeArray.toFixed() : string
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>maybeArray.toFixed : (fractionDigits?: number) => string
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>maybeArray : number
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>toFixed : (fractionDigits?: number) => string
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}
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