Microsoft/TypeScript

navigator.share is not always a function

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#42.809 geöffnet am 15. Feb. 2021

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Beschreibung

Bug Report

navigator.share is undefined is many browsers, yet TypeScript reports it as "the function is always defined"

🔎 Search Terms

navigator.share share

🕗 Version & Regression Information

Version 4.1.5 & Nightly

⏯ Playground Link

https://www.typescriptlang.org/play?#code/JYMwBAFAdghgbsA5jALgewE4DoDOALGDAUwEowBvAWACgw6wBjNKHNAGyKzbUQgHIAKniJhYKYHBH5CIkEVQBXYmGA4VAWwAOHdUSgoiAEz4kA3DQC+YImxwiqtekxbtO3XoOGjUEqQWVyisqqomgoGtpEuvpGJubUFkA

💻 Code

if (navigator.share) {
    console.log('The native share feature is implemented');
} else {
    console.log('The native share feature is not implemented');
}

🙁 Actual behavior

TypeScript reports it as "the function is always defined"

🙂 Expected behavior

If should report navigator.share as maybe being present.

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