Microsoft/TypeScript

URLSearchParams/Headers constructor also receives iterables including Map

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#19.806 aberto em 7 de nov. de 2017

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 (2 comments) (13 reactions) (0 assignees)TypeScript (6.726 forks)batch import
Domain: lib.d.tsExperience EnhancementHelp WantedSuggestion

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Description

TypeScript Version: master

Code

new Headers(new Map([['abc', 'bcd']])).get('abc')
new Headers({ [Symbol.iterator]() { return new Map([['abc', 'bcd']]).entries() } }).get('abc')

Expected behavior: Both returns bcd so should pass without errors

Actual behavior: 'not assignable' error

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