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Suggestion: Refactor extract to type alias/typedef #23869

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@mhegazy

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@mhegazy

TypeScript Version: 2.9.0-dev.201xxxxx

Search Terms: Refactor, extract type, typedef

In a TypeScript file Extract to type alias:

var x: { a: number, b: string } = { .. };

would generate:

type newType = { a: number, b: string }
var x: newType = { .. };

In a JavaScript file Extract to typedef:

/** @type {import("./c2").mytype} */
var x;

would generate:

/** @typedef {import("./c2").mytype} newType */

/**@type {myType} */
var x;

gif courtesy of @DanielRosenwasser

extracttypealias

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    CommittedThe team has roadmapped this issueDomain: JSDocRelates to JSDoc parsing and type generationDomain: Refactoringse.g. extract to constant or function, rename symbolFixedA PR has been merged for this issueSuggestionAn idea for TypeScript

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