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$3

ts-declaration-location is available as part of the Tidelift Subscription.

Tidelift is working with the maintainers of ts-declaration-location and a growing network of open source maintainers
to ensure your open source software supply chain meets enterprise standards now and into the future.
Learn more.

Installation

$3

``sh


Install with npm

npm install ts-declaration-location

Install with pnpm

pnpm add ts-declaration-location

Install with yarn

yarn add ts-declaration-location

Install with bun

bun add ts-declaration-location
``

$3

`sh


Install in a node project

npx jsr add @rebeccastevens/ts-declaration-location

Install in a deno project

deno add jsr:@rebeccastevens/ts-declaration-location

Install in a bun project

bunx jsr add @rebeccastevens/ts-declaration-location
`

Usage Example

`ts
import typeMatchesSpecifier from "ts-declaration-location";
import type ts from "typescript";

function isTypeFromSomePackage(program: ts.Program, type: ts.Type) {
const specifier = {
from: "package",
package: "some-package",
};

return typeMatchesSpecifier(program, specifier, type);
}

function isTypeFromSomeFile(program: ts.Program, type: ts.Type) {
const specifier = {
from: "file",
path: "src/**/some.ts",
};

return typeMatchesSpecifier(program, specifier, type);
}

function isTypeFromTSLib(program: ts.Program, type: ts.Type) {
const specifier = {
from: "lib",
};

return typeMatchesSpecifier(program, specifier, type);
}
``