Add types for node-abi (#37238)

types/node-abi/index.d.ts

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+// Type definitions for node-abi 2.10
+// Project: https://github.com/lgeiger/node-abi#readme
+// Definitions by: Florian Keller <https://github.com/ffflorian>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export type Runtime = 'electron' | 'node' | 'node-webkit';
+export interface Target {
+    abi: string;
+    lts: boolean;
+    runtime: Runtime;
+    target: string;
+}
+
+export let additionalTargets: Target[];
+export let allTargets: Target[];
+export let deprecatedTargets: Target[];
+export let futureTargets: Target[];
+export let supportedTargets: Target[];
+
+export function getAbi(target: string, runtime?: Runtime): string;
+export function getTarget(abi?: string, runtime?: Runtime): string;
+export function _getNextTarget(runtime: Runtime, targets?: Target[]): string | null;

types/node-abi/node-abi-tests.ts

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+import * as nodeAbi from 'node-abi';
+
+nodeAbi.getAbi('7.2.0', 'electron'); // $ExpectType string
+nodeAbi.getAbi('1.4.10'); // $ExpectType string
+nodeAbi.getTarget('51', 'node'); // $ExpectType string
+nodeAbi.getTarget('50'); // $ExpectType string
+nodeAbi.getTarget(); // $ExpectType string
+nodeAbi._getNextTarget('electron', nodeAbi.allTargets); // $ExpectType string | null
+
+nodeAbi.allTargets; // $ExpectType Target[]
+nodeAbi.deprecatedTargets; // $ExpectType Target[]
+nodeAbi.supportedTargets; // $ExpectType Target[]
+nodeAbi.additionalTargets; // $ExpectType Target[]
+nodeAbi.futureTargets; // $ExpectType Target[]

types/node-abi/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "node-abi-tests.ts"
+    ]
+}

types/node-abi/tslint.json

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+{ "extends": "dtslint/dt.json" }