Merge pull request #31541 from Slessi/jpeg-autorotate

Types for jpeg-autorotate

types/jpeg-autorotate/index.d.ts

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+// Type definitions for jpeg-autorotate 4.0
+// Project: https://github.com/johansatge/jpeg-autorotate#readme
+// Definitions by: Slessi <https://github.com/Slessi>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
+
+/// <reference types="node" />
+
+export enum errors {
+    read_file = "read_file",
+    read_exif = "read_exif",
+    no_orientation = "no_orientation",
+    unknown_orientation = "unknown_orientation",
+    correct_orientation = "correct_orientation",
+    rotate_file = "rotate_file",
+}
+
+export interface CustomError extends Error {
+    code: errors;
+}
+
+export function rotate(
+    path_or_buffer: string | Buffer,
+    options?: { quality?: number },
+    module_callback?: (
+        error: CustomError | null,
+        buffer: Buffer | null,
+        orientation: number | null,
+        dimensions: { height: number; width: number } | null,
+    ) => void,
+): void;

types/jpeg-autorotate/jpeg-autorotate-tests.ts

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+import * as jo from "jpeg-autorotate";
+
+jo.rotate("img.jpg");
+jo.rotate(new Buffer(""));
+jo.rotate(new Buffer(""), { quality: 50 });
+jo.rotate("img.jpg", { quality: 100 }, (error, buffer, orientation, dimensions) => {
+    if (error && error.code === jo.errors.correct_orientation) {
+        console.log("The orientation of this image is already correct!");
+    }
+
+    if (orientation) {
+        console.log("Orientation was: " + orientation);
+    }
+
+    if (dimensions) {
+        console.log("Height after rotation: " + dimensions.height);
+        console.log("Width after rotation: " + dimensions.width);
+    }
+
+    if (buffer) {
+        buffer.readInt8(0);
+    }
+});

types/jpeg-autorotate/tsconfig.json

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

types/jpeg-autorotate/tslint.json

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