[simple-diff] Add simple-diff types (#47956)

* [simple-diff] Add simple-diff types

* Fix

* More lint

* Rename

* Fix

types/simple-diff/index.d.ts

@@ -0,0 +1,101 @@
+// Type definitions for simple-diff 1.6
+// Project: https://github.com/redexp/simple-diff#readme
+// Definitions by: Nathan Bierema <https://github.com/Methuselah96>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare namespace simpleDiff {
+    type Path = Array<string | number>;
+
+    interface AddEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'add';
+        oldValue: undefined;
+        newValue: unknown;
+    }
+
+    interface RemoveEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'remove';
+        oldValue: unknown;
+        newValue: undefined;
+    }
+
+    interface ChangeEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'change';
+        oldValue: unknown;
+        newValue: unknown;
+    }
+
+    interface AddItemEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'add-item';
+        oldIndex: -1;
+        curIndex: -1;
+        newIndex: number;
+        newValue: unknown;
+    }
+
+    interface RemoveItemEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'remove-item';
+        oldIndex: number;
+        curIndex: number;
+        newIndex: -1;
+        oldValue: unknown;
+    }
+
+    interface MoveItemEvent {
+        oldPath: Path;
+        newPath: Path;
+        type: 'move-item';
+        oldIndex: number;
+        curIndex: number;
+        newIndex: number;
+    }
+
+    type Event =
+        | AddEvent
+        | RemoveEvent
+        | ChangeEvent
+        | AddItemEvent
+        | RemoveItemEvent
+        | MoveItemEvent;
+
+    interface Options {
+        idProp?: string;
+        idProps?: {
+            [path: string]: string;
+        };
+        comparators?: Array<[
+            unknown,
+            (
+                oldValue: unknown,
+                newValue: unknown,
+                options: { oldPath: Path; newPath: Path }
+            ) => boolean
+        ]>;
+        ignore?: (
+            oldValue: unknown,
+            newValue: unknown,
+            options: { oldPath: Path; newPath: Path }
+        ) => boolean;
+        callback?: (event: Event) => void;
+        addEvent?: string;
+        changeEvent?: string;
+        removeEvent?: string;
+        addItemEvent?: string;
+        removeItemEvent?: string;
+        moveItemEvent?: string;
+    }
+}
+
+declare function simpleDiff(oldObj: unknown, newObj: unknown, options?: simpleDiff.Options): simpleDiff.Event[];
+
+export as namespace simpleDiff;
+export = simpleDiff;

types/simple-diff/simple-diff-tests.ts

@@ -0,0 +1,17 @@
+import diff = require('simple-diff');
+
+declare const oldObject: unknown;
+declare const newObject: unknown;
+
+const changes = diff(oldObject, newObject, {
+    idProp: '_id',
+    idProps: {
+        "prop1.prop2.*.prop3": "cid"
+    },
+    comparators: [
+        [Date, (a, b, ops) => true]
+    ],
+    ignore: (a, b, { oldPath }) => {
+        return oldPath.join('.') === 'prop.test1';
+    }
+});

types/simple-diff/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "simple-diff-tests.ts"
+    ]
+}

types/simple-diff/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }