[unist]: add types (#19472)

types/unist/index.d.ts

@@ -0,0 +1,39 @@
+// Type definitions for Unist 1.0
+// Project: https://github.com/syntax-tree/unist
+// Definitions by: bizen241 <https://github.com/bizen241>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
+
+export interface Node {
+    type: string;
+    data?: Data;
+    position?: Position;
+}
+
+export interface Data {
+    [key: string]: string | number | object | any[] | boolean | null;
+}
+
+export interface Position {
+    start: Point;
+    end: Point;
+    /** >= 1 */
+    indent?: number[];
+}
+
+export interface Point {
+    /** >= 1 */
+    line: number;
+    /** >= 1 */
+    column: number;
+    /** >= 0 */
+    offset?: number;
+}
+
+export interface Parent extends Node {
+    children: Node[];
+}
+
+export interface Text extends Node {
+    value: string;
+}

types/unist/tsconfig.json

@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "unist-tests.ts"
+    ]
+}

types/unist/tslint.json

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

types/unist/unist-tests.ts

@@ -0,0 +1,49 @@
+import * as Unist from 'unist';
+
+const data: Unist.Data = {
+    string: 'string',
+    number: 1,
+    object: {
+        key: 'value',
+    },
+    array: [],
+    boolean: true,
+    null: null,
+};
+
+const point: Unist.Point = {
+    line: 1,
+    column: 1,
+    offset: 0,
+};
+
+const position: Unist.Position = {
+    start: point,
+    end: point,
+    indent: [
+        1,
+    ],
+};
+
+const node: Unist.Node = {
+    type: 'node',
+    data,
+    position,
+};
+
+const text: Unist.Text = {
+    type: 'text',
+    data,
+    position,
+    value: 'value',
+};
+
+const parent: Unist.Parent = {
+    type: 'parent',
+    data,
+    position,
+    children: [
+        node,
+        text,
+    ],
+};