From 5fbe400c5fa5b1963cffbb12e9049642af79b455 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20B=C5=82a=C5=BCejewicz=20=28Peter=20Blazejewicz=29?=
 <peterblazejewicz@users.noreply.github.com>
Date: Mon, 21 Sep 2020 21:51:17 +0200
Subject: [PATCH] feat(get-image-colors): new definition (#47809)

- definition types
- tests

https://github.com/colorjs/get-image-colors

Thanks!
---
 .../get-image-colors-tests.ts                 | 28 ++++++++++++++++
 types/get-image-colors/index.d.ts             | 32 +++++++++++++++++++
 types/get-image-colors/tsconfig.json          | 23 +++++++++++++
 types/get-image-colors/tslint.json            |  1 +
 4 files changed, 84 insertions(+)
 create mode 100644 types/get-image-colors/get-image-colors-tests.ts
 create mode 100644 types/get-image-colors/index.d.ts
 create mode 100644 types/get-image-colors/tsconfig.json
 create mode 100644 types/get-image-colors/tslint.json

diff --git a/types/get-image-colors/get-image-colors-tests.ts b/types/get-image-colors/get-image-colors-tests.ts
new file mode 100644
index 0000000000..b85a2cad87
--- /dev/null
+++ b/types/get-image-colors/get-image-colors-tests.ts
@@ -0,0 +1,28 @@
+import path = require('path');
+import fs = require('fs');
+import getColors = require('get-image-colors');
+import { Options } from 'get-image-colors';
+
+const buffer = fs.readFileSync(path.join(__dirname, 'double-rainbow.gif'));
+const options: Options = {
+    count: 10,
+    type: 'image/png',
+};
+
+getColors('./path').then(colors => {
+    colors; // $ExpectType Color[]
+});
+getColors('./path', (err, colors) => {
+    if (err) throw err;
+    colors; // $ExpectType Color[]
+});
+
+getColors(buffer, 'image/gif').then(colors => {
+    colors; // $ExpectType Color[]
+    colors.map(color => color.hex());
+    colors[0].alpha(0.5).css();
+});
+
+getColors(path.join(__dirname, 'double-rainbow.png'), options).then(colors => {
+    colors; // $ExpectType Color[]
+});
diff --git a/types/get-image-colors/index.d.ts b/types/get-image-colors/index.d.ts
new file mode 100644
index 0000000000..b0ca5856bd
--- /dev/null
+++ b/types/get-image-colors/index.d.ts
@@ -0,0 +1,32 @@
+// Type definitions for get-image-colors 2.0
+// Project: https://github.com/colorjs/get-image-colors#readme
+// Definitions by: Piotr Błażejewicz <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+/// <reference types="node" />
+import chroma = require('chroma-js');
+
+/**
+ * Extract colors from images. Supports GIF, JPG, PNG, and even SVG!
+ */
+declare function colorPalette(input: Buffer, options: colorPalette.Options, callback: chroma.Color[]): void;
+declare function colorPalette(input: Buffer, type: string, callback: colorPalette.Callback): void;
+declare function colorPalette(input: Buffer, type: string): Promise<chroma.Color[]>;
+declare function colorPalette(input: string, options?: colorPalette.Options): Promise<chroma.Color[]>;
+declare function colorPalette(input: string, callback: colorPalette.Callback): void;
+
+declare namespace colorPalette {
+    interface Options {
+        type?: string;
+        /**
+         * @default 5
+         */
+        count?: number;
+    }
+
+    /**
+     * If you don't like promises, you can use node-style callbacks too
+     */
+    type Callback = (error: Error | null, colors: chroma.Color[]) => void;
+}
+
+export = colorPalette;
diff --git a/types/get-image-colors/tsconfig.json b/types/get-image-colors/tsconfig.json
new file mode 100644
index 0000000000..0861391074
--- /dev/null
+++ b/types/get-image-colors/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",
+        "get-image-colors-tests.ts"
+    ]
+}
diff --git a/types/get-image-colors/tslint.json b/types/get-image-colors/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/get-image-colors/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }