Initial commit

.editorconfig

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+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

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+node_modules
+.vscode
+yarn-debug.log*
+yarn-error.log*
+
+*.swp
+*.swo
+*.DS_Store

README.md

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+# Twitch Color Bot
+
+Setup the following environment variables:
+
+- `TWITCH_BOT_KEY` (required)
+  - You can generate a key here: https://twitchapps.com/tmi/
+- `TWITCH_BOT_USERNAME` (required)
+- `TWITCH_BOT_COLOR_MODE`
+  - Currently supports `random` and `loop`
+  - Random will select a random color with varying hue, saturation, and lightness.
+  - Loop will increment the hue value through the spectrum and loop.
+- `TWITCH_BOT_INTERVAL`
+  - Time between color changes in seconds. Default 10 seconds.
+
+## Running locally
+
+Install dependencies with `yarn install`.
+
+Run app
+
+```bash
+node index.js
+```

colorbot.config.js

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+module.exports = {
+	apps : [
+		{
+			name: "colorbot-twitch",
+			script: "./index.js",
+			watch: true,
+			env: {
+				"TWITCH_BOT_KEY": "",
+				"TWITCH_BOT_USERNAME": "",
+				"TWITCH_BOT_COLOR_MODE": "loop",
+				"TWITCH_BOT_INTERVAL": 10
+			}
+		}
+	]
+}

index.js

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+const tmi = require("tmi.js");
+const convert = require("color-convert");
+const chalk = require("chalk");
+
+const sleep = (waitTimeInMs) => new Promise(resolve => setTimeout(resolve, waitTimeInMs));
+
+let hue = 48;
+let sat = 89;
+let light = 50;
+
+let connected = false;
+
+if (!process.env.TWITCH_BOT_KEY || !process.env.TWITCH_BOT_USERNAME) {
+	console.log(
+		"TWITCH_BOT_KEY and TWITCH_BOT_USERNAME must be available as environment variables"
+	);
+	process.exit(1);
+}
+
+const colorMode = process.env.TWITCH_BOT_COLOR_MODE || "loop";
+
+const client = new tmi.Client({
+	connection: {
+		reconnect: true,
+		secure: true
+	},
+	identity: {
+		username: process.env.TWITCH_BOT_USERNAME,
+		password: process.env.TWITCH_BOT_KEY
+	},
+	channels: [process.env.TWITCH_BOT_USERNAME.toLowerCase()]
+});
+
+client.on("connected", onConnected);
+client.on("disconnected", onDisconnected);
+
+client.connect();
+
+function onConnected(addr, port) {
+	console.log(`* Connected to ${addr}:${port}`);
+
+	connected = true;
+	updateColor();
+}
+
+function onDisconnected(reason) {
+	console.log(`* Disconnected: ${reason}`);
+
+	connected = false;
+}
+
+function generateRandomColor() {
+	hue = Math.floor(Math.random() * 360);
+	sat = 20 + Math.floor(Math.random() * 60);
+	light = 40 + Math.floor(Math.random() * 40);
+}
+
+function incrementColorLoop() {
+	if (hue < 351) {
+		hue += 2;
+	} else {
+		hue = 0;
+	}
+}
+
+function updateColor() {
+	if (!connected) {
+		console.log('tried to update color while not connected.');
+		return;
+	}
+
+	if (colorMode === "random") {
+		generateRandomColor();
+	} else {
+		incrementColorLoop();
+	}
+
+	const color = convert.hsl.hex(hue, sat, light);
+	console.log(
+		`* Updating username color to`,
+		chalk.hex(`#${color}`)(`#${color}`)
+	);
+	client.color(`#${color}`);
+}
+
+const intervalTime = process.env.TWITCH_BOT_INTERVAL * 1000 || 10000;
+
+interval = setInterval(function () {
+	updateColor();
+}, intervalTime);

package.json

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+{
+	"name": "colorbot-twitch",
+	"version": "1.0.0",
+	"main": "index.js",
+	"author": "Manuel Hüsers",
+	"license": "MIT",
+	"dependencies": {
+		"chalk": "^4.1.0",
+		"color-convert": "^2.0.1",
+		"tmi.js": "^1.5.0"
+	},
+	"scripts": {
+		"start": "node index.js"
+	}
+}

yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-styles@^4.1.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
+chalk@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.0.tgz#4e14870a618d9e2edd97dd8345fd9d9dc315646a"
+  integrity sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
+node-fetch@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
+  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
+
+supports-color@^7.1.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
+  dependencies:
+    has-flag "^4.0.0"
+
+tmi.js@^1.5.0:
+  version "1.7.5"
+  resolved "https://registry.yarnpkg.com/tmi.js/-/tmi.js-1.7.5.tgz#da5ce238b8bb38c01c3c6717b73441b9f1c8ae84"
+  integrity sha512-j3kAnJ8KkWbvwhKhQchleyzZEuPa/5rWdeV7MNBEYEAqGhbZuXR+FfI1QgKphYqUrJ4qFAB3WjHG2YlhGq3PDg==
+  dependencies:
+    node-fetch "2.6.1"
+    ws "7.4.3"
+
+ws@7.4.3:
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.3.tgz#1f9643de34a543b8edb124bdcbc457ae55a6e5cd"
+  integrity sha512-hr6vCR76GsossIRsr8OLR9acVVm1jyfEWvhbNjtgPOrfvAlKzvyeg/P6r8RuDjRyrcQoPQT7K0DGEPc7Ae6jzA==