1 files changed, 38 insertions, 0 deletions
diff --git a/node_modules/rgb-hex/index.js b/node_modules/rgb-hex/index.js
new file mode 100644
index 00000000..f7b8f4e7
--- /dev/null
+++ b/node_modules/rgb-hex/index.js
@@ -0,0 +1,38 @@
+'use strict';
+/* eslint-disable no-mixed-operators */
+module.exports = (red, green, blue, alpha) => {
+	const isPercent = (red + (alpha || '')).toString().includes('%');
+
+	if (typeof red === 'string') {
+		[red, green, blue, alpha] = red.match(/(0?\.?\d{1,3})%?\b/g).map(Number);
+	} else if (alpha !== undefined) {
+		alpha = parseFloat(alpha);
+	}
+
+	if (typeof red !== 'number' ||
+		typeof green !== 'number' ||
+		typeof blue !== 'number' ||
+		red > 255 ||
+		green > 255 ||
+		blue > 255
+	) {
+		throw new TypeError('Expected three numbers below 256');
+	}
+
+	if (typeof alpha === 'number') {
+		if (!isPercent && alpha >= 0 && alpha <= 1) {
+			alpha = Math.round(255 * alpha);
+		} else if (isPercent && alpha >= 0 && alpha <= 100) {
+			alpha = Math.round(255 * alpha / 100);
+		} else {
+			throw new TypeError(`Expected alpha value (${alpha}) as a fraction or percentage`);
+		}
+
+		alpha = (alpha | 1 << 8).toString(16).slice(1);
+	} else {
+		alpha = '';
+	}
+
+	return ((blue | green << 8 | red << 16) | 1 << 24).toString(16).slice(1) + alpha;
+};
+/* eslint-enable no-mixed-operators */