Initial Commit

2026-01-15 21:52:12 +01:00
parent 3ed42cdeb6
commit 5a70f775f1
6702 changed files with 1389544 additions and 0 deletions
--- a/node_modules/color-parse/index.js
+++ b/node_modules/color-parse/index.js
@@ -0,0 +1,154 @@
+/**
+ * @module color-parse
+ */
+import names from 'color-name'
+
+export default parse
+
+/**
+ * Base hues
+ * http://dev.w3.org/csswg/css-color/#typedef-named-hue
+ */
+//FIXME: use external hue detector
+var baseHues = {
+	red: 0,
+	orange: 60,
+	yellow: 120,
+	green: 180,
+	blue: 240,
+	purple: 300
+}
+
+/**
+ * Parse color from the string passed
+ *
+ * @return {Object} A space indicator `space`, an array `values` and `alpha`
+ */
+function parse(cstr) {
+	var m, parts = [], alpha = 1, space
+
+	//numeric case
+	if (typeof cstr === 'number') {
+		return { space: 'rgb', values: [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff], alpha: 1 }
+	}
+	if (typeof cstr === 'number') return { space: 'rgb', values: [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff], alpha: 1 }
+
+	cstr = String(cstr).toLowerCase();
+
+	//keyword
+	if (names[cstr]) {
+		parts = names[cstr].slice()
+		space = 'rgb'
+	}
+
+	//reserved words
+	else if (cstr === 'transparent') {
+		alpha = 0
+		space = 'rgb'
+		parts = [0, 0, 0]
+	}
+
+	//hex
+	else if (cstr[0] === '#') {
+		var base = cstr.slice(1)
+		var size = base.length
+		var isShort = size <= 4
+		alpha = 1
+
+		if (isShort) {
+			parts = [
+				parseInt(base[0] + base[0], 16),
+				parseInt(base[1] + base[1], 16),
+				parseInt(base[2] + base[2], 16)
+			]
+			if (size === 4) {
+				alpha = parseInt(base[3] + base[3], 16) / 255
+			}
+		}
+		else {
+			parts = [
+				parseInt(base[0] + base[1], 16),
+				parseInt(base[2] + base[3], 16),
+				parseInt(base[4] + base[5], 16)
+			]
+			if (size === 8) {
+				alpha = parseInt(base[6] + base[7], 16) / 255
+			}
+		}
+
+		if (!parts[0]) parts[0] = 0
+		if (!parts[1]) parts[1] = 0
+		if (!parts[2]) parts[2] = 0
+
+		space = 'rgb'
+	}
+
+	// color space
+	else if (m = /^((?:rgba?|hs[lvb]a?|hwba?|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms|oklch|oklab|color))\s*\(([^\)]*)\)/.exec(cstr)) {
+		var name = m[1]
+		space = name.replace(/a$/, '')
+		var dims = space === 'cmyk' ? 4 : space === 'gray' ? 1 : 3
+		parts = m[2].trim().split(/\s*[,\/]\s*|\s+/)
+
+		// color(srgb-linear x x x) -> srgb-linear(x x x)
+		if (space === 'color') space = parts.shift()
+
+		parts = parts.map(function (x, i) {
+			//<percentage>
+			if (x[x.length - 1] === '%') {
+				x = parseFloat(x) / 100
+				// alpha -> 0..1
+				if (i === 3) return x
+				// rgb -> 0..255
+				if (space === 'rgb') return x * 255
+				// hsl, hwb H -> 0..100
+				if (space[0] === 'h') return x * 100
+				// lch, lab L -> 0..100
+				if (space[0] === 'l' && !i) return x * 100
+				// lab A B -> -125..125
+				if (space === 'lab') return x * 125
+				// lch C -> 0..150, H -> 0..360
+				if (space === 'lch') return i < 2 ? x * 150 : x * 360
+				// oklch/oklab L -> 0..1
+				if (space[0] === 'o' && !i) return x
+				// oklab A B -> -0.4..0.4
+				if (space === 'oklab') return x * 0.4
+				// oklch C -> 0..0.4, H -> 0..360
+				if (space === 'oklch') return i < 2 ? x * 0.4 : x * 360
+				// color(xxx) -> 0..1
+				return x
+			}
+
+			//hue
+			if (space[i] === 'h' || (i === 2 && space[space.length - 1] === 'h')) {
+				//<base-hue>
+				if (baseHues[x] !== undefined) return baseHues[x]
+				//<deg>
+				if (x.endsWith('deg')) return parseFloat(x)
+				//<turn>
+				if (x.endsWith('turn')) return parseFloat(x) * 360
+				if (x.endsWith('grad')) return parseFloat(x) * 360 / 400
+				if (x.endsWith('rad')) return parseFloat(x) * 180 / Math.PI
+			}
+			if (x === 'none') return 0
+			return parseFloat(x)
+		});
+
+		alpha = parts.length > dims ? parts.pop() : 1
+	}
+
+	//named channels case
+	else if (/[0-9](?:\s|\/|,)/.test(cstr)) {
+		parts = cstr.match(/([0-9]+)/g).map(function (value) {
+			return parseFloat(value)
+		})
+
+		space = cstr.match(/([a-z])/ig)?.join('')?.toLowerCase() || 'rgb'
+	}
+
+	return {
+		space,
+		values: parts,
+		alpha
+	}
+}