create-expo-cljs-app
Version:
Create a react native application with Expo and Shadow-CLJS!
379 lines (350 loc) • 10.8 kB
JavaScript
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @noflow
*/
/* eslint no-bitwise: 0 */
'use strict';
function normalizeColor(color) {
if (typeof color === 'number') {
if (color >>> 0 === color && color >= 0 && color <= 0xffffffff) {
return color;
}
return null;
}
if (typeof color !== 'string') {
return null;
}
const matchers = getMatchers();
let match;
// Ordered based on occurrences on Facebook codebase
if ((match = matchers.hex6.exec(color))) {
return parseInt(match[1] + 'ff', 16) >>> 0;
}
const colorFromKeyword = normalizeKeyword(color);
if (colorFromKeyword != null) {
return colorFromKeyword;
}
if ((match = matchers.rgb.exec(color))) {
return (
((parse255(match[1]) << 24) | // r
(parse255(match[2]) << 16) | // g
(parse255(match[3]) << 8) | // b
0x000000ff) >>> // a
0
);
}
if ((match = matchers.rgba.exec(color))) {
return (
((parse255(match[1]) << 24) | // r
(parse255(match[2]) << 16) | // g
(parse255(match[3]) << 8) | // b
parse1(match[4])) >>> // a
0
);
}
if ((match = matchers.hex3.exec(color))) {
return (
parseInt(
match[1] +
match[1] + // r
match[2] +
match[2] + // g
match[3] +
match[3] + // b
'ff', // a
16,
) >>> 0
);
}
// https://drafts.csswg.org/css-color-4/#hex-notation
if ((match = matchers.hex8.exec(color))) {
return parseInt(match[1], 16) >>> 0;
}
if ((match = matchers.hex4.exec(color))) {
return (
parseInt(
match[1] +
match[1] + // r
match[2] +
match[2] + // g
match[3] +
match[3] + // b
match[4] +
match[4], // a
16,
) >>> 0
);
}
if ((match = matchers.hsl.exec(color))) {
return (
(hslToRgb(
parse360(match[1]), // h
parsePercentage(match[2]), // s
parsePercentage(match[3]), // l
) |
0x000000ff) >>> // a
0
);
}
if ((match = matchers.hsla.exec(color))) {
return (
(hslToRgb(
parse360(match[1]), // h
parsePercentage(match[2]), // s
parsePercentage(match[3]), // l
) |
parse1(match[4])) >>> // a
0
);
}
return null;
}
function hue2rgb(p, q, t) {
if (t < 0) {
t += 1;
}
if (t > 1) {
t -= 1;
}
if (t < 1 / 6) {
return p + (q - p) * 6 * t;
}
if (t < 1 / 2) {
return q;
}
if (t < 2 / 3) {
return p + (q - p) * (2 / 3 - t) * 6;
}
return p;
}
function hslToRgb(h, s, l) {
const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
const p = 2 * l - q;
const r = hue2rgb(p, q, h + 1 / 3);
const g = hue2rgb(p, q, h);
const b = hue2rgb(p, q, h - 1 / 3);
return (
(Math.round(r * 255) << 24) |
(Math.round(g * 255) << 16) |
(Math.round(b * 255) << 8)
);
}
const NUMBER = '[-+]?\\d*\\.?\\d+';
const PERCENTAGE = NUMBER + '%';
function call(...args) {
return '\\(\\s*(' + args.join(')\\s*,\\s*(') + ')\\s*\\)';
}
let cachedMatchers;
function getMatchers() {
if (cachedMatchers === undefined) {
cachedMatchers = {
rgb: new RegExp('rgb' + call(NUMBER, NUMBER, NUMBER)),
rgba: new RegExp('rgba' + call(NUMBER, NUMBER, NUMBER, NUMBER)),
hsl: new RegExp('hsl' + call(NUMBER, PERCENTAGE, PERCENTAGE)),
hsla: new RegExp('hsla' + call(NUMBER, PERCENTAGE, PERCENTAGE, NUMBER)),
hex3: /^#([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
hex4: /^#([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
hex6: /^#([0-9a-fA-F]{6})$/,
hex8: /^#([0-9a-fA-F]{8})$/,
};
}
return cachedMatchers;
}
function parse255(str) {
const int = parseInt(str, 10);
if (int < 0) {
return 0;
}
if (int > 255) {
return 255;
}
return int;
}
function parse360(str) {
const int = parseFloat(str);
return (((int % 360) + 360) % 360) / 360;
}
function parse1(str) {
const num = parseFloat(str);
if (num < 0) {
return 0;
}
if (num > 1) {
return 255;
}
return Math.round(num * 255);
}
function parsePercentage(str) {
// parseFloat conveniently ignores the final %
const int = parseFloat(str);
if (int < 0) {
return 0;
}
if (int > 100) {
return 1;
}
return int / 100;
}
function normalizeKeyword(name) {
// prettier-ignore
switch (name) {
case 'transparent': return 0x00000000;
// http://www.w3.org/TR/css3-color/#svg-color
case 'aliceblue': return 0xf0f8ffff;
case 'antiquewhite': return 0xfaebd7ff;
case 'aqua': return 0x00ffffff;
case 'aquamarine': return 0x7fffd4ff;
case 'azure': return 0xf0ffffff;
case 'beige': return 0xf5f5dcff;
case 'bisque': return 0xffe4c4ff;
case 'black': return 0x000000ff;
case 'blanchedalmond': return 0xffebcdff;
case 'blue': return 0x0000ffff;
case 'blueviolet': return 0x8a2be2ff;
case 'brown': return 0xa52a2aff;
case 'burlywood': return 0xdeb887ff;
case 'burntsienna': return 0xea7e5dff;
case 'cadetblue': return 0x5f9ea0ff;
case 'chartreuse': return 0x7fff00ff;
case 'chocolate': return 0xd2691eff;
case 'coral': return 0xff7f50ff;
case 'cornflowerblue': return 0x6495edff;
case 'cornsilk': return 0xfff8dcff;
case 'crimson': return 0xdc143cff;
case 'cyan': return 0x00ffffff;
case 'darkblue': return 0x00008bff;
case 'darkcyan': return 0x008b8bff;
case 'darkgoldenrod': return 0xb8860bff;
case 'darkgray': return 0xa9a9a9ff;
case 'darkgreen': return 0x006400ff;
case 'darkgrey': return 0xa9a9a9ff;
case 'darkkhaki': return 0xbdb76bff;
case 'darkmagenta': return 0x8b008bff;
case 'darkolivegreen': return 0x556b2fff;
case 'darkorange': return 0xff8c00ff;
case 'darkorchid': return 0x9932ccff;
case 'darkred': return 0x8b0000ff;
case 'darksalmon': return 0xe9967aff;
case 'darkseagreen': return 0x8fbc8fff;
case 'darkslateblue': return 0x483d8bff;
case 'darkslategray': return 0x2f4f4fff;
case 'darkslategrey': return 0x2f4f4fff;
case 'darkturquoise': return 0x00ced1ff;
case 'darkviolet': return 0x9400d3ff;
case 'deeppink': return 0xff1493ff;
case 'deepskyblue': return 0x00bfffff;
case 'dimgray': return 0x696969ff;
case 'dimgrey': return 0x696969ff;
case 'dodgerblue': return 0x1e90ffff;
case 'firebrick': return 0xb22222ff;
case 'floralwhite': return 0xfffaf0ff;
case 'forestgreen': return 0x228b22ff;
case 'fuchsia': return 0xff00ffff;
case 'gainsboro': return 0xdcdcdcff;
case 'ghostwhite': return 0xf8f8ffff;
case 'gold': return 0xffd700ff;
case 'goldenrod': return 0xdaa520ff;
case 'gray': return 0x808080ff;
case 'green': return 0x008000ff;
case 'greenyellow': return 0xadff2fff;
case 'grey': return 0x808080ff;
case 'honeydew': return 0xf0fff0ff;
case 'hotpink': return 0xff69b4ff;
case 'indianred': return 0xcd5c5cff;
case 'indigo': return 0x4b0082ff;
case 'ivory': return 0xfffff0ff;
case 'khaki': return 0xf0e68cff;
case 'lavender': return 0xe6e6faff;
case 'lavenderblush': return 0xfff0f5ff;
case 'lawngreen': return 0x7cfc00ff;
case 'lemonchiffon': return 0xfffacdff;
case 'lightblue': return 0xadd8e6ff;
case 'lightcoral': return 0xf08080ff;
case 'lightcyan': return 0xe0ffffff;
case 'lightgoldenrodyellow': return 0xfafad2ff;
case 'lightgray': return 0xd3d3d3ff;
case 'lightgreen': return 0x90ee90ff;
case 'lightgrey': return 0xd3d3d3ff;
case 'lightpink': return 0xffb6c1ff;
case 'lightsalmon': return 0xffa07aff;
case 'lightseagreen': return 0x20b2aaff;
case 'lightskyblue': return 0x87cefaff;
case 'lightslategray': return 0x778899ff;
case 'lightslategrey': return 0x778899ff;
case 'lightsteelblue': return 0xb0c4deff;
case 'lightyellow': return 0xffffe0ff;
case 'lime': return 0x00ff00ff;
case 'limegreen': return 0x32cd32ff;
case 'linen': return 0xfaf0e6ff;
case 'magenta': return 0xff00ffff;
case 'maroon': return 0x800000ff;
case 'mediumaquamarine': return 0x66cdaaff;
case 'mediumblue': return 0x0000cdff;
case 'mediumorchid': return 0xba55d3ff;
case 'mediumpurple': return 0x9370dbff;
case 'mediumseagreen': return 0x3cb371ff;
case 'mediumslateblue': return 0x7b68eeff;
case 'mediumspringgreen': return 0x00fa9aff;
case 'mediumturquoise': return 0x48d1ccff;
case 'mediumvioletred': return 0xc71585ff;
case 'midnightblue': return 0x191970ff;
case 'mintcream': return 0xf5fffaff;
case 'mistyrose': return 0xffe4e1ff;
case 'moccasin': return 0xffe4b5ff;
case 'navajowhite': return 0xffdeadff;
case 'navy': return 0x000080ff;
case 'oldlace': return 0xfdf5e6ff;
case 'olive': return 0x808000ff;
case 'olivedrab': return 0x6b8e23ff;
case 'orange': return 0xffa500ff;
case 'orangered': return 0xff4500ff;
case 'orchid': return 0xda70d6ff;
case 'palegoldenrod': return 0xeee8aaff;
case 'palegreen': return 0x98fb98ff;
case 'paleturquoise': return 0xafeeeeff;
case 'palevioletred': return 0xdb7093ff;
case 'papayawhip': return 0xffefd5ff;
case 'peachpuff': return 0xffdab9ff;
case 'peru': return 0xcd853fff;
case 'pink': return 0xffc0cbff;
case 'plum': return 0xdda0ddff;
case 'powderblue': return 0xb0e0e6ff;
case 'purple': return 0x800080ff;
case 'rebeccapurple': return 0x663399ff;
case 'red': return 0xff0000ff;
case 'rosybrown': return 0xbc8f8fff;
case 'royalblue': return 0x4169e1ff;
case 'saddlebrown': return 0x8b4513ff;
case 'salmon': return 0xfa8072ff;
case 'sandybrown': return 0xf4a460ff;
case 'seagreen': return 0x2e8b57ff;
case 'seashell': return 0xfff5eeff;
case 'sienna': return 0xa0522dff;
case 'silver': return 0xc0c0c0ff;
case 'skyblue': return 0x87ceebff;
case 'slateblue': return 0x6a5acdff;
case 'slategray': return 0x708090ff;
case 'slategrey': return 0x708090ff;
case 'snow': return 0xfffafaff;
case 'springgreen': return 0x00ff7fff;
case 'steelblue': return 0x4682b4ff;
case 'tan': return 0xd2b48cff;
case 'teal': return 0x008080ff;
case 'thistle': return 0xd8bfd8ff;
case 'tomato': return 0xff6347ff;
case 'turquoise': return 0x40e0d0ff;
case 'violet': return 0xee82eeff;
case 'wheat': return 0xf5deb3ff;
case 'white': return 0xffffffff;
case 'whitesmoke': return 0xf5f5f5ff;
case 'yellow': return 0xffff00ff;
case 'yellowgreen': return 0x9acd32ff;
}
return null;
}
module.exports = normalizeColor;