371 lines
No EOL
8.4 KiB
JavaScript
Executable file
371 lines
No EOL
8.4 KiB
JavaScript
Executable file
/*
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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function normalizeColor(color) {
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var match;
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if (typeof color === 'number') {
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if (color >>> 0 === color && color >= 0 && color <= 0xffffffff) {
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return color;
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}
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return null;
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}
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// Ordered based on occurrences on Facebook codebase
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if ((match = matchers.hex6.exec(color))) {
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return parseInt(match[1] + 'ff', 16) >>> 0;
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}
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if (names.hasOwnProperty(color)) {
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return names[color];
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}
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if ((match = matchers.rgb.exec(color))) {
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return (
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parse255(match[1]) << 24 | // r
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parse255(match[2]) << 16 | // g
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parse255(match[3]) << 8 | // b
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0x000000ff // a
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) >>> 0;
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}
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if ((match = matchers.rgba.exec(color))) {
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return (
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parse255(match[1]) << 24 | // r
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parse255(match[2]) << 16 | // g
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parse255(match[3]) << 8 | // b
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parse1(match[4]) // a
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) >>> 0;
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}
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if ((match = matchers.hex3.exec(color))) {
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return parseInt(
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match[1] + match[1] + // r
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match[2] + match[2] + // g
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match[3] + match[3] + // b
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'ff', // a
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16
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) >>> 0;
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}
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// https://drafts.csswg.org/css-color-4/#hex-notation
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if ((match = matchers.hex8.exec(color))) {
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return parseInt(match[1], 16) >>> 0;
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}
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if ((match = matchers.hex4.exec(color))) {
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return parseInt(
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match[1] + match[1] + // r
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match[2] + match[2] + // g
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match[3] + match[3] + // b
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match[4] + match[4], // a
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16
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) >>> 0;
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}
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if ((match = matchers.hsl.exec(color))) {
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return (
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hslToRgb(
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parse360(match[1]), // h
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parsePercentage(match[2]), // s
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parsePercentage(match[3]) // l
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) |
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0x000000ff // a
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) >>> 0;
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}
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if ((match = matchers.hsla.exec(color))) {
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return (
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hslToRgb(
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parse360(match[1]), // h
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parsePercentage(match[2]), // s
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parsePercentage(match[3]) // l
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) |
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parse1(match[4]) // a
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) >>> 0;
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}
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return null;
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}
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function hue2rgb(p, q, t) {
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if (t < 0) {
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t += 1;
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}
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if (t > 1) {
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t -= 1;
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}
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if (t < 1 / 6) {
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return p + (q - p) * 6 * t;
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}
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if (t < 1 / 2) {
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return q;
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}
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if (t < 2 / 3) {
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return p + (q - p) * (2 / 3 - t) * 6;
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}
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return p;
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}
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function hslToRgb(h, s, l) {
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var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
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var p = 2 * l - q;
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var r = hue2rgb(p, q, h + 1 / 3);
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var g = hue2rgb(p, q, h);
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var b = hue2rgb(p, q, h - 1 / 3);
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return (
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Math.round(r * 255) << 24 |
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Math.round(g * 255) << 16 |
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Math.round(b * 255) << 8
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);
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}
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// var INTEGER = '[-+]?\\d+';
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var NUMBER = '[-+]?\\d*\\.?\\d+';
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var PERCENTAGE = NUMBER + '%';
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function toArray(arrayLike) {
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return Array.prototype.slice.call(arrayLike, 0);
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}
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function call() {
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return '\\(\\s*(' + toArray(arguments).join(')\\s*,\\s*(') + ')\\s*\\)';
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}
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var matchers = {
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rgb: new RegExp('rgb' + call(NUMBER, NUMBER, NUMBER)),
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rgba: new RegExp('rgba' + call(NUMBER, NUMBER, NUMBER, NUMBER)),
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hsl: new RegExp('hsl' + call(NUMBER, PERCENTAGE, PERCENTAGE)),
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hsla: new RegExp('hsla' + call(NUMBER, PERCENTAGE, PERCENTAGE, NUMBER)),
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hex3: /^#([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
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hex4: /^#([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
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hex6: /^#([0-9a-fA-F]{6})$/,
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hex8: /^#([0-9a-fA-F]{8})$/,
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};
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function parse255(str) {
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var int = parseInt(str, 10);
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if (int < 0) {
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return 0;
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}
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if (int > 255) {
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return 255;
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}
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return int;
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}
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function parse360(str) {
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var int = parseFloat(str);
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return (((int % 360) + 360) % 360) / 360;
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}
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function parse1(str) {
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var num = parseFloat(str);
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if (num < 0) {
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return 0;
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}
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if (num > 1) {
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return 255;
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}
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return Math.round(num * 255);
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}
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function parsePercentage(str) {
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// parseFloat conveniently ignores the final %
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var int = parseFloat(str, 10);
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if (int < 0) {
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return 0;
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}
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if (int > 100) {
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return 1;
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}
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return int / 100;
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}
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var names = {
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transparent: 0x00000000,
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// http://www.w3.org/TR/css3-color/#svg-color
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aliceblue: 0xf0f8ffff,
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antiquewhite: 0xfaebd7ff,
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aqua: 0x00ffffff,
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aquamarine: 0x7fffd4ff,
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azure: 0xf0ffffff,
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beige: 0xf5f5dcff,
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bisque: 0xffe4c4ff,
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black: 0x000000ff,
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blanchedalmond: 0xffebcdff,
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blue: 0x0000ffff,
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blueviolet: 0x8a2be2ff,
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brown: 0xa52a2aff,
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burlywood: 0xdeb887ff,
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burntsienna: 0xea7e5dff,
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cadetblue: 0x5f9ea0ff,
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chartreuse: 0x7fff00ff,
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chocolate: 0xd2691eff,
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coral: 0xff7f50ff,
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cornflowerblue: 0x6495edff,
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cornsilk: 0xfff8dcff,
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crimson: 0xdc143cff,
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cyan: 0x00ffffff,
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darkblue: 0x00008bff,
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darkcyan: 0x008b8bff,
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darkgoldenrod: 0xb8860bff,
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darkgray: 0xa9a9a9ff,
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darkgreen: 0x006400ff,
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darkgrey: 0xa9a9a9ff,
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darkkhaki: 0xbdb76bff,
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darkmagenta: 0x8b008bff,
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darkolivegreen: 0x556b2fff,
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darkorange: 0xff8c00ff,
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darkorchid: 0x9932ccff,
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darkred: 0x8b0000ff,
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darksalmon: 0xe9967aff,
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darkseagreen: 0x8fbc8fff,
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darkslateblue: 0x483d8bff,
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darkslategray: 0x2f4f4fff,
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darkslategrey: 0x2f4f4fff,
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darkturquoise: 0x00ced1ff,
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darkviolet: 0x9400d3ff,
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deeppink: 0xff1493ff,
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deepskyblue: 0x00bfffff,
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dimgray: 0x696969ff,
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dimgrey: 0x696969ff,
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dodgerblue: 0x1e90ffff,
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firebrick: 0xb22222ff,
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floralwhite: 0xfffaf0ff,
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forestgreen: 0x228b22ff,
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fuchsia: 0xff00ffff,
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gainsboro: 0xdcdcdcff,
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ghostwhite: 0xf8f8ffff,
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gold: 0xffd700ff,
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goldenrod: 0xdaa520ff,
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gray: 0x808080ff,
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green: 0x008000ff,
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greenyellow: 0xadff2fff,
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grey: 0x808080ff,
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honeydew: 0xf0fff0ff,
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hotpink: 0xff69b4ff,
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indianred: 0xcd5c5cff,
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indigo: 0x4b0082ff,
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ivory: 0xfffff0ff,
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khaki: 0xf0e68cff,
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lavender: 0xe6e6faff,
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lavenderblush: 0xfff0f5ff,
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lawngreen: 0x7cfc00ff,
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lemonchiffon: 0xfffacdff,
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lightblue: 0xadd8e6ff,
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lightcoral: 0xf08080ff,
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lightcyan: 0xe0ffffff,
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lightgoldenrodyellow: 0xfafad2ff,
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lightgray: 0xd3d3d3ff,
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lightgreen: 0x90ee90ff,
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lightgrey: 0xd3d3d3ff,
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lightpink: 0xffb6c1ff,
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lightsalmon: 0xffa07aff,
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lightseagreen: 0x20b2aaff,
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lightskyblue: 0x87cefaff,
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lightslategray: 0x778899ff,
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lightslategrey: 0x778899ff,
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lightsteelblue: 0xb0c4deff,
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lightyellow: 0xffffe0ff,
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lime: 0x00ff00ff,
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limegreen: 0x32cd32ff,
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linen: 0xfaf0e6ff,
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magenta: 0xff00ffff,
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maroon: 0x800000ff,
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mediumaquamarine: 0x66cdaaff,
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mediumblue: 0x0000cdff,
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mediumorchid: 0xba55d3ff,
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mediumpurple: 0x9370dbff,
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mediumseagreen: 0x3cb371ff,
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mediumslateblue: 0x7b68eeff,
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mediumspringgreen: 0x00fa9aff,
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mediumturquoise: 0x48d1ccff,
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mediumvioletred: 0xc71585ff,
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midnightblue: 0x191970ff,
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mintcream: 0xf5fffaff,
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mistyrose: 0xffe4e1ff,
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moccasin: 0xffe4b5ff,
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navajowhite: 0xffdeadff,
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navy: 0x000080ff,
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oldlace: 0xfdf5e6ff,
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olive: 0x808000ff,
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olivedrab: 0x6b8e23ff,
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orange: 0xffa500ff,
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orangered: 0xff4500ff,
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orchid: 0xda70d6ff,
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palegoldenrod: 0xeee8aaff,
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palegreen: 0x98fb98ff,
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paleturquoise: 0xafeeeeff,
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palevioletred: 0xdb7093ff,
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papayawhip: 0xffefd5ff,
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peachpuff: 0xffdab9ff,
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peru: 0xcd853fff,
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pink: 0xffc0cbff,
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plum: 0xdda0ddff,
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powderblue: 0xb0e0e6ff,
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purple: 0x800080ff,
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rebeccapurple: 0x663399ff,
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red: 0xff0000ff,
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rosybrown: 0xbc8f8fff,
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royalblue: 0x4169e1ff,
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saddlebrown: 0x8b4513ff,
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salmon: 0xfa8072ff,
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sandybrown: 0xf4a460ff,
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seagreen: 0x2e8b57ff,
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seashell: 0xfff5eeff,
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sienna: 0xa0522dff,
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silver: 0xc0c0c0ff,
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skyblue: 0x87ceebff,
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slateblue: 0x6a5acdff,
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slategray: 0x708090ff,
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slategrey: 0x708090ff,
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snow: 0xfffafaff,
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springgreen: 0x00ff7fff,
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steelblue: 0x4682b4ff,
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tan: 0xd2b48cff,
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teal: 0x008080ff,
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thistle: 0xd8bfd8ff,
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tomato: 0xff6347ff,
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turquoise: 0x40e0d0ff,
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violet: 0xee82eeff,
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wheat: 0xf5deb3ff,
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white: 0xffffffff,
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whitesmoke: 0xf5f5f5ff,
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yellow: 0xffff00ff,
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yellowgreen: 0x9acd32ff,
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};
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function rgba(colorInt) {
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var r = Math.round(((colorInt & 0xff000000) >>> 24));
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var g = Math.round(((colorInt & 0x00ff0000) >>> 16));
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var b = Math.round(((colorInt & 0x0000ff00) >>> 8));
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var a = ((colorInt & 0x000000ff) >>> 0) / 255;
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return {
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r: r,
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g: g,
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b: b,
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a: a,
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};
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};
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normalizeColor.rgba = rgba;
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module.exports = normalizeColor;
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//////////////////
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// WEBPACK FOOTER
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// ./~/normalize-css-color/index.js
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// module id = 2621
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// module chunks = 2
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