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[refactor] change const and let to var for compatibility

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zombieFox 2019-12-23 13:02:17 +00:00
parent b6832147ee
commit 7ee92ce725
1 changed files with 32 additions and 70 deletions
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102
src/js/helper.js
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@ -666,14 +666,14 @@ var helper = (function() {
};
convertColor.rgb.hsl = function(rgb) {
const r = rgb[0] / 255;
const g = rgb[1] / 255;
const b = rgb[2] / 255;
const min = Math.min(r, g, b);
const max = Math.max(r, g, b);
const delta = max - min;
let h;
let s;
var r = rgb[0] / 255;
var g = rgb[1] / 255;
var b = rgb[2] / 255;
var min = Math.min(r, g, b);
var max = Math.max(r, g, b);
var delta = max - min;
var h;
var s;
if (max === min) {
h = 0;
@ -683,15 +683,15 @@ var helper = (function() {
h = 2 + (b - r) / delta;
} else if (b === max) {
h = 4 + (r - g) / delta;
}
};
h = Math.min(h * 60, 360);
if (h < 0) {
h += 360;
}
};
const l = (min + max) / 2;
var l = (min + max) / 2;
if (max === min) {
s = 0;
@ -699,65 +699,27 @@ var helper = (function() {
s = delta / (max + min);
} else {
s = delta / (2 - max - min);
}
};
return [h, s * 100, l * 100];
};
convertColor.rgb.lab = function(rgb) {
const xyz = convertColor.rgb.xyz(rgb);
let x = xyz[0];
let y = xyz[1];
let z = xyz[2];
x /= 95.047;
y /= 100;
z /= 108.883;
x = x > 0.008856 ? (x ** (1 / 3)) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? (y ** (1 / 3)) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? (z ** (1 / 3)) : (7.787 * z) + (16 / 116);
const l = (116 * y) - 16;
const a = 500 * (x - y);
const b = 200 * (y - z);
return [l, a, b];
};
convertColor.rgb.xyz = function(rgb) {
let r = rgb[0] / 255;
let g = rgb[1] / 255;
let b = rgb[2] / 255;
// Assume sRGB
r = r > 0.04045 ? (((r + 0.055) / 1.055) ** 2.4) : (r / 12.92);
g = g > 0.04045 ? (((g + 0.055) / 1.055) ** 2.4) : (g / 12.92);
b = b > 0.04045 ? (((b + 0.055) / 1.055) ** 2.4) : (b / 12.92);
const x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
const y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
const z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
return [x * 100, y * 100, z * 100];
};
convertColor.rgb.hex = function(args) {
const integer = ((Math.round(args[0]) & 0xFF) << 16) +
var integer = ((Math.round(args[0]) & 0xFF) << 16) +
((Math.round(args[1]) & 0xFF) << 8) +
(Math.round(args[2]) & 0xFF);
const string = integer.toString(16).toUpperCase();
return '000000'.substring(string.length) + string;
var string = integer.toString(16).toUpperCase();
return "000000".substring(string.length) + string;
};
convertColor.hsl.rgb = function(hsl) {
const h = hsl[0] / 360;
const s = hsl[1] / 100;
const l = hsl[2] / 100;
let t2;
let t3;
let val;
var h = hsl[0] / 360;
var s = hsl[1] / 100;
var l = hsl[2] / 100;
var t2;
var t3;
var val;
if (s === 0) {
val = l * 255;
@ -770,10 +732,10 @@ var helper = (function() {
t2 = l + s - l * s;
}
const t1 = 2 * l - t2;
var t1 = 2 * l - t2;
const rgb = [0, 0, 0];
for (let i = 0; i < 3; i++) {
var rgb = [0, 0, 0];
for (var i = 0; i < 3; i++) {
t3 = h + 1 / 3 * -(i - 1);
if (t3 < 0) {
t3++;
@ -800,23 +762,23 @@ var helper = (function() {
};
convertColor.hex.rgb = function(args) {
const match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
if (!match) {
return [0, 0, 0];
}
let colorString = match[0];
var colorString = match[0];
if (match[0].length === 3) {
colorString = colorString.split('').map(char => {
colorString = colorString.split("").map(function(char) {
return char + char;
}).join('');
}).join("");
}
const integer = parseInt(colorString, 16);
const r = (integer >> 16) & 0xFF;
const g = (integer >> 8) & 0xFF;
const b = integer & 0xFF;
var integer = parseInt(colorString, 16);
var r = (integer >> 16) & 0xFF;
var g = (integer >> 8) & 0xFF;
var b = integer & 0xFF;
return [r, g, b];
};