78 lines
2 KiB
JavaScript
78 lines
2 KiB
JavaScript
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const { RichEmbed } = require('discord.js');
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const rgbToHSL = (red, green, blue) => {
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let r = red / 255;
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let g = green / 255;
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let b = blue / 255;
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let max = Math.max(r, g, b), min = Math.min(r, g, b);
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let h, s, l = (max + min) / 2;
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if (max == min) {
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h = s = 0;
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} else {
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let d = max - min;
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s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
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switch (max) {
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case r: h = (g - b) / d + (g < b ? 6 : 0); break;
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case g: h = (b - r) / d + 2; break;
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case b: h = (r - g) / d + 4; break;
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}
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h /= 6;
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}
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h = Math.round(h * 360);
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s = Math.round(s * 100);
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l = Math.round(l * 100);
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return { hue: h, saturation: s, lightness: l };
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};
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const resolveColor = input => {
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if (input.startsWith('#')) input = input.substr(1);
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if (input.length === 3) input = input.split('').map(c => c + c).join('');
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let hex = input;
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let [red, green, blue] = [hex.substr(0, 2), hex.substr(2, 2), hex.substr(4, 2)]
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.map(value => parseInt(value, 16));
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let { hue, saturation, lightness } = rgbToHSL(red, green, blue);
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return { hex, red, green, blue, hue, saturation, lightness };
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};
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exports.run = async (client, message, args, level) => {
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if (args.length < 1) {
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(await message.reply('please provide a color.')).delete(5000);
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return message.delete();
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}
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if (!/^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/.test(args[0])) {
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(await message.reply('the color must be in the format of `#RRGGBB` or `#RGB`.')).delete(5000);
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return message.delete();
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}
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let color = resolveColor(args[0]);
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message.delete();
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message.channel.send({
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embed: new RichEmbed()
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.setDescription(`Hex: \`#${color.hex}\`\nRGB: \`${color.red}, ${color.green}, ${color.blue}\`\nHSL: \`${color.hue}, ${color.saturation}, ${color.lightness}\``)
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.setImage(`http://placehold.it/500/${color.hex}/${color.hex}`)
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.setColor(`${color.hex}`)
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});
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};
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exports.conf = {
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enabled: true,
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guildOnly: false,
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aliases: ["hex","rgb"],
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permLevel: "User"
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};
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exports.help = {
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name: "color",
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category: "Information",
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description: "Shows some information and a preview of a specified hex color.",
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usage: "color <hex>"
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};
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