split converter functions, to be placed in a plugin in the future
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275
utility/convert.ts
Normal file
275
utility/convert.ts
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@ -0,0 +1,275 @@
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import configureMeasurements, { allMeasures } from 'convert-units';
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export const convert = configureMeasurements(allMeasures);
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export const bases: {[key: number]: string[]} = {
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2: ['bin', 'binary'],
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8: ['oct', 'octal'],
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10: ['dec', 'decimal'],
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16: ['hex', 'hexadecimal']
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};
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export function getBaseNum(base: string): number | null {
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let result = null;
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for (const i in bases) {
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const defs = bases[i];
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if (defs.indexOf(base) === -1) {
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continue;
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}
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result = parseInt(i, 10);
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}
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if (result) {
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return result;
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}
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if (base.indexOf('b') !== 0) {
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return null;
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}
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const matcher = base.match(/b(?:ase)?-?(\d+)/);
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if (!matcher || !matcher[1] || isNaN(parseInt(matcher[1], 10))) {
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return null;
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}
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return parseInt(matcher[1], 10);
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}
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export function rgbToHex(r: number, g: number, b: number): string {
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// tslint:disable-next-line: no-bitwise
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return '#' + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
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}
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export function RGBToHSL(r: number, g: number, b: number): {[key: string]: number} {
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// Make r, g, and b fractions of 1
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r /= 255;
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g /= 255;
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b /= 255;
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// Find greatest and smallest channel values
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const cmin = Math.min(r, g, b);
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const cmax = Math.max(r, g, b);
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const delta = cmax - cmin;
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let h = 0;
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let s = 0;
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let l = 0;
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// Calculate hue
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// No difference
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if (delta === 0) {
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h = 0;
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} // Red is max
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else if (cmax === r) {
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h = ((g - b) / delta) % 6;
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} // Green is max
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else if (cmax === g) {
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h = (b - r) / delta + 2;
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} // Blue is max
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else {
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h = (r - g) / delta + 4;
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}
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h = Math.round(h * 60);
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// Make negative hues positive behind 360°
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if (h < 0) {
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h += 360;
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}
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// Calculate lightness
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l = (cmax + cmin) / 2;
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// Calculate saturation
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s = delta === 0 ? 0 : delta / (1 - Math.abs(2 * l - 1));
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// Multiply l and s by 100
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s = +(s * 100).toFixed(1);
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l = +(l * 100).toFixed(1);
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return { h, s, l };
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}
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export function hexToRgb(hex: string): {[key: string]: number} | null {
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// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
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const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
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hex = hex.replace(shorthandRegex, (m, r, g, b) => {
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return r + r + g + g + b + b;
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});
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
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return result ? {
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r: parseInt(result[1], 16),
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g: parseInt(result[2], 16),
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b: parseInt(result[3], 16)
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} : null;
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}
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// Create an object to efficiently translate unit names to their abbreviations
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let unitIndex: { [x: string]: string[] } = {};
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let backupLowercaseUnitTable: { [x: string]: string } = {};
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export function createUnitIndex(): void {
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const fullList = convert().list();
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fullList.forEach((unit) => {
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const { abbr, singular, plural } = unit;
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if (!unitIndex[abbr]) {
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unitIndex[abbr] = [
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abbr, singular.toLowerCase(), plural.toLowerCase()
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];
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// liter <-> litres
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if (abbr === 'l') {
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unitIndex[abbr].push('liter', 'liters');
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}
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// meter -> metre
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if (singular.includes('meter')) {
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unitIndex[abbr].push(
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singular.replace('meter', 'metre').toLowerCase(),
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plural.replace('meter', 'metre').toLowerCase(),
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);
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}
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// metre -> meter
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if (singular.includes('metre')) {
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unitIndex[abbr].push(
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singular.replace('metre', 'meter').toLowerCase(),
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plural.replace('metre', 'meter').toLowerCase(),
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);
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}
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// " per " -> "/"
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const appendages: string[] = [];
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unitIndex[abbr].forEach((entry) => {
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if (entry.includes(' per ')) {
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appendages.push(entry.replace(' per ', '/'));
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}
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});
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unitIndex[abbr].push(...appendages);
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backupLowercaseUnitTable[abbr.toLowerCase()] = abbr;
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}
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});
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}
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// Get a unit by it's full name or abbreviation
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export function getUnitAbbreviation(fullText: string): string | null {
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// Regular abbreviation
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if (unitIndex[fullText]) {
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return fullText;
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}
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// Lowercase abbreviation
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const lowerText = fullText.toLowerCase();
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if (backupLowercaseUnitTable[lowerText]) {
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return backupLowercaseUnitTable[lowerText];
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}
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// Text search
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const found = Object.keys(unitIndex).reduce((previous, current) => {
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const arrayList = unitIndex[current];
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if (arrayList.includes(lowerText)) {
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return current;
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}
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return previous;
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}, '');
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return found || null;
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}
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export function wipeCaches(): void {
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unitIndex = {};
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backupLowercaseUnitTable = {};
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}
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export function ASCIIBinaryConverter(input: string, simplified: string[]): string {
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let response = '';
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let strArr;
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let i;
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let text = input.split(' ').slice(2).join(' ');
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switch (simplified[0] ? simplified[0].toUpperCase() : null) {
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case 'ENCODE':
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strArr = text.split('');
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for (i in strArr) {
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response += ('0000000' +
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parseInt(Buffer.from(strArr[i].toString(), 'utf8').toString('hex'), 16).toString(2)).slice(-8);
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}
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response = response.substr(1);
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break;
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case 'DECODE':
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text = text.split(' ').join('');
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i = 0;
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while (8 * (i + 1) <= text.length) {
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response += Buffer.from(parseInt(text.substr(8 * i, 8), 2).toString(16), 'hex').toString('utf8');
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i++;
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}
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response = response.replace(/\n/g, '\\n').replace(/\r/g, '\\r');
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}
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return response;
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}
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export function ASCIIHexConverter(input: string, simplified: string[]): string {
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let response = '';
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let i;
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let text = input.split(' ').slice(2).join(' ');
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switch (simplified[0] ? simplified[0].toUpperCase() : null) {
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case 'DECODE':
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text = text.replace(/\s/g, '');
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for (i = 0; i < text.length; i += 2) {
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response += String.fromCharCode(parseInt(text.substr(i, 2), 16));
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}
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response = response.replace(/\n/g, '\\n').replace(/\r/g, '\\r');
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break;
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case 'ENCODE':
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for (i = 0; i < text.length; i++) {
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response += text.charCodeAt(i).toString(16) + ' ';
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}
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break;
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}
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return response;
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}
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export function base64Converter(input: string, simplified: string[]): string {
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let response = '';
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const text = input.split(' ').slice(2).join(' ');
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switch (simplified[0] ? simplified[0].toUpperCase() : null) {
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case 'DECODE':
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response = (Buffer.from(text, 'base64').toString('ascii')).replace(/\n/g, '\\n').replace(/\r/g, '\\r');
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break;
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case 'ENCODE':
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response = Buffer.from(text).toString('base64');
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break;
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}
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return response;
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}
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export function baseConverter(simplified: string[]): string {
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if (simplified.length < 3) {
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throw new Error('Too few arguments!');
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}
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const input = simplified[0];
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const src = simplified[1].toLowerCase();
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const dst = simplified[2].toLowerCase();
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const srcBase = getBaseNum(src);
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const dstBase = getBaseNum(dst);
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if (!srcBase || !dstBase || dstBase > 36 || dstBase < 2 || srcBase > 36 || srcBase < 2) {
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throw new Error('Invalid conversion.');
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}
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const decimal = parseInt(input, srcBase);
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return decimal.toString(dstBase);
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}
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@ -1,7 +1,6 @@
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import path from 'path';
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import net from 'net';
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import cprog from 'child_process';
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import configureMeasurements, { allMeasures } from 'convert-units';
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import { fork } from 'child_process';
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import {
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Plugin,
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@ -14,52 +13,28 @@ import { IMessage, MessageResolver } from '@squeebot/core/lib/types';
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import { httpGET, parseTimeToSeconds, readableTime } from '@squeebot/core/lib/common';
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import { logger } from '@squeebot/core/lib/core';
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import {
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createUnitIndex,
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getUnitAbbreviation,
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hexToRgb,
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rgbToHex,
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RGBToHSL,
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convert,
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wipeCaches,
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ASCIIBinaryConverter,
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ASCIIHexConverter,
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base64Converter,
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baseConverter
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} from './convert';
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type CEXResponse = {[key: string]: number};
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type CEXResponse = { [key: string]: number };
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const convert = configureMeasurements(allMeasures);
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const cexCache: {[key: string]: number | CEXResponse} = {
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const cexCache: { [key: string]: number | CEXResponse } = {
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expiry: 0,
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date: 0,
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cache: {},
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};
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const bases: {[key: number]: string[]} = {
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2: ['bin', 'binary'],
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8: ['oct', 'octal'],
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10: ['dec', 'decimal'],
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16: ['hex', 'hexadecimal']
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};
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function getBaseNum(base: string): number | null {
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let result = null;
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for (const i in bases) {
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const defs = bases[i];
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if (defs.indexOf(base) === -1) {
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continue;
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}
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result = parseInt(i, 10);
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}
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if (result) {
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return result;
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}
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if (base.indexOf('b') !== 0) {
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return null;
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}
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const matcher = base.match(/b(?:ase-?)?(\d+)/);
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if (!matcher || !matcher[1] || isNaN(parseInt(matcher[1], 10))) {
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return null;
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}
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return parseInt(matcher[1], 10);
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}
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const urlRegex = /(((ftp|https?):\/\/)[-\w@:%_+.~#?,&//=]+)/g;
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const fork = cprog.fork;
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// Run mathjs in a separate thread to avoid the killing of the main process
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function opMath(expression: string): Promise<string> {
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return new Promise((resolve, reject) => {
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@ -110,75 +85,6 @@ function opMath(expression: string): Promise<string> {
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});
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}
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function rgbToHex(r: number, g: number, b: number): string {
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// tslint:disable-next-line: no-bitwise
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return '#' + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
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}
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function RGBToHSL(r: number, g: number, b: number): {[key: string]: number} | null {
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// Make r, g, and b fractions of 1
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r /= 255;
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g /= 255;
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b /= 255;
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// Find greatest and smallest channel values
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const cmin = Math.min(r, g, b);
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const cmax = Math.max(r, g, b);
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const delta = cmax - cmin;
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let h = 0;
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let s = 0;
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let l = 0;
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// Calculate hue
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// No difference
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if (delta === 0) {
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h = 0;
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} // Red is max
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else if (cmax === r) {
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h = ((g - b) / delta) % 6;
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} // Green is max
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else if (cmax === g) {
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h = (b - r) / delta + 2;
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} // Blue is max
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else {
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h = (r - g) / delta + 4;
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}
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h = Math.round(h * 60);
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// Make negative hues positive behind 360°
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if (h < 0) {
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h += 360;
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}
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// Calculate lightness
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l = (cmax + cmin) / 2;
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// Calculate saturation
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s = delta === 0 ? 0 : delta / (1 - Math.abs(2 * l - 1));
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// Multiply l and s by 100
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s = +(s * 100).toFixed(1);
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l = +(l * 100).toFixed(1);
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return { h, s, l };
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}
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function hexToRgb(hex: string): {[key: string]: number} | null {
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// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
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const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
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hex = hex.replace(shorthandRegex, (m, r, g, b) => {
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return r + r + g + g + b + b;
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});
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
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return result ? {
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r: parseInt(result[1], 16),
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g: parseInt(result[2], 16),
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b: parseInt(result[3], 16)
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} : null;
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}
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function pingTcpServer(host: string, port: number): Promise<number> {
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return new Promise((resolve, reject) => {
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let isFinished = false;
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@ -224,119 +130,18 @@ function pingTcpServer(host: string, port: number): Promise<number> {
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});
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}
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// Create an object to efficiently translate unit names to their abbreviations
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const unitIndex: { [x: string]: string[] } = {};
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const backupLowercaseUnitTable: { [x: string]: string } = {};
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function createUnitIndex(): void {
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const fullList = convert().list();
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fullList.forEach((unit) => {
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const { abbr, singular, plural } = unit;
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if (!unitIndex[abbr]) {
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unitIndex[abbr] = [
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abbr, singular.toLowerCase(), plural.toLowerCase()
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];
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// liter <-> litres
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if (abbr === 'l') {
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unitIndex[abbr].push('liter', 'liters');
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}
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// meter -> metre
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if (singular.includes('meter')) {
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unitIndex[abbr].push(
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singular.replace('meter', 'metre').toLowerCase(),
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plural.replace('meter', 'metre').toLowerCase(),
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);
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}
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// metre -> meter
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if (singular.includes('metre')) {
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unitIndex[abbr].push(
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singular.replace('metre', 'meter').toLowerCase(),
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plural.replace('metre', 'meter').toLowerCase(),
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);
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}
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// " per " -> "/"
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const appendages: string[] = [];
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unitIndex[abbr].forEach((entry) => {
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if (entry.includes(' per ')) {
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appendages.push(entry.replace(' per ', '/'));
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}
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});
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unitIndex[abbr].push(...appendages);
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backupLowercaseUnitTable[abbr.toLowerCase()] = abbr;
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}
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});
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}
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// Get a unit by it's full name or abbreviation
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function getUnitAbbreviation(fullText: string): string | null {
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// Regular abbreviation
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if (unitIndex[fullText]) {
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return fullText;
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}
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// Lowercase abbreviation
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const lowerText = fullText.toLowerCase();
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if (backupLowercaseUnitTable[lowerText]) {
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return backupLowercaseUnitTable[lowerText];
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}
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// Text search
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const found = Object.keys(unitIndex).reduce((previous, current) => {
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const arrayList = unitIndex[current];
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if (arrayList.includes(lowerText)) {
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return current;
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}
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return previous;
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}, '');
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return found || null;
|
||||
}
|
||||
|
||||
function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
const cmds = [];
|
||||
|
||||
cmds.push({
|
||||
name: 'binary',
|
||||
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
|
||||
let response = '';
|
||||
let strArr;
|
||||
let i;
|
||||
let text = msg.text.split(' ').slice(2).join(' ');
|
||||
|
||||
try {
|
||||
switch (simplified[0] ? simplified[0].toUpperCase() : null) {
|
||||
case 'ENCODE':
|
||||
strArr = text.split('');
|
||||
|
||||
for (i in strArr) {
|
||||
response += ' ' + ('0000000' +
|
||||
parseInt(Buffer.from(strArr[i].toString(), 'utf8').toString('hex'), 16).toString(2)).slice(-8);
|
||||
}
|
||||
|
||||
response = response.substr(1);
|
||||
|
||||
break;
|
||||
case 'DECODE':
|
||||
text = text.split(' ').join('');
|
||||
i = 0;
|
||||
|
||||
while (8 * (i + 1) <= text.length) {
|
||||
response += Buffer.from(parseInt(text.substr(8 * i, 8), 2).toString(16), 'hex').toString('utf8');
|
||||
i++;
|
||||
}
|
||||
|
||||
response = 'Decoded: ' + response.replace(/\n/g, '\\n').replace(/\r/g, '\\r');
|
||||
}
|
||||
} catch (e) {
|
||||
msg.resolve('Operation failed.');
|
||||
return true;
|
||||
const result = ASCIIBinaryConverter(msg.text, simplified);
|
||||
msg.resolve(`> ${result}`);
|
||||
} catch (e: any) {
|
||||
msg.resolve('Failed to convert.');
|
||||
}
|
||||
|
||||
msg.resolve(response);
|
||||
return true;
|
||||
},
|
||||
description: 'Encode/decode binary (ASCII only)',
|
||||
@ -346,33 +151,12 @@ function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
cmds.push({
|
||||
name: 'hexstr',
|
||||
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
|
||||
let response = '';
|
||||
let i;
|
||||
let text = msg.text.split(' ').slice(2).join(' ');
|
||||
|
||||
try {
|
||||
switch (simplified[0] ? simplified[0].toUpperCase() : null) {
|
||||
case 'DECODE':
|
||||
text = text.replace(/\s/g, '');
|
||||
|
||||
for (i = 0; i < text.length; i += 2) {
|
||||
response += String.fromCharCode(parseInt(text.substr(i, 2), 16));
|
||||
}
|
||||
|
||||
response = 'Decoded: ' + response.replace(/\n/g, '\\n').replace(/\r/g, '\\r');
|
||||
break;
|
||||
case 'ENCODE':
|
||||
for (i = 0; i < text.length; i++) {
|
||||
response += text.charCodeAt(i).toString(16) + ' ';
|
||||
}
|
||||
break;
|
||||
}
|
||||
} catch (e) {
|
||||
msg.resolve('Operation failed.');
|
||||
return true;
|
||||
const result = ASCIIHexConverter(msg.text, simplified);
|
||||
msg.resolve(`> ${result}`);
|
||||
} catch (e: any) {
|
||||
msg.resolve('Failed to convert.');
|
||||
}
|
||||
|
||||
msg.resolve(response);
|
||||
return true;
|
||||
},
|
||||
description: 'Encode/decode hexadecimal (ASCII only)',
|
||||
@ -382,24 +166,12 @@ function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
cmds.push({
|
||||
name: 'base64',
|
||||
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
|
||||
let response = '';
|
||||
const text = msg.text.split(' ').slice(2).join(' ');
|
||||
|
||||
try {
|
||||
switch (simplified[0] ? simplified[0].toUpperCase() : null) {
|
||||
case 'DECODE':
|
||||
response = 'Decoded: ' + (Buffer.from(text, 'base64').toString('ascii')).replace(/\n/g, '\\n').replace(/\r/g, '\\r');
|
||||
break;
|
||||
case 'ENCODE':
|
||||
response = Buffer.from(text).toString('base64');
|
||||
break;
|
||||
}
|
||||
} catch (e) {
|
||||
msg.resolve('Operation failed.');
|
||||
return true;
|
||||
const result = base64Converter(msg.text, simplified);
|
||||
msg.resolve(`> ${result}`);
|
||||
} catch (e: any) {
|
||||
msg.resolve('Failed to convert.');
|
||||
}
|
||||
|
||||
msg.resolve(response);
|
||||
return true;
|
||||
},
|
||||
description: 'Encode/decode base64 (ASCII only)',
|
||||
@ -409,27 +181,12 @@ function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
cmds.push({
|
||||
name: 'numsys',
|
||||
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
|
||||
if (simplified.length < 3) {
|
||||
msg.resolve('Too few arguments!');
|
||||
return true;
|
||||
try {
|
||||
const result = baseConverter(simplified);
|
||||
msg.resolve(`> ${result}`);
|
||||
} catch (e: any) {
|
||||
msg.resolve('Failed to convert.');
|
||||
}
|
||||
|
||||
const input = simplified[0];
|
||||
const src = simplified[1].toLowerCase();
|
||||
const dst = simplified[2].toLowerCase();
|
||||
|
||||
const srcBase = getBaseNum(src);
|
||||
const dstBase = getBaseNum(dst);
|
||||
|
||||
if (!srcBase || !dstBase || dstBase > 36 || dstBase < 2 || srcBase > 36 || srcBase < 2) {
|
||||
msg.resolve('Invalid conversion.');
|
||||
return false;
|
||||
}
|
||||
|
||||
const decimal = parseInt(input, srcBase);
|
||||
const result = decimal.toString(dstBase);
|
||||
|
||||
msg.resolve('Result:', result);
|
||||
return true;
|
||||
},
|
||||
description: 'Convert a value into a value in another numbering system.',
|
||||
@ -458,7 +215,7 @@ function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
return true;
|
||||
}
|
||||
|
||||
msg.resolve(parseTimeToSeconds(str) + ' seconds');
|
||||
msg.resolve(parseTimeToSeconds(str), 'seconds');
|
||||
return true;
|
||||
},
|
||||
description: 'Convert ywdhms to seconds.',
|
||||
@ -598,7 +355,7 @@ function addCommands(plugin: UtilityPlugin, commands: any): void {
|
||||
}
|
||||
const hsl = RGBToHSL(r, g, b);
|
||||
|
||||
msg.resolve('hsl(%d, %d%, %d%)', hsl?.h, hsl?.s, hsl?.l);
|
||||
msg.resolve('hsl(%d, %d%, %d%)', hsl.h, hsl.s, hsl.l);
|
||||
return true;
|
||||
},
|
||||
description: 'Convert RGB to HSL colors',
|
||||
@ -894,6 +651,7 @@ class UtilityPlugin extends Plugin {
|
||||
@EventListener('pluginUnload')
|
||||
public unloadEventHandler(plugin: string | Plugin): void {
|
||||
if (plugin === this.name || plugin === this) {
|
||||
wipeCaches();
|
||||
this.emit('pluginUnloaded', this);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user