/** Function that can be used to wait for a condition before returning. */ async function wait(condition: () => T, timeout = 5000, check = 100, predicate?: (obj: T) => boolean): Promise { return await new Promise((resolve, reject) => { setTimeout(() => { clearInterval(interval); reject("TIMEOUT"); }, timeout); const intervalCheck = () => { const result = condition(); if (predicate ? predicate(result) : result) { resolve(result); clearInterval(interval); } }; const interval = setInterval(intervalCheck, check); //run the check once first, this speeds it up a lot intervalCheck(); }); } function getFormattedTimeToSeconds(formatted: string): number | null { const fragments = /^(?:(?:(\d+):)?(\d+):)?(\d*(?:[.,]\d+)?)$/.exec(formatted); if (fragments === null) { return null; } const hours = fragments[1] ? parseInt(fragments[1]) : 0; const minutes = fragments[2] ? parseInt(fragments[2] || '0') : 0; const seconds = fragments[3] ? parseFloat(fragments[3].replace(',', '.')) : 0; return hours * 3600 + minutes * 60 + seconds; } function getFormattedTime(seconds: number, precise?: boolean): string { seconds = Math.max(seconds, 0); const hours = Math.floor(seconds / 60 / 60); const minutes = Math.floor(seconds / 60) % 60; let minutesDisplay = String(minutes); let secondsNum = seconds % 60; if (!precise) { secondsNum = Math.floor(secondsNum); } let secondsDisplay = String(precise ? secondsNum.toFixed(3) : secondsNum); if (secondsNum < 10) { //add a zero secondsDisplay = "0" + secondsDisplay; } if (hours && minutes < 10) { //add a zero minutesDisplay = "0" + minutesDisplay; } if (isNaN(hours) || isNaN(minutes)) { return null; } const formatted = (hours ? hours + ":" : "") + minutesDisplay + ":" + secondsDisplay; return formatted; } /** * Gets the error message in a nice string * * @param {int} statusCode * @returns {string} errorMessage */ function getErrorMessage(statusCode: number, responseText: string): string { const postFix = ((responseText && !(responseText.includes(`cf-wrapper`) || responseText.includes(""))) ? "\n\n" + responseText : ""); // display response body for 4xx if([400, 429, 409, 0].includes(statusCode)) { return chrome.i18n.getMessage(statusCode + "") + " " + chrome.i18n.getMessage("errorCode") + statusCode + postFix; } else if (statusCode >= 500 && statusCode <= 599) { // 503 == 502 if (statusCode == 503) statusCode = 502; return chrome.i18n.getMessage(statusCode + "") + " " + chrome.i18n.getMessage("errorCode") + statusCode + "\n\n" + chrome.i18n.getMessage("statusReminder"); } else { return chrome.i18n.getMessage("connectionError") + statusCode + postFix; } } /* Gets percieved luminance of a color */ function getLuminance(color: string): number { const {r, g, b} = hexToRgb(color); return Math.sqrt(0.299 * (r * r) + 0.587 * (g * g) + 0.114 * (b * b)); } /* From https://stackoverflow.com/a/5624139 */ function hexToRgb(hex: string): {r: number, g: number, b: number} { // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; hex = hex.replace(shorthandRegex, function(m, r, g, b) { return r + r + g + g + b + b; }); const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); return result ? { r: parseInt(result[1], 16), g: parseInt(result[2], 16), b: parseInt(result[3], 16) } : null; } /** * List of all indexes that have the specified value * https://stackoverflow.com/a/54954694/1985387 */ function indexesOf(array: T[], value: T): number[] { return array.map((v, i) => v === value ? i : -1).filter(i => i !== -1); } function objectToURI(url: string, data: T, includeQuestionMark: boolean): string { let counter = 0; for (const key in data) { const seperator = (url.includes("?") || counter > 0) ? "&" : (includeQuestionMark ? "?" : ""); const value = (typeof(data[key]) === "string") ? data[key] as unknown as string : JSON.stringify(data[key]); url += seperator + encodeURIComponent(key) + "=" + encodeURIComponent(value); counter++; } return url; } function generateUserID(length = 36): string { const charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; let result = ""; if (window.crypto && window.crypto.getRandomValues) { const values = new Uint32Array(length); window.crypto.getRandomValues(values); for (let i = 0; i < length; i++) { result += charset[values[i] % charset.length]; } return result; } else { for (let i = 0; i < length; i++) { result += charset[Math.floor(Math.random() * charset.length)]; } return result; } } export const GenericUtils = { wait, getFormattedTime, getFormattedTimeToSeconds, getErrorMessage, getLuminance, generateUserID, indexesOf, objectToURI }