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56 lines
2.0 KiB
TypeScript
56 lines
2.0 KiB
TypeScript
/**
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* Gets the error message in a nice string
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*
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* @param {int} statusCode
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* @returns {string} errorMessage
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*/
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function getErrorMessage(statusCode: number, responseText: string): string {
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const postFix = ((responseText && !(responseText.includes(`cf-wrapper`) || responseText.includes("<!DOCTYPE html>"))) ? "\n\n" + responseText : "");
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// display response body for 4xx
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if([400, 429, 409, 0].includes(statusCode)) {
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return chrome.i18n.getMessage(statusCode + "") + " " + chrome.i18n.getMessage("errorCode") + statusCode + postFix;
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} else if (statusCode >= 500 && statusCode <= 599) {
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// 503 == 502
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if (statusCode == 503) statusCode = 502;
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return chrome.i18n.getMessage(statusCode + "") + " " + chrome.i18n.getMessage("errorCode") + statusCode
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+ "\n\n" + chrome.i18n.getMessage("statusReminder");
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} else {
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return chrome.i18n.getMessage("connectionError") + statusCode + postFix;
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}
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}
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/* Gets percieved luminance of a color */
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function getLuminance(color: string): number {
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const {r, g, b} = hexToRgb(color);
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return Math.sqrt(0.299 * (r * r) + 0.587 * (g * g) + 0.114 * (b * b));
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}
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/* From https://stackoverflow.com/a/5624139 */
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function hexToRgb(hex: string): {r: number; g: number; b: number} {
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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])$/i;
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hex = hex.replace(shorthandRegex, function(m, r, g, b) {
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return r + r + g + g + b + b;
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});
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/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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/**
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* List of all indexes that have the specified value
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* https://stackoverflow.com/a/54954694/1985387
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*/
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function indexesOf<T>(array: T[], value: T): number[] {
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return array.map((v, i) => v === value ? i : -1).filter(i => i !== -1);
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}
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export const GenericUtils = {
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getErrorMessage,
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getLuminance,
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indexesOf
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} |