139 lines
3.3 KiB
JavaScript
139 lines
3.3 KiB
JavaScript
/**
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* Return an endpoint URL that has a protocol, domain and path
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*/
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function normalizedEndpoint(endpoint) {
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let matches = endpoint.match(/^(https?:\/\/)?([^\/]+)(\/.*)?$/i);
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if (!matches) throw Error("Invalid endpoint URL");
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let protocol = matches[1] || "https://";
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let domain = matches[2];
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let path = matches[3] || "/api/v4";
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return `${protocol}${domain}${path}`;
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}
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/**
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* Return the endpoint as it should be shown to the user
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*/
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function humanReadableEndpoint(endpoint) {
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let matches = endpoint.match(/^(https?:\/\/.+)\/api\/v4$/i);
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if (!matches) throw Error("Invalid endpoint URL");
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return matches[1];
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}
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/**
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* Shorthand for document.getElementById
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*/
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function byId(id, nullOk=false) {
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const el = document.getElementById(id);
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if (!el && !nullOk) {
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console.error(`No element #${id}`);
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}
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return el;
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}
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function removeClass(el, className) {
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el.className = el.className.split(" ").filter(x => x !== className).join(" ");
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}
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function addClass(el, className) {
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el.className = el.className.split(" ").filter(x => x !== className).join(" ") + ` ${className}`;
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}
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/**
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* Wrap a function so that it receives `this` as first argument
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*/
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function thisToArg(f) {
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return function(...rest) {
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return f(this, ...rest);
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}
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}
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/**
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* Extend an object in-place with own properties of a second one
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*/
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function extend(obj1, obj2) {
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for (let key in Object.getOwnPropertyNames(obj1)) {
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obj1[key] = obj2[key];
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}
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}
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function arrayToHashmap(array, key) {
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let result = Object.create(null);
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for (let x of array) {
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result[x[key]] = x;
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}
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return result;
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}
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function startsWith(string, start) {
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return string.slice(0, start.length) == start;
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}
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function padLeft(input, width, padding=" ") {
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text = input + "";
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while (text.length < width) {
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text = padding + text;
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}
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return text;
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}
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function formatDdddMmYy(date) {
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return `${date.getFullYear()}-${padLeft(date.getMonth() + 1, 2, "0")}-${padLeft(date.getDate(), 2, "0")}`;
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}
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function formatHhMm(date) {
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return `${padLeft(date.getHours(), 2, "0")}:${padLeft(date.getMinutes(), 2, "0")}`;
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}
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const DATE_SIMILARITY = {
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none: 0,
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year: 1,
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month: 2,
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date: 3,
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hours: 4,
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minutes: 5,
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seconds: 6
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}
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function dateSimilarity(d1, d2) {
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if (!d1 || !d2) return DATE_SIMILARITY.none;
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if (d1.getFullYear() != d2.getFullYear()) return DATE_SIMILARITY.none;
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if (d1.getMonth() != d2.getMonth()) return DATE_SIMILARITY.year;
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if (d1.getDate() != d2.getDate()) return DATE_SIMILARITY.month;
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if (d1.getHours() != d2.getHours()) return DATE_SIMILARITY.date;
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if (d1.getMinutes() != d2.getMinutes()) return DATE_SIMILARITY.hours;
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if (d1.getSeconds() != d2.getSeconds()) return DATE_SIMILARITY.minutes;
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return DATE_SIMILARITY.seconds;
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}
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class AssertionError extends Error {}
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/**
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* Throw an AssertionError if the first argument is not true
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*/
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function assert(condition, message) {
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if (!condition) {
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if (message) {
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throw new AssertionError(`Assertion failed: ${message}`);
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} else {
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throw new AssertionError("Assertion failed");
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}
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}
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}
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const MATTERMOST_ID_REGEXP = /^[a-z0-9]{26}$/;
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function assertIsMattermostId(string, name="") {
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assert(MATTERMOST_ID_REGEXP.test(string), `${name} has the form of a Mattermost ID`);
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}
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function assertIsNullOrMattermostId(string, name="") {
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assert(string === null || MATTERMOST_ID_REGEXP.test(string), `${name} is null or has the form of a Mattermost ID`);
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}
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