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Convert FormattingUtils to TypeScript and add badge utility function 

The new function is to be used in the new room list.
pull/21833/head
Travis Ralston 2020-06-08 12:14:10 -06:00
parent 4b39ccbe26
commit 21c8611300
1 changed files with 19 additions and 9 deletions
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28
src/utils/FormattingUtils.js → src/utils/FormattingUtils.ts
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@ -1,6 +1,6 @@
/*
Copyright 2016 OpenMarket Ltd
Copyright 2019 The Matrix.org Foundation C.I.C.
Copyright 2019, 2020 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@ -21,8 +21,8 @@ import { _t } from '../languageHandler';
* formats numbers to fit into ~3 characters, suitable for badge counts
* e.g: 999, 9.9K, 99K, 0.9M, 9.9M, 99M, 0.9B, 9.9B
*/
export function formatCount(count) {
if (count < 1000) return count;
export function formatCount(count: number): string {
if (count < 1000) return count.toString();
if (count < 10000) return (count / 1000).toFixed(1) + "K";
if (count < 100000) return (count / 1000).toFixed(0) + "K";
if (count < 10000000) return (count / 1000000).toFixed(1) + "M";
@ -34,7 +34,7 @@ export function formatCount(count) {
* Format a count showing the whole number but making it a bit more readable.
* e.g: 1000 => 1,000
*/
export function formatCountLong(count) {
export function formatCountLong(count: number): string {
const formatter = new Intl.NumberFormat();
return formatter.format(count)
}
@ -43,7 +43,7 @@ export function formatCountLong(count) {
* format a size in bytes into a human readable form
* e.g: 1024 -> 1.00 KB
*/
export function formatBytes(bytes, decimals = 2) {
export function formatBytes(bytes: number, decimals = 2): string {
if (bytes === 0) return '0 Bytes';
const k = 1024;
@ -62,7 +62,7 @@ export function formatBytes(bytes, decimals = 2) {
*
* @return {string}
*/
export function formatCryptoKey(key) {
export function formatCryptoKey(key: string): string {
return key.match(/.{1,4}/g).join(" ");
}
/**
@ -72,7 +72,7 @@ export function formatCryptoKey(key) {
*
* @return {number}
*/
export function hashCode(str) {
export function hashCode(str: string): number {
let hash = 0;
let i;
let chr;
@ -87,7 +87,7 @@ export function hashCode(str) {
return Math.abs(hash);
}
export function getUserNameColorClass(userId) {
export function getUserNameColorClass(userId: string): string {
const colorNumber = (hashCode(userId) % 8) + 1;
return `mx_Username_color${colorNumber}`;
}
@ -103,7 +103,7 @@ export function getUserNameColorClass(userId) {
* @returns {string} a string constructed by joining `items` with a comma
* between each item, but with the last item appended as " and [lastItem]".
*/
export function formatCommaSeparatedList(items, itemLimit) {
export function formatCommaSeparatedList(items: string[], itemLimit?: number): string {
const remaining = itemLimit === undefined ? 0 : Math.max(
items.length - itemLimit, 0,
);
@ -119,3 +119,13 @@ export function formatCommaSeparatedList(items, itemLimit) {
return _t("%(items)s and %(lastItem)s", { items: items.join(', '), lastItem: lastItem });
}
}
/**
* Formats a number into a 'minimal' badge count (9, 99, 99+).
* @param count The number to convert
* @returns The badge count, stringified.
*/
export function formatMinimalBadgeCount(count: number): string {
if (count < 100) return count.toString();
return "99+";
}