Files
pezkuwi-telemetry/packages/frontend/src/utils.ts
T
2018-09-27 22:26:47 +02:00

86 lines
1.9 KiB
TypeScript

import { Types } from '@dotstats/common';
export interface Viewport {
width: number;
height: number;
}
export function viewport(): Viewport {
const width = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
const height = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
return { width, height };
}
export function formatNumber(num: number): string {
const input = num.toString();
let output = '';
let length = input.length;
while (length > 3) {
output = ',' + input.substr(length - 3, 3) + output;
length -= 3;
}
output = input.substr(0, length) + output;
return output;
}
export function trimHash(hash: string, length: number): string {
if (hash.length < length) {
return hash;
}
const side = ((length - 2) / 2) | 0;
return hash.substr(0, side) + '..' + hash.substr(-side, side);
}
export function milliOrSecond(num: Types.Milliseconds | Types.PropagationTime): string {
if (num < 10000) {
return `${num}ms`;
}
return `${(num / 1000) | 0}s`;
}
export function secondsWithPrecision(num: number): string {
const intString = (num | 0).toString()
const intDigits = intString.length;
switch (intDigits) {
case 1: return num.toFixed(3) + 's';
case 2: return num.toFixed(2) + 's';
case 3: return num.toFixed(1) + 's';
default: return intString + 's';
}
}
export interface HashData {
tab?: string;
chain?: Types.ChainLabel;
};
export function getHashData(): HashData {
const { hash } = window.location;
if (hash[0] !== '#') {
return {};
}
const [tab, rawChain] = hash.substr(1).split('/');
const chain = decodeURIComponent(rawChain) as Types.ChainLabel;
return { tab, chain };
}
export function setHashData(val: HashData) {
const update = Object.assign(getHashData(), val);
const { tab = '', chain = '' } = update;
window.location.hash = `#${tab}/${encodeURIComponent(chain)}`;
}