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Copy pathutils.ts
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129 lines (110 loc) · 3.6 KB
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import { onBeforeUnmount, onMounted, ref } from 'vue';
import { Temporal } from '@js-temporal/polyfill';
import { colors } from 'quasar';
import _ from 'lodash';
import textToRgb = colors.textToRgb;
import rgbToHex = colors.rgbToHex;
import hsvToRgb = colors.hsvToRgb;
export function useDocumentListener<K extends keyof DocumentEventMap>(
type: K,
listener: (this: Document, ev: DocumentEventMap[K]) => unknown,
): void {
onMounted(() => {
document.addEventListener(type, listener);
});
onBeforeUnmount(() => {
document.removeEventListener(type, listener);
});
}
export function useInterval<Args extends []>(
handler: (...handlerArgs: Args) => unknown,
timeout: number,
immediate = false,
...args: Args
): void {
let intervalId: number | undefined;
onMounted(() => {
clearInterval(intervalId);
intervalId = setInterval(handler, timeout, ...args) as unknown as number;
if (immediate) handler(...args);
});
onBeforeUnmount(() => {
clearInterval(intervalId);
intervalId = undefined;
});
}
export class DefaultsMap<K, V> extends Map<K, V> {
private readonly generateDefault: (key: K) => V;
constructor(defaultGenerator: (key: K) => V) {
super();
this.generateDefault = defaultGenerator;
}
override get(key: K): V {
let value = super.get(key);
if (value !== undefined) return value;
value = this.generateDefault(key);
this.set(key, value);
return value;
}
}
export function parseTimestamp(value: string): number {
const [hours, minutes] = value.split(':').map((v) => parseInt(v, 10));
return hours * 60 + minutes;
}
export function adjacentDifference(array: number[]): number[] {
if (array.length === 0) return [];
return array.slice(1).map((v, i) => v - array[i]);
}
export function common<T>(array: T[]): T | undefined {
if (array.length === 0) return undefined;
const value = array[0];
return array.every((v) => v === value) ? value : undefined;
}
export function getTypeValidator<T extends unknown[]>() {
// noinspection JSUnusedLocalSymbols
// eslint-disable-next-line @typescript-eslint/no-unused-vars
return (...args: T) => true;
}
export const typed = <T>(x: T): T => x;
export function stringHash(input: string, hash: number) {
for (let i = 0; i < input.length; i += 1) {
hash *= 709;
hash += input.charCodeAt(i);
hash %= 1000859;
}
return hash;
}
export const randomColor = (source: string) => rgbToHex(hsvToRgb({
h: ((stringHash(source, 2137) % 360) + 360) % 360,
s: 50 + (((stringHash(source, 997) % 50) + 50) % 50),
v: 70 + (((stringHash(source, 1933) % 30) + 30) % 30),
}));
export const withOpacity = (color: string, alpha: number) => rgbToHex({
...textToRgb(color),
a: alpha,
});
export const bangEncode = (input: string) => encodeURIComponent(input)
.replaceAll('.', '%2E')
.replaceAll('!', '%21')
.replaceAll('%', '!');
export const bangDecode = (input: string) => decodeURIComponent(input.replaceAll('!', '%'));
export const useNow = (interval: number) => {
const now = ref(Temporal.Now.zonedDateTimeISO());
useInterval(() => {
now.value = Temporal.Now.zonedDateTimeISO();
}, interval, true);
return now;
};
export const createArray = <T>(n: number, getDefault: (index: number) => T): T[] => {
const result: T[] = [];
for (let i = 0; i < n; i += 1) result.push(getDefault(i));
return result;
};
export const balance = (itemCount: number, maxCount: number) => {
const rowCount = Math.ceil(itemCount / maxCount);
return Math.ceil(itemCount / rowCount);
};
export const chunkBalanced = <T>(items: T[], maxCount: number) => _.chunk(
items,
balance(items.length, maxCount),
);