foundryvtt-reve-de-dragon/module/misc.js
2021-05-16 22:03:52 +02:00

120 lines
3.0 KiB
JavaScript

import { RdDDice } from "./rdd-dice.js";
/**
* This class is intended as a placeholder for utility methods unrelated
* to actual classes of the game system or of FoundryVTT
*/
export class Misc {
static isFunction(v) {
return v && {}.toString.call(v) === '[object Function]';
}
static upperFirst(text) {
return text.charAt(0).toUpperCase() + text.slice(1);
}
static toSignedString(number) {
const value = parseInt(number)
const isPositiveNumber = value != NaN && value > 0;
return isPositiveNumber ? "+" + number : number
}
static sum() {
return (a, b) => a + b;
}
static ascending(orderFunction = x => x) {
return (a, b) => Misc.sortingBy(orderFunction(a), orderFunction(b));
}
static descending(orderFunction = x => x) {
return (a, b) => Misc.sortingBy(orderFunction(b), orderFunction(a));
}
static sortingBy(a, b) {
if (a > b) return 1;
if (a < b) return -1;
return 0;
}
/**
* Converts the value to an integer, or to 0 if undefined/null/not representing integer
* @param {*} value value to convert to an integer using parseInt
*/
static toInt(value) {
if (value == undefined) {
return 0;
}
const parsed = parseInt(value);
return isNaN(parsed) ? 0 : parsed;
}
static keepDecimals(num, decimals) {
if (decimals <= 0 || decimals > 6) return num;
const decimal = Math.pow(10, parseInt(decimals));
return Math.round(num * decimal) / decimal;
}
static getFractionHtml(diviseur) {
if (!diviseur || diviseur <= 1) return undefined;
switch (diviseur || 1) {
case 2: return '&frac12;';
case 4: return '&frac14;';
default: return '1/' + diviseur;
}
}
static classify(items, classifier = it => it.type) {
let itemsBy = {};
Misc.classifyInto(itemsBy, items, classifier);
return itemsBy;
}
static classifyFirst(items, classifier) {
let itemsBy = {};
for (const item of items) {
const classification = classifier(item);
if (!itemsBy[classification]) {
itemsBy[classification] = item;
}
}
return itemsBy;
}
static classifyInto(itemsBy, items, classifier = it => it.type) {
for (const item of items) {
const classification = classifier(item);
let list = itemsBy[classification];
if (!list) {
list = [];
itemsBy[classification] = list;
}
list.push(item);
}
}
static distinct(array) {
return [...new Set(array)];
}
static data(it) {
if (it instanceof Actor || it instanceof Item || it instanceof Combatant) {
return it.data;
}
return it;
}
static templateData(it) {
return Misc.data(it)?.data ?? {}
}
static connectedGMOrUser(ownerId = undefined) {
if (ownerId && game.user.id == ownerId) {
return ownerId;
}
return (game.user.isGM ? game.user.id : game.users.entities.find(u => u.isGM && u.active)?.id) ?? game.user.id;
}
static isElectedUser() {
return game.user.id == Misc.connectedGMOrUser();
}
}