foundryvtt-reve-de-dragon/module/misc.js
2021-03-20 14:36:53 +01:00

81 lines
2.0 KiB
JavaScript

/**
* 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
}
/**
* 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 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, transform = it => it) {
let itemsBy = {};
Misc.classifyInto(itemsBy, items, classifier, transform);
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, transform = it => it) {
for (const item of items) {
const classification = classifier(item);
let list = itemsBy[classification];
if (!list) {
list = [];
itemsBy[classification] = list;
}
list.push(transform(item));
}
}
static rollOneOf(array) {
return array[new Roll("1d" + array.length).evaluate().total - 1];
}
static distinct(array) {
return [...new Set(array)];
}
}