neroxbailx/lib/Store/make-ordered-dictionary.js

baileys whatsapp-api

"use strict"
Object.defineProperty(exports, "__esModule", { value: true })
function makeOrderedDictionary(idGetter) {
const array = []
const dict = {}
const get = (id) => dict[id]
const update = (item) => {
const id = idGetter(item)
const idx = array.findIndex(i => idGetter(i) === id)
if (idx >= 0) {
array[idx] = item
dict[id] = item
}
return false
}
const upsert = (item, mode) => {
const id = idGetter(item)
if (get(id)) {
update(item)
}
else {
if (mode === 'append') {
array.push(item)
}
else {
array.splice(0, 0, item)
}
dict[id] = item
}
}
const remove = (item) => {
const id = idGetter(item)
const idx = array.findIndex(i => idGetter(i) === id)
if (idx >= 0) {
array.splice(idx, 1)
delete dict[id]
return true
}
return false
}
return {
array,
get,
upsert,
update,
remove,
updateAssign: (id, update) => {
const item = get(id)
if (item) {
Object.assign(item, update)
delete dict[id]
dict[idGetter(item)] = item
return true
}
return false
},
clear: () => {
array.splice(0, array.length)
for (const key of Object.keys(dict)) {
delete dict[key]
}
},
filter: (contain) => {
let i = 0
while (i < array.length) {
if (!contain(array[i])) {
delete dict[idGetter(array[i])]
array.splice(i, 1)
}
else {
i += 1
}
}
},
toJSON: () => array,
fromJSON: (newItems) => {
array.splice(0, array.length, ...newItems)
}
}
}
module.exports = {
makeOrderedDictionary
}