F95API/app/scripts/classes/prefix-parser.js

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"use strict";
// Modules from file
const shared = require("../shared.js");
/**
* Convert prefixes and platform tags from string to ID and vice versa.
*/
class PrefixParser {
constructor() {
}
//#region Private methods
/**
* @private
* Gets the key associated with a given value from a dictionary.
* @param {Object} object Dictionary to search
* @param {Any} value Value associated with the key
* @returns {String|undefined} Key found or undefined
*/
_getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
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/**
* @private
* Makes an array of strings uppercase.
* @param {String[]} a
* @returns {String[]}
*/
_toUpperCaseArray(a) {
// If the array is empty, return
if (a.length === 0) return [];
/**
* Makes a string uppercase.
* @param {String} s
* @returns {String}
*/
function toUpper(s) {
return s.toUpperCase();
}
return a.map(toUpper);
}
/**
* @private
* Check if `dict` contains `value` as a value.
* @param {Object.<number, string>} dict
* @param {String} value
*/
_valueInDict(dict, value) {
const array = Object.values(dict);
const upperArr = this._toUpperCaseArray(array);
const element = value.toUpperCase();
return upperArr.includes(element);
}
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//#endregion Private methods
/**
* @public
* Convert a list of prefixes to their respective IDs.
* @param {String[]} prefixes
*/
prefixesToIDs(prefixes) {
const ids = [];
for(const p of prefixes) {
// Check what dict contains the value
let dict = null;
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if (this._valueInDict(shared.statuses, p)) dict = shared.statuses;
else if (this._valueInDict(shared.engines, p)) dict = shared.engines;
else if (this._valueInDict(shared.tags, p)) dict = shared.tags;
else if (this._valueInDict(shared.others, p)) dict = shared.others;
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else continue;
// Extract the key from the dict
const key = this._getKeyByValue(dict, p);
if(key) ids.push(parseInt(key));
}
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return ids;
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}
/**
* @public
* It converts a list of IDs into their respective prefixes.
* @param {number[]} ids
*/
idsToPrefixes(ids) {
const prefixes = [];
for(const id of ids) {
// Check what dict contains the key
let dict = null;
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if (Object.keys(shared.statuses).includes(id.toString())) dict = shared.statuses;
else if (Object.keys(shared.engines).includes(id.toString())) dict = shared.engines;
else if (Object.keys(shared.tags).includes(id.toString())) dict = shared.tags;
else if (Object.keys(shared.others).includes(id.toString())) dict = shared.others;
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else continue;
// Check if the key exists in the dict
if (id in dict) prefixes.push(dict[id]);
}
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return prefixes;
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}
}
module.exports = PrefixParser;