Files
osrs-json-hiscores/src/utils/helpers.ts
2021-03-25 00:53:50 -04:00

106 lines
2.8 KiB
TypeScript

import axios from 'axios';
import * as ua from 'useragent-generator';
import { Gamemode, SkillName, ActivityName } from '../types';
import {
GAMEMODE_URL,
STATS_URL,
SCORES_URL,
SKILLS,
ACTIVITIES
} from './constants';
/**
* Will generate a stats URL for the official OSRS API.
*
* @param gamemode Gamemode to fetch ranks for.
* @param rsn Username of the player.
* @returns Encoded stats URL.
*/
export const getStatsURL = (gamemode: Gamemode, rsn: string) =>
`${GAMEMODE_URL[gamemode]}${STATS_URL}${encodeURIComponent(rsn)}`;
/**
* Will generate a player table URL for the official OSRS hiscores website.
*
* @param gamemode Gamemode to fetch ranks for.
* @param rsn Username of the player.
* @returns Encoded player table URL.
*/
export const getPlayerTableURL = (gamemode: Gamemode, rsn: string) =>
`${GAMEMODE_URL[gamemode]}${SCORES_URL}table=0&user=${encodeURIComponent(
rsn
)}`;
/**
* Will generate a skill table URL for the official OSRS hiscores website.
*
* @param gamemode Gamemode to fetch ranks for.
* @param skill Skill to fetch ranks for.
* @param page Page number.
* @returns
*/
export const getSkillPageURL = (
gamemode: Gamemode,
skill: SkillName,
page: number
) =>
`${GAMEMODE_URL[gamemode]}${SCORES_URL}table=${SKILLS.indexOf(
skill
)}&page=${page}`;
/**
* Will generate an activity table URL for the official OSRS hiscores website.
*
* @param gamemode Gamemode to fetch ranks for.
* @param activity Activity or boss to fetch ranks for.
* @param page Page number.
* @returns
*/
export const getActivityPageURL = (
gamemode: Gamemode,
activity: ActivityName,
page: number
) =>
`${
GAMEMODE_URL[gamemode]
}${SCORES_URL}category_type=1&table=${ACTIVITIES.indexOf(
activity
)}&page=${page}`;
/**
* Extracts a number from an OSRS hiscores table cell element.
*
* @param el OSRS hiscores table cell element.
* @returns Number parsed from cell text.
*/
export const numberFromElement = (el: Element | null) => {
const { innerHTML } = el ?? {};
const number = innerHTML?.replace(/[\n|,]/g, '') ?? '-1';
return parseInt(number, 10);
};
/**
* Extracts a RSN from an OSRS hiscores table cell element.
*
* @param el OSRS hiscores table cell element.
* @returns RSN parsed from cell text.
*/
export const rsnFromElement = (el: Element | null) => {
const { innerHTML } = el ?? {};
return innerHTML?.replace(/\uFFFD/g, ' ') ?? '';
};
/**
* Will run an Axios `GET` request against a given URL after injecting a `User-Agent` header.
*
* @param url URL to run a `GET` request against.
* @returns Axios response.
*/
export const httpGet = (url: string) =>
axios.get(url, {
headers: {
// without User-Agent header requests may be rejected by DDoS protection mechanism
'User-Agent': ua.firefox(80)
}
});