import { UserOperation, Comment } from './interfaces'; export let repoUrl = 'https://github.com/dessalines/rust-reddit-fediverse'; export let wsUri = (window.location.protocol=='https:'&&'wss://'||'ws://')+window.location.host + '/service/ws/'; export function msgOp(msg: any): UserOperation { let opStr: string = msg.op; return UserOperation[opStr]; } export function hotRank(comment: Comment): number { // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date let now: Date = new Date(); let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5; let rank = (10000 * Math.sign(comment.score) * Math.log10(1 + Math.abs(comment.score))) / Math.pow(hoursElapsed + 2, 1.8); // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`); return rank; }