ChukwuEmekaAjah
/ greet.js
Created
February 16, 2021 09:49
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| let timeNow = new Date(); | |
| let currentHour = timeNow.getHours(); | |
| let count = 1; | |
| let idk = null | |
| function greet(){ | |
| if (count == 10){ | |
| clearInterval(idk); | |
| } | |
| if ((5 <= currentHour) && (currentHour <= 10)){ |
ChukwuEmekaAjah
/ ago.js
Created
August 28, 2022 20:01
Return how long ago an event occurred with respect to current time.
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| const pluralize = function (value){ | |
| return Math.floor(value) > 1 ? 's' : ''; | |
| } | |
| function ago(date){ | |
| const now = Math.floor(Date.now()/1000) | |
| const time = new Date(date) | |
| if(isNaN(time.getTime())){ | |
| throw new Error(`Passed in date ${date} is not a valid date`) | |
| } |
ChukwuEmekaAjah
/ timestampdb.js
Created
May 30, 2023 22:55
This is an implementation of timestamp key-value store that allows historical record of values inserted for a key in a db. This implementation uses a sorted set of timestamps to make sure that the db meets its constraints.
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| class TimeStampDB{ | |
| constructor (){ | |
| this.db = {} | |
| } | |
| set(key, timestamp, value){ | |
| this.db[key] = this.db[key] || {} | |
| this.db[key][timestamp] = value | |
| this.db[key]['timestamps'] = this.db[key]['timestamps'] || [] | |
| // find insert position for sorted set of timestamps array |
ChukwuEmekaAjah
/ ignored_files.ts
Created
July 16, 2023 22:23
A basic implementation of how files to be ignored in 'ignore' files are found and ignored
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| import * as path from "path" | |
| import * as fs from "fs" | |
| // find all files that match the corresponding splitted directory component | |
| // find all files and folders that match the regular expression of the corresponding path | |
| // filter out all unmatched files/folders from the list based on splitted path | |
| function getIgnoredFiles(ignorePath: string) :string[]{ | |
| const allFiles = walk(process.cwd(), [], {}) | |
| const regex = buildRegex(ignorePath) |
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