Emilien Durieu EmilienD
EmilienD
/ event-loop-accumulator.js
Created
May 6, 2021 13:38
"Accumulate" all the calls to a function in a each iteration of the event loop so that they can be treated together ("insert all" instead of "insert one" for every call, or actually applying only the last "update" of a model for example)
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| function accumulator(callback){ | |
| let acc = [] | |
| let timeout = null | |
| return (val) =>{ | |
| acc.push(val) | |
| clearTimeout(timeout) | |
| timeout = setTimeout(() => { | |
| callback(acc) | |
| acc = [] |
EmilienD
/ promise-queue.js
Created
May 4, 2021 10:24
simple promise queue to execute promises consecutively
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| function createQueue() { | |
| const queue = []; | |
| let pendingPromise = false; | |
| function enqueue(callback) { | |
| queue.push(callback); | |
| dequeue(); | |
| } | |
| function dequeue() { |
EmilienD
/ immutable-fifo.js
Created
April 29, 2021 09:15
One liner to use arrays as fifo cache without mutating the array
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| const fifo = limit => array => item => array.length === limit ? array.slice(1).concat(item) : array.concat(item) |
EmilienD
/ designModeToggler.user.js
Last active
July 25, 2019 13:47
User script to easily toggle document.designMode on a webpage
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| // ==UserScript== | |
| // @name DesignMode toggler | |
| // @version 1 | |
| // @grant none | |
| // @include * | |
| // ==/UserScript== | |
| const shortcut = { | |
| key: '1', | |
| ctrlKey: true, |
EmilienD
/ BRANCH_NAME_MAKER.js
Last active
July 25, 2019 13:10
Unsophisticated user script to create branch name out of Jira ticket page (triggered by clicking on the tomato dot in the top right corner, or ctrl+shift+B)
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| // ==UserScript== | |
| // @name BRANCH_NAME_MAKER | |
| // @include https://qover001.atlassian.net/browse/* | |
| // @grant GM.setClipboard | |
| // ==/UserScript== | |
| const clickZone = document.createElement('div') | |
| clickZone.style = ` | |
| position: absolute; | |
| top: 15px; |
EmilienD
/ google-analytics-dataLayer-displayer.js
Created
November 15, 2018 10:56
Showing the current state of the dataLayer in a few lines of javascript
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| var dataLayerDisplayer = document.createElement('div') | |
| dataLayerDisplayer.style= "font-size: 8; background-color: rgba(255,255,255,0.5); position: fixed; top:0; left: 0; z-index: 9001; max-height: 50vh; overflow: scroll;" | |
| dataLayerDisplayer.id = "dataLayerDisplayer" | |
| document.querySelector('body').append(dataLayerDisplayer) | |
| setInterval(() => document.querySelector('#dataLayerDisplayer').innerHTML = JSON.stringify(dataLayer.concat().reverse(), null, 2).split('\n').join('<br>').split(' ').join(' '), 500) |
EmilienD
/ index-dot-js-maker.js
Last active
March 16, 2018 09:48
generate an index.js file as a commonjs style module
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| // usage: `node index-dot-js-maker.js <target directory>` | |
| const Promise = require('bluebird'); | |
| const fs = Promise.promisifyAll(require('fs')); | |
| const path = require('path'); | |
| const _ = require('lodash'); | |
| const cwd = process.cwd(); | |
| const maindir = path.resolve(cwd, process.argv[process.argv.length - 1]); |
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| set smartindent | |
| set number | |
| set shiftwidth=2 | |
| set softtabstop=2 | |
| set tabstop=2 | |
| set expandtab |