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View gatsbyjs_ts-js_testing.md
@erkobridee
erkobridee / iframe-content.css
Last active Dec 2, 2019
set focus to an iframe after loads its content
View iframe-content.css
// hack to enable touch after focus on the iframe
html,
body {
touch-action: auto;
}
@erkobridee
erkobridee / google_chrome_notepad.md
Created Nov 8, 2019
Notepad (paste in Chrome's addressbar)
View google_chrome_notepad.md

past the following string into the google chrome address bar:

data:text/html,<html contenteditable>
@erkobridee
erkobridee / git_repo_backup.sh
Last active Jun 21, 2019
useful way to backup a whole repository from on remote to another remote server on an Unix base system
View git_repo_backup.sh
# define a full backup of a git repository from one remote server to another one
origin="https://remote-source/repository.git";
target="https://remote-target/repository.git";
workDir="temp-directory";
mkdir $workDir
@erkobridee
erkobridee / multiline_regexp_sample.js
Created Apr 30, 2019
example of how to write a multiline RegExp and keep under row max length lint rules
View multiline_regexp_sample.js
const DEVICES_REGEXP = new RegExp([
/Android|webOS/,
/|iPhone|iPad|iPod/,
/|BB10|BlackBerry/,
/|IEMobile|Opera Mini/,
/|Mobile|mobile/
].map(function(r) {return r.source}).join(''), 'i');
// output: /Android|webOS|iPhone|iPad|iPod|BB10|BlackBerry|IEMobile|Opera Mini|Mobile|mobile/i
@erkobridee
erkobridee / isElementVisible.js
Last active May 6, 2019
a way to detect if a given element is on the visible area of the page
View isElementVisible.js
function isElementVisible(el, fullVisible) {
// efp - element from point
function efp(x, y) {
return window.document.elementFromPoint(x, y);
}
function getVWidth() {
return window.innerWidth || window.document.documentElement.clientWidth;
}
@erkobridee
erkobridee / useWait.ts
Created Apr 24, 2019
react hook for safe use setInterval or setTimeout
View useWait.ts
import * as React from 'react';
export type TFunction = (...args: any[]) => any;
/**
* common code to define useTimeout or useInterval hooks
*
* @param waitFunction
* @param cleanWaitFunction
*/
@erkobridee
erkobridee / AudioPlayerHelper.ts
Created Apr 19, 2019
a workaround to be able to play sounds anywhere (coded to be able to play sounds on iOS devices)
View AudioPlayerHelper.ts
// empty sound
const TEST_AUDIO_MP3 = [
'data:audio/mpeg;base64',
',/+MYxAAAAANIAUAAAASEEB/jwOFM/0MM/90b/+RhST//w4NFwOjf',
'///PZu//',
'//9lns5GFDv//l9GlUIEEIAAAgIg8Ir/JGq3/',
'+MYxDsLIj5QMYcoAP0dv9HIjUcH//yYSg+CIbkGP//',
'8w0bLVjUP///3Z0x5QCAv/yLjwtGKTEFNRTMuOTeqqqqqqqqqqqqq/',
'+MYxEkNmdJkUYc4AKqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq',
'qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq'
View useTimeout.ts
import * as React from 'react';
type TFunction = (...args: any[]) => any;
/**
* safe way to use window.setTimeout using a hook to handle it
*
* @param {TFunction} callback to be executed by the timeout
* @param {number} delay time to the execution
* @param {boolean} autorun flag that says if should start running right after call the hook - default true
View useInterval.ts
import * as React from 'react';
export type TFunction = (...args: any[]) => any;
/**
* safe way to use window.setInterval using a hook to handle it
*
* @param {TFunction} callback to be executed on each interval
* @param {number} delay time between the executions
* @param {boolean} autorun flag that says if should start running right after call the hook - default true
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