Style

This style is more or less the same as the python style guide with only a few minor differences that are specific from language to language (such as braces in typescript vs whitespace in python)

Indentation and Spacing / Horizontal Spacing

Always use 2 space tabbing. (i.e. not \t character)
Keep spacing around operators

script.typescript

const sum = a + b; // goodconst sum=a+b;     // bad

Limit line length to be < 80 characters

Vertical Spacing

Use blank lines to separate logical blocks

script.typescript

function foo() {  validation_user_input();  process_authentication();  initialize();  other_thing();}

It is preferred to use vertical separators sparingly, having single lines of code isolated vertically is not preferred.

Braces

Always use K&R style braces as opposed to microsoft/allman style

script.typescript

if (true) {  // good}if (true){  // bad}

It's better to use braces over single line if statements however for very simple if statements
single line syntax is okay.

script.typescript

if (true) return; // okif (condition1 && condition2) condition4 ? do_thing(arg1, arg2, arg3) : do_other_thing(arg1) // bad

Records/Dictionaries

When destructuring import or making records in general, space separate the curly braces. Do not space separate curly braces which are used to pass in props in components or in tsx

script.tsx

import { something } from './somewhere';setSearchParams({ session: currentTab.sessionId });<Component prop={variable}/> // good{inputType == 'Address' && <Component/>} // good

Semicolons, commas and quotes

Always use semi colons for statements

script.typescript

let doThing = () => {  console.log("A"); // <-- use this one}; // <-- unnecessary

Always use trailing commas (results in consistent git merging behavior)

script.typescript

dict = {  key: 5,  key2: 4, // <-- this one}

For quotations always use double quotes: "
Inner single quotes ' are acceptable

script.typescript

"This is a string" // ok"This is a 'string'" // inner ' is acceptabledict["key"] // even in dictionary key accessing " is used