General

Usage

All theses rules must be enforced on every files and project in the agency.

However, for commodity reasons, if this document conflicts with the eslint configuration, follow eslint until the config is fixed, and open an issue on the config.

Credits

This document is heavily inspired by the Airbnb javascript codestyle

Whitespace and global formatting

Whitespace

• Use soft tabs (space character) set to 4 space
• Commas must be followed by a single space (or newline) ,
• Semicolons must be followed by newline
• Leading braces must be preceded by a space
• Parenthesis of control structure must me preceded by a space
• Operators must be spaced before and after

Alignment

• Align

Types

• Quote strings with single quotes : '

Constants and variables

Declaration

• Prefer const over let and var every time it is possible. In fact, use constants every time variables are not necessary
• Prefer let over var

Variable names

• Use event as variable name for events when possible
• Use error as variable name for errors when possible
• Use exception as variable name for exceptions when possible
• All variables must be named using camelCase and not snake_case
• All constants/variables must be declared with there own const / let keyword. No comma chaining.

Functions

Always use arrow functions for callbacks (when using an anonymous function)

Misc

Package manager

Prefer the use of yarn over npm or any other package manager