babel-helper-evaluate-path
Fixes / Features:
- Detect usages before initialization / declaration
JavaScript
function foo() {
console.log(b); // ReferenceError
let b = 1;
}
function bar() {
console.log(a); // a is void 0
var a = 5;
console.log(a); // 5
}
- Detect usages in scopes outside of initialization for vars (hoisted)
JavaScript
function foo() {
if (a) var x = 5;
console.log(x); // cannot determine
}
Installation
- npm
- Yarn
- pnpm
npm install babel-helper-evaluate-path --save-dev
yarn add babel-helper-evaluate-path --dev
pnpm add babel-helper-evaluate-path --save-dev