RDUK - Expression


Generate abstract syntax tree

__Note__: tested with node v6.4.0

Installation

``sh
npm install @rduk/expression --save --save-exact
`

Usage

`js
const expression = require('@rduk/expression');
let tree = expression.lambda.parse(user => (user.age >= 21));
`

Example

`js
let fn = (user, profile) => ({
id: user.id,
email: user.email,
password: user.password,
firstName: profile.first_name,
lastName: profile.last_name
});

let expression = ast.lambda.parse(fn);

/**
* LambdaExpression {
* body:
* ObjectLiteralExpression {
* fields:
* [ FieldExpression {
* name: 'id',
* assignment:
* PropertyExpression {
* property: 'id',
* context:
* NameExpression { name: 'user' } } },
* FieldExpression {
* name: 'email',
* assignment:
* PropertyExpression {
* property: 'email',
* context:
* NameExpression { name: 'user' } } },
* FieldExpression {
* name: 'password',
* assignment:
* PropertyExpression {
* property: 'password',
* context:
* NameExpression { name: 'user' } } },
* FieldExpression {
* name: 'firstName',
* assignment:
* PropertyExpression {
* property: 'first_name',
* context:
* NameExpression { name: 'profile' } } },
* FieldExpression {
* name: 'lastName',
* assignment:
* PropertyExpression {
* property: 'last_name',
* context:
* NameExpression { name: 'profile' } } } ] },
* args:
* [ NameExpression { name: 'user' },
* NameExpression { name: 'profile' } ] }
*/
`

License and copyright


see LICENSE` file