Utility to analyze function (js) and arrow functions (ts), and create metadata of expressions, the initial scope is that it seeks to solve simple expressions. And later advance to encompass complex expressions.
Created use to Typescript
First, install the package using npm:
npm install lambda-expression --save In Typescript:
import { ExpressionUtils, Expression } from "lambda-expression"; export class ExpressionUsage { private readonly _expressionUtils: ExpressionUtils; constructor() { this._expressionUtils = new ExpressionUtils(); } public expression<T>(exp: Expression<T>){ console.log(this._expressionUtils.getColumnByExpression(exp)); } public test(){ this.expression<ModelTest>(x => x.id); // id this.expression<ModelTest>(x => x.description); // description this.expression<ModelTest>(x => x.date); // date this.expression<ModelTest>(x => x.isValid); // isValid this.expression<ModelTest>(x => x.reference.name); // reference_name } } class ModelTest{ id: number; name: string; description: string; date: Date; isValid: boolean; reference: ReferencesModelTest; } class ReferencesModelTest{ id: number; name: string; } Apache 2.0