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@donutteam/koa-body-parser

Koa Body Parser

A class for creating Koa middlewares that parse certain types of request bodies.

This is built on top of formidable V3.

Installation

Install the package with NPM:

npm install @donutteam/koa-body-parser

Usage

To use this class, simply instantiate an instance and add it to your Koa stack:

import Koa from "koa";

import { BodyParserMiddleware } from "@donutteam/koa-body-parser";

const app = new Koa();

const bodyParserMiddleware = new BodyParserMiddleware();

// Be sure to add the execute function on the instance
// and NOT the instance itself
app.use(bodyParserMiddleware.execute);

This will add a parsedBody object to context that will contain 4 fields:

• fields: An object containing a key for every field in the request and the first value with that name.
• fieldArrays: An object containing a key for every field in the request and an array of all values with that name.
• files: An object containing a key for every file in the request and the first value with that name.
• fileArrays: An object containing a key for every file in the request and an array of all values with that name.

This middleware supports parsing these types of incoming request bodies:

• application/x-www-form-urlencoded
• multipart/form-data
• application/json

All other types will throw an error.

License

MIT