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@gem-mine/bodyparser
Advanced tools
A body parser for koa, based on co-body. support json
, form
and text
type body.
Notice: this module don't support parsing multipart format data, please use co-busboy to parse multipart format data.
var Koa = require('koa');
var bodyParser = require('koa-bodyparser');
var app = new Koa();
app.use(bodyParser());
app.use(async ctx => {
// the parsed body will store in ctx.request.body
// if nothing was parsed, body will be an empty object {}
ctx.body = ctx.request.body;
});
enableTypes: parser will only parse when request type hits enableTypes, default is ['json', 'form']
.
encoding: requested encoding. Default is utf-8
by co-body
.
formLimit: limit of the urlencoded
body. If the body ends up being larger than this limit, a 413 error code is returned. Default is 56kb
.
jsonLimit: limit of the json
body. Default is 1mb
.
textLimit: limit of the text
body. Default is 1mb
.
strict: when set to true, JSON parser will only accept arrays and objects. Default is true
. See strict mode in co-body
. In strict mode, ctx.request.body
will always be an object(or array), this avoid lots of type judging. But text body will always return string type.
detectJSON: custom json request detect function. Default is null
.
app.use(bodyparser({
detectJSON: function (ctx) {
return /\.json$/i.test(ctx.path);
}
}));
extendTypes: support extend types:
app.use(bodyparser({
extendTypes: {
json: ['application/x-javascript'] // will parse application/x-javascript type body as a JSON string
}
}));
onerror: support custom error handle, if koa-bodyparser
throw an error, you can customize the response like:
app.use(bodyparser({
onerror: function (err, ctx) {
ctx.throw('body parse error', 422);
}
}));
disableBodyParser: you can dynamic disable body parser by set ctx.disableBodyParser = true
.
app.use(async (ctx, next) => {
if (ctx.path === '/disable') ctx.disableBodyParser = true;
await next();
});
app.use(bodyparser());
You can access raw request body by ctx.request.rawBody
after koa-bodyparser
when:
koa-bodyparser
parsed the request body.ctx.request.rawBody
is not present before koa-bodyparser
.To use koa-bodyparser
with koa@1, please use bodyparser 2.x.
npm install koa-bodyparser@2 --save
FAQs
a body parser for koa
We found that @gem-mine/bodyparser demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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