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'use strict'
const { InvalidArgumentError } = require('../core/errors')
const Client = require('./client')
class H2CClient extends Client {
constructor (origin, clientOpts) {
if (typeof origin === 'string') {
origin = new URL(origin)
}
if (origin.protocol !== 'http:') {
throw new InvalidArgumentError(
'h2c-client: Only h2c protocol is supported'
)
}
const { connect, maxConcurrentStreams, pipelining, ...opts } =
clientOpts ?? {}
let defaultMaxConcurrentStreams = 100
let defaultPipelining = 100
if (
maxConcurrentStreams != null &&
Number.isInteger(maxConcurrentStreams) &&
maxConcurrentStreams > 0
) {
defaultMaxConcurrentStreams = maxConcurrentStreams
}
if (pipelining != null && Number.isInteger(pipelining) && pipelining > 0) {
defaultPipelining = pipelining
}
if (defaultPipelining > defaultMaxConcurrentStreams) {
throw new InvalidArgumentError(
'h2c-client: pipelining cannot be greater than maxConcurrentStreams'
)
}
super(origin, {
...opts,
maxConcurrentStreams: defaultMaxConcurrentStreams,
pipelining: defaultPipelining,
allowH2: true,
useH2c: true
})
}
}
module.exports = H2CClient
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