diff options
Diffstat (limited to 'g4f/Provider/npm/node_modules/undici/lib/dispatcher-base.js')
-rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/dispatcher-base.js | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/dispatcher-base.js b/g4f/Provider/npm/node_modules/undici/lib/dispatcher-base.js new file mode 100644 index 00000000..5c0220b5 --- /dev/null +++ b/g4f/Provider/npm/node_modules/undici/lib/dispatcher-base.js @@ -0,0 +1,192 @@ +'use strict' + +const Dispatcher = require('./dispatcher') +const { + ClientDestroyedError, + ClientClosedError, + InvalidArgumentError +} = require('./core/errors') +const { kDestroy, kClose, kDispatch, kInterceptors } = require('./core/symbols') + +const kDestroyed = Symbol('destroyed') +const kClosed = Symbol('closed') +const kOnDestroyed = Symbol('onDestroyed') +const kOnClosed = Symbol('onClosed') +const kInterceptedDispatch = Symbol('Intercepted Dispatch') + +class DispatcherBase extends Dispatcher { + constructor () { + super() + + this[kDestroyed] = false + this[kOnDestroyed] = null + this[kClosed] = false + this[kOnClosed] = [] + } + + get destroyed () { + return this[kDestroyed] + } + + get closed () { + return this[kClosed] + } + + get interceptors () { + return this[kInterceptors] + } + + set interceptors (newInterceptors) { + if (newInterceptors) { + for (let i = newInterceptors.length - 1; i >= 0; i--) { + const interceptor = this[kInterceptors][i] + if (typeof interceptor !== 'function') { + throw new InvalidArgumentError('interceptor must be an function') + } + } + } + + this[kInterceptors] = newInterceptors + } + + close (callback) { + if (callback === undefined) { + return new Promise((resolve, reject) => { + this.close((err, data) => { + return err ? reject(err) : resolve(data) + }) + }) + } + + if (typeof callback !== 'function') { + throw new InvalidArgumentError('invalid callback') + } + + if (this[kDestroyed]) { + queueMicrotask(() => callback(new ClientDestroyedError(), null)) + return + } + + if (this[kClosed]) { + if (this[kOnClosed]) { + this[kOnClosed].push(callback) + } else { + queueMicrotask(() => callback(null, null)) + } + return + } + + this[kClosed] = true + this[kOnClosed].push(callback) + + const onClosed = () => { + const callbacks = this[kOnClosed] + this[kOnClosed] = null + for (let i = 0; i < callbacks.length; i++) { + callbacks[i](null, null) + } + } + + // Should not error. + this[kClose]() + .then(() => this.destroy()) + .then(() => { + queueMicrotask(onClosed) + }) + } + + destroy (err, callback) { + if (typeof err === 'function') { + callback = err + err = null + } + + if (callback === undefined) { + return new Promise((resolve, reject) => { + this.destroy(err, (err, data) => { + return err ? /* istanbul ignore next: should never error */ reject(err) : resolve(data) + }) + }) + } + + if (typeof callback !== 'function') { + throw new InvalidArgumentError('invalid callback') + } + + if (this[kDestroyed]) { + if (this[kOnDestroyed]) { + this[kOnDestroyed].push(callback) + } else { + queueMicrotask(() => callback(null, null)) + } + return + } + + if (!err) { + err = new ClientDestroyedError() + } + + this[kDestroyed] = true + this[kOnDestroyed] = this[kOnDestroyed] || [] + this[kOnDestroyed].push(callback) + + const onDestroyed = () => { + const callbacks = this[kOnDestroyed] + this[kOnDestroyed] = null + for (let i = 0; i < callbacks.length; i++) { + callbacks[i](null, null) + } + } + + // Should not error. + this[kDestroy](err).then(() => { + queueMicrotask(onDestroyed) + }) + } + + [kInterceptedDispatch] (opts, handler) { + if (!this[kInterceptors] || this[kInterceptors].length === 0) { + this[kInterceptedDispatch] = this[kDispatch] + return this[kDispatch](opts, handler) + } + + let dispatch = this[kDispatch].bind(this) + for (let i = this[kInterceptors].length - 1; i >= 0; i--) { + dispatch = this[kInterceptors][i](dispatch) + } + this[kInterceptedDispatch] = dispatch + return dispatch(opts, handler) + } + + dispatch (opts, handler) { + if (!handler || typeof handler !== 'object') { + throw new InvalidArgumentError('handler must be an object') + } + + try { + if (!opts || typeof opts !== 'object') { + throw new InvalidArgumentError('opts must be an object.') + } + + if (this[kDestroyed] || this[kOnDestroyed]) { + throw new ClientDestroyedError() + } + + if (this[kClosed]) { + throw new ClientClosedError() + } + + return this[kInterceptedDispatch](opts, handler) + } catch (err) { + if (typeof handler.onError !== 'function') { + throw new InvalidArgumentError('invalid onError method') + } + + handler.onError(err) + + return false + } + } +} + +module.exports = DispatcherBase |