Spaces:
Sleeping
Sleeping
File size: 5,928 Bytes
be5030f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 |
"use strict";
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
Object.defineProperty(exports, "__esModule", { value: true });
const adapters_1 = require("./adapters");
const utf8_1 = require("../util/utf8");
const interfaces_1 = require("./interfaces");
const buffer_1 = require("../util/buffer");
const compat_1 = require("../util/compat");
/** @ignore */
class AsyncByteQueue extends interfaces_1.AsyncQueue {
write(value) {
if ((value = buffer_1.toUint8Array(value)).byteLength > 0) {
return super.write(value);
}
}
toString(sync = false) {
return sync
? utf8_1.decodeUtf8(this.toUint8Array(true))
: this.toUint8Array(false).then(utf8_1.decodeUtf8);
}
toUint8Array(sync = false) {
return sync ? buffer_1.joinUint8Arrays(this._values)[0] : (async () => {
let buffers = [], byteLength = 0;
for await (const chunk of this) {
buffers.push(chunk);
byteLength += chunk.byteLength;
}
return buffer_1.joinUint8Arrays(buffers, byteLength)[0];
})();
}
}
exports.AsyncByteQueue = AsyncByteQueue;
/** @ignore */
class ByteStream {
constructor(source) {
if (source) {
this.source = new ByteStreamSource(adapters_1.default.fromIterable(source));
}
}
[Symbol.iterator]() { return this; }
next(value) { return this.source.next(value); }
throw(value) { return this.source.throw(value); }
return(value) { return this.source.return(value); }
peek(size) { return this.source.peek(size); }
read(size) { return this.source.read(size); }
}
exports.ByteStream = ByteStream;
/** @ignore */
class AsyncByteStream {
constructor(source) {
if (source instanceof AsyncByteStream) {
this.source = source.source;
}
else if (source instanceof AsyncByteQueue) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromAsyncIterable(source));
}
else if (compat_1.isReadableNodeStream(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromNodeStream(source));
}
else if (compat_1.isReadableDOMStream(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromDOMStream(source));
}
else if (compat_1.isFetchResponse(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromDOMStream(source.body));
}
else if (compat_1.isIterable(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromIterable(source));
}
else if (compat_1.isPromise(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromAsyncIterable(source));
}
else if (compat_1.isAsyncIterable(source)) {
this.source = new AsyncByteStreamSource(adapters_1.default.fromAsyncIterable(source));
}
}
[Symbol.asyncIterator]() { return this; }
next(value) { return this.source.next(value); }
throw(value) { return this.source.throw(value); }
return(value) { return this.source.return(value); }
get closed() { return this.source.closed; }
cancel(reason) { return this.source.cancel(reason); }
peek(size) { return this.source.peek(size); }
read(size) { return this.source.read(size); }
}
exports.AsyncByteStream = AsyncByteStream;
/** @ignore */
class ByteStreamSource {
constructor(source) {
this.source = source;
}
cancel(reason) { this.return(reason); }
peek(size) { return this.next(size, 'peek').value; }
read(size) { return this.next(size, 'read').value; }
next(size, cmd = 'read') { return this.source.next({ cmd, size }); }
throw(value) { return Object.create((this.source.throw && this.source.throw(value)) || interfaces_1.ITERATOR_DONE); }
return(value) { return Object.create((this.source.return && this.source.return(value)) || interfaces_1.ITERATOR_DONE); }
}
/** @ignore */
class AsyncByteStreamSource {
constructor(source) {
this.source = source;
this._closedPromise = new Promise((r) => this._closedPromiseResolve = r);
}
async cancel(reason) { await this.return(reason); }
get closed() { return this._closedPromise; }
async read(size) { return (await this.next(size, 'read')).value; }
async peek(size) { return (await this.next(size, 'peek')).value; }
async next(size, cmd = 'read') { return (await this.source.next({ cmd, size })); }
async throw(value) {
const result = (this.source.throw && await this.source.throw(value)) || interfaces_1.ITERATOR_DONE;
this._closedPromiseResolve && this._closedPromiseResolve();
this._closedPromiseResolve = undefined;
return Object.create(result);
}
async return(value) {
const result = (this.source.return && await this.source.return(value)) || interfaces_1.ITERATOR_DONE;
this._closedPromiseResolve && this._closedPromiseResolve();
this._closedPromiseResolve = undefined;
return Object.create(result);
}
}
//# sourceMappingURL=stream.js.map
|