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366 lines
13 KiB
366 lines
13 KiB
5 months ago
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var utilities = require('../..');
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var tslib = require('tslib');
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var utils = require('../../../link/utils');
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var errors = require('../../../errors');
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var core = require('../../../core');
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function asyncIterator(source) {
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var _a;
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var iterator = source[Symbol.asyncIterator]();
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return _a = {
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next: function () {
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return iterator.next();
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}
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},
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_a[Symbol.asyncIterator] = function () {
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return this;
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},
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_a;
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}
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function nodeStreamIterator(stream) {
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var cleanup = null;
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var error = null;
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var done = false;
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var data = [];
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var waiting = [];
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function onData(chunk) {
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if (error)
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return;
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if (waiting.length) {
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var shiftedArr = waiting.shift();
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if (Array.isArray(shiftedArr) && shiftedArr[0]) {
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return shiftedArr[0]({ value: chunk, done: false });
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}
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}
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data.push(chunk);
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}
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function onError(err) {
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error = err;
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var all = waiting.slice();
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all.forEach(function (pair) {
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pair[1](err);
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});
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!cleanup || cleanup();
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}
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function onEnd() {
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done = true;
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var all = waiting.slice();
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all.forEach(function (pair) {
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pair[0]({ value: undefined, done: true });
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});
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!cleanup || cleanup();
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}
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cleanup = function () {
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cleanup = null;
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stream.removeListener("data", onData);
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stream.removeListener("error", onError);
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stream.removeListener("end", onEnd);
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stream.removeListener("finish", onEnd);
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stream.removeListener("close", onEnd);
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};
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stream.on("data", onData);
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stream.on("error", onError);
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stream.on("end", onEnd);
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stream.on("finish", onEnd);
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stream.on("close", onEnd);
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function getNext() {
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return new Promise(function (resolve, reject) {
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if (error)
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return reject(error);
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if (data.length)
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return resolve({ value: data.shift(), done: false });
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if (done)
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return resolve({ value: undefined, done: true });
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waiting.push([resolve, reject]);
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});
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}
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var iterator = {
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next: function () {
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return getNext();
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},
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};
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if (utilities.canUseAsyncIteratorSymbol) {
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iterator[Symbol.asyncIterator] = function () {
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return this;
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};
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}
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return iterator;
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}
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function promiseIterator(promise) {
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var resolved = false;
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var iterator = {
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next: function () {
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if (resolved)
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return Promise.resolve({
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value: undefined,
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done: true,
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});
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resolved = true;
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return new Promise(function (resolve, reject) {
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promise
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.then(function (value) {
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resolve({ value: value, done: false });
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})
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.catch(reject);
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});
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},
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};
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if (utilities.canUseAsyncIteratorSymbol) {
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iterator[Symbol.asyncIterator] = function () {
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return this;
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};
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}
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return iterator;
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}
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function readerIterator(reader) {
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var iterator = {
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next: function () {
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return reader.read();
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},
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};
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if (utilities.canUseAsyncIteratorSymbol) {
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iterator[Symbol.asyncIterator] = function () {
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return this;
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};
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}
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return iterator;
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}
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function isNodeResponse(value) {
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return !!value.body;
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}
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function isReadableStream(value) {
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return !!value.getReader;
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}
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function isAsyncIterableIterator(value) {
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return !!(utilities.canUseAsyncIteratorSymbol &&
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value[Symbol.asyncIterator]);
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}
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function isStreamableBlob(value) {
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return !!value.stream;
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}
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function isBlob(value) {
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return !!value.arrayBuffer;
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}
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function isNodeReadableStream(value) {
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return !!value.pipe;
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}
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function responseIterator(response) {
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var body = response;
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if (isNodeResponse(response))
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body = response.body;
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if (isAsyncIterableIterator(body))
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return asyncIterator(body);
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if (isReadableStream(body))
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return readerIterator(body.getReader());
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if (isStreamableBlob(body)) {
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return readerIterator(body.stream().getReader());
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}
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if (isBlob(body))
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return promiseIterator(body.arrayBuffer());
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if (isNodeReadableStream(body))
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return nodeStreamIterator(body);
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throw new Error("Unknown body type for responseIterator. Please pass a streamable response.");
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}
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function isNonNullObject(obj) {
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return obj !== null && typeof obj === "object";
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}
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function isApolloPayloadResult(value) {
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return isNonNullObject(value) && "payload" in value;
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}
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function readMultipartBody(response, nextValue) {
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var _a;
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return tslib.__awaiter(this, void 0, void 0, function () {
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var decoder, contentType, delimiter, boundaryVal, boundary, buffer, iterator, running, _b, value, done, chunk, searchFrom, bi, message, i, headers, contentType_1, body, result, next;
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var _c, _d;
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return tslib.__generator(this, function (_e) {
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switch (_e.label) {
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case 0:
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if (TextDecoder === undefined) {
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throw new Error("TextDecoder must be defined in the environment: please import a polyfill.");
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}
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decoder = new TextDecoder("utf-8");
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contentType = (_a = response.headers) === null || _a === void 0 ? void 0 : _a.get("content-type");
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delimiter = "boundary=";
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boundaryVal = (contentType === null || contentType === void 0 ? void 0 : contentType.includes(delimiter)) ?
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contentType === null || contentType === void 0 ? void 0 : contentType.substring((contentType === null || contentType === void 0 ? void 0 : contentType.indexOf(delimiter)) + delimiter.length).replace(/['"]/g, "").replace(/\;(.*)/gm, "").trim()
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: "-";
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boundary = "\r\n--".concat(boundaryVal);
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buffer = "";
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iterator = responseIterator(response);
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running = true;
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_e.label = 1;
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case 1:
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if (!running) return [3 , 3];
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return [4 , iterator.next()];
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case 2:
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_b = _e.sent(), value = _b.value, done = _b.done;
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chunk = typeof value === "string" ? value : decoder.decode(value);
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searchFrom = buffer.length - boundary.length + 1;
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running = !done;
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buffer += chunk;
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bi = buffer.indexOf(boundary, searchFrom);
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while (bi > -1) {
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message = void 0;
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_c = [
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buffer.slice(0, bi),
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buffer.slice(bi + boundary.length),
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], message = _c[0], buffer = _c[1];
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i = message.indexOf("\r\n\r\n");
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headers = parseHeaders(message.slice(0, i));
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contentType_1 = headers["content-type"];
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if (contentType_1 &&
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contentType_1.toLowerCase().indexOf("application/json") === -1) {
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throw new Error("Unsupported patch content type: application/json is required.");
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}
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body = message.slice(i);
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if (body) {
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result = parseJsonBody(response, body);
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if (Object.keys(result).length > 1 ||
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"data" in result ||
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"incremental" in result ||
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"errors" in result ||
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"payload" in result) {
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if (isApolloPayloadResult(result)) {
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next = {};
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if ("payload" in result) {
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next = tslib.__assign({}, result.payload);
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}
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if ("errors" in result) {
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next = tslib.__assign(tslib.__assign({}, next), { extensions: tslib.__assign(tslib.__assign({}, ("extensions" in next ? next.extensions : null)), (_d = {}, _d[errors.PROTOCOL_ERRORS_SYMBOL] = result.errors, _d)) });
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}
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nextValue(next);
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}
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else {
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nextValue(result);
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}
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}
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else if (
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Object.keys(result).length === 1 &&
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"hasNext" in result &&
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!result.hasNext) {
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return [2 ];
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}
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}
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bi = buffer.indexOf(boundary);
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}
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return [3 , 1];
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case 3: return [2 ];
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}
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});
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});
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}
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function parseHeaders(headerText) {
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var headersInit = {};
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headerText.split("\n").forEach(function (line) {
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var i = line.indexOf(":");
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if (i > -1) {
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var name_1 = line.slice(0, i).trim().toLowerCase();
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var value = line.slice(i + 1).trim();
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headersInit[name_1] = value;
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}
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});
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return headersInit;
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}
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function parseJsonBody(response, bodyText) {
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if (response.status >= 300) {
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var getResult = function () {
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try {
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return JSON.parse(bodyText);
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}
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catch (err) {
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return bodyText;
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}
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};
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utils.throwServerError(response, getResult(), "Response not successful: Received status code ".concat(response.status));
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}
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try {
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return JSON.parse(bodyText);
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}
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catch (err) {
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var parseError = err;
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parseError.name = "ServerParseError";
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parseError.response = response;
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parseError.statusCode = response.status;
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parseError.bodyText = bodyText;
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throw parseError;
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}
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}
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function handleError(err, observer) {
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if (err.result && err.result.errors && err.result.data) {
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observer.next(err.result);
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}
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observer.error(err);
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}
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var defaultHttpOptions = {
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includeQuery: true,
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includeExtensions: false,
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preserveHeaderCase: false,
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};
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var defaultHeaders = {
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accept: "*/*",
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"content-type": "application/json",
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};
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var defaultOptions = {
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method: "POST",
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};
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var fallbackHttpConfig = {
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http: defaultHttpOptions,
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headers: defaultHeaders,
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options: defaultOptions,
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};
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function generateOptionsForMultipartSubscription(headers) {
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var options = tslib.__assign(tslib.__assign({}, fallbackHttpConfig.options), { headers: tslib.__assign(tslib.__assign(tslib.__assign({}, (headers || {})), fallbackHttpConfig.headers), { accept: "multipart/mixed;boundary=graphql;subscriptionSpec=1.0,application/json" }) });
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return options;
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}
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var backupFetch = utilities.maybe(function () { return fetch; });
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function createFetchMultipartSubscription(uri, _a) {
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var _b = _a === void 0 ? {} : _a, preferredFetch = _b.fetch, headers = _b.headers;
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return function multipartSubscriptionForwarder(_a) {
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var query = _a.query, variables = _a.variables;
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var body = { variables: variables, query: query };
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var options = generateOptionsForMultipartSubscription(headers || {});
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return new utilities.Observable(function (observer) {
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try {
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options.body = core.serializeFetchParameter(body, "Payload");
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}
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catch (parseError) {
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observer.error(parseError);
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}
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var currentFetch = preferredFetch || utilities.maybe(function () { return fetch; }) || backupFetch;
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var observerNext = observer.next.bind(observer);
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currentFetch(uri, options)
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.then(function (response) {
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var _a;
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var ctype = (_a = response.headers) === null || _a === void 0 ? void 0 : _a.get("content-type");
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if (ctype !== null && /^multipart\/mixed/i.test(ctype)) {
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return readMultipartBody(response, observerNext);
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}
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observer.error(new Error("Expected multipart response"));
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})
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.then(function () {
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observer.complete();
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})
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.catch(function (err) {
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handleError(err, observer);
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});
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});
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};
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}
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exports.createFetchMultipartSubscription = createFetchMultipartSubscription;
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//# sourceMappingURL=urql.cjs.map
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