| 1 | import { __awaiter, __generator } from "tslib";
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| 2 | import { fromBase64 } from "@aws-sdk/util-base64-browser";
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| 3 | export var streamCollector = function (stream) {
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| 4 | if (typeof Blob === "function" && stream instanceof Blob) {
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| 5 | return collectBlob(stream);
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| 6 | }
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| 7 | return collectStream(stream);
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| 8 | };
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| 9 | function collectBlob(blob) {
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| 10 | return __awaiter(this, void 0, void 0, function () {
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| 11 | var base64, arrayBuffer;
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| 12 | return __generator(this, function (_a) {
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| 13 | switch (_a.label) {
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| 14 | case 0: return [4, readToBase64(blob)];
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| 15 | case 1:
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| 16 | base64 = _a.sent();
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| 17 | arrayBuffer = fromBase64(base64);
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| 18 | return [2, new Uint8Array(arrayBuffer)];
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| 19 | }
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| 20 | });
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| 21 | });
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| 22 | }
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| 23 | function collectStream(stream) {
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| 24 | return __awaiter(this, void 0, void 0, function () {
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| 25 | var res, reader, isDone, _a, done, value, prior;
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| 26 | return __generator(this, function (_b) {
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| 27 | switch (_b.label) {
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| 28 | case 0:
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| 29 | res = new Uint8Array(0);
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| 30 | reader = stream.getReader();
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| 31 | isDone = false;
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| 32 | _b.label = 1;
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| 33 | case 1:
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| 34 | if (!!isDone) return [3, 3];
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| 35 | return [4, reader.read()];
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| 36 | case 2:
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| 37 | _a = _b.sent(), done = _a.done, value = _a.value;
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| 38 | if (value) {
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| 39 | prior = res;
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| 40 | res = new Uint8Array(prior.length + value.length);
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| 41 | res.set(prior);
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| 42 | res.set(value, prior.length);
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| 43 | }
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| 44 | isDone = done;
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| 45 | return [3, 1];
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| 46 | case 3: return [2, res];
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| 47 | }
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| 48 | });
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| 49 | });
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| 50 | }
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| 51 | function readToBase64(blob) {
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| 52 | return new Promise(function (resolve, reject) {
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| 53 | var reader = new FileReader();
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| 54 | reader.onloadend = function () {
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| 55 | var _a;
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| 56 | if (reader.readyState !== 2) {
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| 57 | return reject(new Error("Reader aborted too early"));
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| 58 | }
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| 59 | var result = ((_a = reader.result) !== null && _a !== void 0 ? _a : "");
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| 60 | var commaIndex = result.indexOf(",");
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| 61 | var dataOffset = commaIndex > -1 ? commaIndex + 1 : result.length;
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| 62 | resolve(result.substring(dataOffset));
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| 63 | };
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| 64 | reader.onabort = function () { return reject(new Error("Read aborted")); };
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| 65 | reader.onerror = function () { return reject(reader.error); };
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| 66 | reader.readAsDataURL(blob);
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| 67 | });
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| 68 | }
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