hexo/node_modules/form-data-encoder/lib/cjs/util/getStreamIterator.js

28 lines
945 B
JavaScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const isFunction_1 = __importDefault(require("./isFunction"));
const isAsyncIterable = (value) => ((0, isFunction_1.default)(value[Symbol.asyncIterator]));
async function* readStream(readable) {
const reader = readable.getReader();
while (true) {
const { done, value } = await reader.read();
if (done) {
break;
}
yield value;
}
}
const getStreamIterator = (source) => {
if (isAsyncIterable(source)) {
return source;
}
if ((0, isFunction_1.default)(source.getReader)) {
return readStream(source);
}
throw new TypeError("Unsupported data source: Expected either ReadableStream or async iterable.");
};
exports.default = getStreamIterator;