60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/index.ts
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var src_exports = {};
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__export(src_exports, {
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blobReader: () => blobReader
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});
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module.exports = __toCommonJS(src_exports);
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var import_util_base64 = require("@smithy/util-base64");
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function blobReader(blob, onChunk, chunkSize = 1024 * 1024) {
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return new Promise((resolve, reject) => {
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const fileReader = new FileReader();
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fileReader.onerror = reject;
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fileReader.onabort = reject;
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const size = blob.size;
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let totalBytesRead = 0;
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const read = /* @__PURE__ */ __name(() => {
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if (totalBytesRead >= size) {
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resolve();
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return;
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}
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fileReader.readAsDataURL(blob.slice(totalBytesRead, Math.min(size, totalBytesRead + chunkSize)));
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}, "read");
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fileReader.onload = (event) => {
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const result = event.target.result;
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const dataOffset = result.indexOf(",") + 1;
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const data = result.substring(dataOffset);
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const decoded = (0, import_util_base64.fromBase64)(data);
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onChunk(decoded);
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totalBytesRead += decoded.byteLength;
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read();
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};
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read();
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});
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}
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__name(blobReader, "blobReader");
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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blobReader
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});
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