70 lines
No EOL
3 KiB
JavaScript
70 lines
No EOL
3 KiB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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class Chunk {
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constructor(start, end, index) {
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this.Start = start;
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this.End = end;
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this.Index = index;
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}
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}
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class Uploader {
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constructor() {
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this.InitRoute = "/Upload/Init";
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this.ChunkRoute = "/Upload/Chunk";
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this.MaxChunkSize = 1024 * 1024 * 25;
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}
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Init(elementId) {
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this.FileInput = document.getElementById(elementId);
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this.ParentForm = this.FileInput.closest("form");
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this.Chunks = [];
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this.ParentForm.onsubmit = (e) => __awaiter(this, void 0, void 0, function* () {
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yield this.HandleFormSubmit(e);
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});
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}
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HandleFormSubmit(e) {
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return __awaiter(this, void 0, void 0, function* () {
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e.preventDefault();
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this.File = this.FileInput.files.item(0);
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this.TotalChunks = Math.ceil(this.File.size / this.MaxChunkSize);
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var response = yield fetch(this.InitRoute, {
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method: "POST"
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});
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const data = yield response.json();
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if (response.ok) {
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this.Key = data.key;
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this.GetChunks();
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for (let chunk of this.Chunks) {
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let formData = new FormData();
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formData.append('file', this.File.slice(chunk.Start, chunk.End));
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formData.append('start', chunk.Start.toString());
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formData.append('end', chunk.End.toString());
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formData.append('key', this.Key);
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formData.append('total', this.File.size.toString());
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console.info(`Uploading chunk ${chunk.Index}/${this.TotalChunks}...`);
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let response = yield fetch(this.ChunkRoute, {
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method: "POST",
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body: formData
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});
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debugger;
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}
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}
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});
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}
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GetChunks() {
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for (let currentChunk = 1; currentChunk <= this.TotalChunks; currentChunk++) {
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let start = (currentChunk - 1) * this.MaxChunkSize;
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let end = (currentChunk * this.MaxChunkSize) - 1;
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if (currentChunk == this.TotalChunks)
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end = this.File.size;
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this.Chunks.push(new Chunk(start, end, currentChunk));
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}
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}
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}
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//# sourceMappingURL=Upload.js.map
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