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