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feat: limit the number of concurrent uploads (#98)

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sigoden 2022-07-06 19:17:30 +08:00 committed by GitHub
parent 76e967fa59
commit 05dbcfb2df
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1 changed files with 30 additions and 3 deletions
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33
assets/index.js
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@ -53,7 +53,7 @@ class Uploader {
}
upload() {
const { file, idx, name } = this;
const { idx, name } = this;
const url = getUrl(name);
const encodedUrl = encodedStr(url);
const encodedName = encodedStr(name);
@ -70,8 +70,15 @@ class Uploader {
$uploadersTable.classList.remove("hidden");
$emptyFolder.classList.add("hidden");
this.$uploadStatus = document.getElementById(`uploadStatus${idx}`);
this.lastUptime = Date.now();
this.$uploadStatus.innerHTML = '-';
Uploader.queues.push(this);
Uploader.runQueue();
}
ajax() {
Uploader.runings += 1;
const url = getUrl(this.name);
this.lastUptime = Date.now();
const ajax = new XMLHttpRequest();
ajax.upload.addEventListener("progress", e => this.progress(e), false);
ajax.addEventListener("readystatechange", () => {
@ -86,8 +93,9 @@ class Uploader {
ajax.addEventListener("error", () => this.fail(), false);
ajax.addEventListener("abort", () => this.fail(), false);
ajax.open("PUT", url);
ajax.send(file);
ajax.send(this.file);
}
progress(event) {
const now = Date.now();
@ -103,15 +111,34 @@ class Uploader {
complete() {
this.$uploadStatus.innerHTML = `✓`;
Uploader.runings -= 1;
Uploader.runQueue();
}
fail() {
this.$uploadStatus.innerHTML = `✗`;
Uploader.runings -= 1;
Uploader.runQueue();
}
}
Uploader.globalIdx = 0;
Uploader.runings = 0;
/**
* @type Uploader[]
*/
Uploader.queues = [];
Uploader.runQueue = () => {
if (Uploader.runings > 2) return;
let uploader = Uploader.queues.shift();
if (!uploader) return;
uploader.ajax();
}
/**
* Add breadcrumb
* @param {string} href