perf: skulpt 改为按需加载,client-zip 换成 fflate
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skulpt 此前被 SubmitCode.vue 静态引用,945K 的 chunk 落在做题页首屏,
学生打开任何一道题都要下 233KB gzip,只为提交时拿一个语法错误行号。
改成 import() 懒加载并在语言切到 Python3 时预取,加载失败放行提交、
交给后端判题兜底。构建产物确认该 chunk 只剩一处 import() 引用,
index.html 不再引用。

client-zip 的能力 fflate 已经覆盖(utils/functions.ts 本就在用 zlibSync),
新增 createZipBlob 统一两处测试用例打包,删掉该依赖。压缩方式由 store
变为 deflate,Python zipfile 透明解压,后端不受影响。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
2026-08-05 09:11:58 -06:00
parent ea691834b0
commit 4ae25b09c0
7 changed files with 105 additions and 25 deletions

View File

@@ -1,7 +1,14 @@
import { getTime, intervalToDuration, parseISO, type Duration } from "date-fns"
import { User } from "./types"
import { USER_TYPE } from "./constants"
import { strFromU8, strToU8, unzlibSync, zlibSync } from "fflate"
import {
strFromU8,
strToU8,
unzlibSync,
zipSync,
zlibSync,
type Zippable,
} from "fflate"
import copyTextFallback from "copy-text-to-clipboard"
import { customAlphabet } from "nanoid"
@@ -208,6 +215,22 @@ export function atou(base64: string): string {
return strFromU8(unzipped)
}
/**
* 把若干文本文件打包成 zip Blob
* @param files 文件名和文本内容
* @param mtime 归档内的修改时间,默认当前时间
*/
export function createZipBlob(
files: { name: string; content: string }[],
mtime: Date = new Date(),
): Blob {
const entries: Zippable = {}
for (const f of files) {
entries[f.name] = strToU8(f.content)
}
return new Blob([zipSync(entries, { mtime })], { type: "application/zip" })
}
/**
* 复制文本到剪贴板
* 优先使用 Clipboard API支持在 modal 中使用),失败时回退到 copy-text-to-clipboard