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72 lines
2.5 KiB
JavaScript
72 lines
2.5 KiB
JavaScript
import { filesize } from "filesize";
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export default class BaseSource {
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// 构造函数，初始化通用配置
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constructor() {
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this.name = "";
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this.domain = "";
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this.example_urls = [];
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}
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content_template = {
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timepoint: 0, // 弹幕发送时间（秒）
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ct: 1, // 弹幕类型，1-3 为滚动弹幕、4 为底部、5 为顶端、6 为逆向、7 为精确、8 为高级
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size: 25, //字体大小，25 为中，18 为小
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color: 16777215, //弹幕颜色，RGB 颜色转为十进制后的值，16777215 为白色
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unixtime: Math.floor(Date.now() / 1000), //Unix 时间戳格式
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uid: 0, //发送人的 id
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content: "",
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}
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time_to_second(time) {
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const t = time.split(":");
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let s = 0;
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let m = 1;
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while (t.length > 0) {
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s += m * parseInt(t.pop(), 10);
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m *= 60;
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}
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return s;
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}
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memory() {
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const memoryUsage = process.memoryUsage();
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console.log("memory", JSON.stringify({
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rss: filesize(memoryUsage.rss),//RAM 中保存的进程占用的内存部分，包括代码本身、栈、堆。
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heapTotal: filesize(memoryUsage.heapTotal),//堆中总共申请到的内存量。
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heapUsed: filesize(memoryUsage.heapUsed),//堆中目前用到的内存量，判断内存泄漏我们主要以这个字段为准。
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external: filesize(memoryUsage.external),// V8 引擎内部的 C++ 对象占用的内存。
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}));
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}
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// 解析传入的视频网址，获取弹幕请求地址（Promise数组）
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async resolve(url) {
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throw new Error("Method 'resolve()' must be implemented.");
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}
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// 请求弹幕资源，返回标准化弹幕内容
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async parse(datas) {
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throw new Error("Method 'parse()' must be implemented.");
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}
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// 综合处理入口，返回最终弹幕内容
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async work(url) {
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const promises = await this.resolve(url);
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if (!this.error_msg) {
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console.log(this.name, "API lens:", promises.length);
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this.memory(); //显示内存使用量
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// 并发请求弹幕数据，等待所有请求完成。
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let datas = (await Promise.allSettled(promises))
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.filter(x => x.status === "fulfilled")
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.map(x => x.value.data);
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this.memory(); //显示内存使用量
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this.content = await this.parse(datas);
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}
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return {
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title: this.title,
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content: this.content,
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msg: this.error_msg? this.error_msg: "ok"
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};
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}
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} |