Files
kiss-translator/src/libs/fetch.js

147 lines
3.2 KiB
JavaScript

import { isExt, isGm } from "./client";
import { sendBgMsg } from "./msg";
import { getSettingWithDefault } from "./storage";
import { MSG_FETCH, DEFAULT_HTTP_TIMEOUT } from "../config";
import { isBg } from "./browser";
import { kissLog } from "./log";
import { getFetchPool } from "./pool";
import { getHttpCachePolyfill, parseResponse } from "./cache";
/**
* 油猴脚本的请求封装
* @param {*} input
* @param {*} init
* @returns
*/
export const fetchGM = async (
input,
{ method = "GET", headers, body, timeout } = {}
) =>
new Promise((resolve, reject) => {
GM.xmlHttpRequest({
method,
url: input,
headers,
data: body,
// withCredentials: true,
timeout,
onload: ({ response, responseHeaders, status, statusText }) => {
const headers = {};
responseHeaders.split("\n").forEach((line) => {
const [name, value] = line.split(":").map((item) => item.trim());
if (name && value) {
headers[name] = value;
}
});
resolve({
body: response,
headers,
status,
statusText,
});
},
onerror: reject,
});
});
/**
* 发起请求
* @param {*} input
* @param {*} init
* @param {*} opts
* @returns
*/
export const fetchPatcher = async (input, init = {}, opts) => {
let timeout = opts?.httpTimeout;
if (!timeout) {
try {
timeout = (await getSettingWithDefault()).httpTimeout;
} catch (err) {
kissLog(err, "getSettingWithDefault");
}
}
if (!timeout) {
timeout = DEFAULT_HTTP_TIMEOUT;
}
if (isGm) {
// todo: 自定义接口 init 可能包含了 signal
Object.assign(init, { timeout });
const { body, headers, status, statusText } = window.KISS_GM
? await window.KISS_GM.fetch(input, init)
: await fetchGM(input, init);
return new Response(body, {
headers: new Headers(headers),
status,
statusText,
});
}
if (AbortSignal?.timeout && !init.signal) {
Object.assign(init, { signal: AbortSignal.timeout(timeout) });
}
return fetch(input, init);
};
/**
* 处理请求
* @param {*} param0
* @returns
*/
export const fetchHandle = async ({ input, init, opts }) => {
const res = await fetchPatcher(input, init, opts);
return parseResponse(res);
};
/**
* fetch 兼容性封装
* @param {*} args
* @returns
*/
const fetchPolyfill = (args) => {
// 插件
if (isExt && !isBg()) {
return sendBgMsg(MSG_FETCH, args);
}
// 油猴/网页/BackgroundPage
return fetchHandle(args);
};
/**
* 数据请求
* @param {*} input
* @param {*} init
* @param {*} param1
* @returns
*/
export const fetchData = async (
input,
init,
{ useCache, usePool, fetchInterval, fetchLimit, ...opts } = {}
) => {
if (!input?.trim()) {
throw new Error("URL is empty");
}
// 使用缓存数据
if (useCache) {
const resCache = await getHttpCachePolyfill(input, init);
if (resCache) {
return resCache;
}
}
// 通过任务池发送请求
if (usePool) {
const fetchPool = getFetchPool(fetchInterval, fetchLimit);
return fetchPool.push(fetchPolyfill, { input, init, opts });
}
// 直接请求
return fetchPolyfill({ input, init, opts });
};