[英]for…of loop halts for no apparent reason
我在Discord机器人上运行了以下setInterval
:
client.setInterval(async () => {
try {
const response = await fetch('http://pso2.kaze.rip/eq/');
if (response.status !== 200) return;
const data = await response.json();
const cache = JSON.parse(await fs.readFile("./cache.json"));
if (data[0]["time"] !== cache["time"]) {
const guilds = client.guilds.filter(guild => { return client.provider.get(guild, "alerts") });
let i = 0;
for (let guild of guilds) {
i = i + 1;
let settings = await client.provider.get(guild[1], "alerts");
let eqs = data[0]["eqs"].filter(item => { return settings["ships"].includes(item["ship"]) });
let format = [];
if (!client.channels.get(settings['channel'])) return;
let channel = client.channels.get(settings['channel']);
if (eqs.length <= 0) return;
if (eqs.length > 0 && eqs.length !== 10) {
for (let eq of eqs) {
format.push(`\`SHIP ${eq['ship']}:\` ${eq['name']} (${eq['jpName']})`);
}
}
else {
format.push(`\`ALL SHIPS:\` ${eqs[0]['name']} (${eqs[0]['jpName']})`);
}
let time = moment(data[0]["when"]);
let string = `:watch:**IN 40 MINUTES:** (${time.format("HH:mm")} JST)\n${format.join('\n')}`;
if (channel.type == "text" && channel.permissionsFor(client.user).has("SEND_MESSAGES")) {
//await client.channels.get(settings['channel']).send(string);
console.log(`${i} Sending alert to guild ${guild[1]}`);
}
else {
console.log(`${i} Skipping guild ${guild[1]}`);
}
}
console.log('writing file...');
await fs.writeFile("cache.json", `{ "time" : "${data[0]["time"]}" }`);
console.log('done');
}
} catch (err) {
console.error(err);
}
}, 10000, client);
一切都按预期工作,除了在第93次迭代之后循环停止并且不执行任何其他操作(直到setInterval
的下一次迭代发生)为止。 这很奇怪,因为guilds
数组中有400多个对象,我甚至在循环中检查了第94个元素以进行检查,并通过了所有检查。 是什么原因造成的?
如果循环比该行退出
if (!client.channels.get(settings['channel'])) return;
在跑。
所以我猜你想继续循环,所以你应该使用continue
退出该迭代,而不是return
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