danopia

// variable we want to narrow
const { channel } = {} as Record<string,string | undefined>;
// if this simpler definition is used instead, it's all ok
// const channel: undefined | string = 'hi';


// method returning never
const api = {} as { cancel(): never; };

if (!channel) api.cancel();

danopia

const signals = [
  Deno.signal(Deno.Signal.SIGINT),
  Deno.signal(Deno.Signal.SIGTERM),
];
const cleaningUp = Promise.race(signals).then(() => {
  signals.forEach(x => x.dispose());
});

console.log('Module running...');

danopia

import * as Base64 from 'https://deno.land/std@0.76.0/encoding/base64.ts';

async function toDataUrl(resp: Response): Promise<string> {
  const contentType = resp.headers.get('content-type') ?? 'application/octet-stream';
  const buffer = await resp.arrayBuffer();
  return `data:${contentType};base64,`+Base64.encode(buffer);
}

const gifUrl = 'https://matthews.sites.wfu.edu/misc/jpg_vs_gif/testImage.gif';
console.log(await fetch(gifUrl).then(toDataUrl));

danopia

$ aws-profiles

Purpose

When using saml2aws to assume AWS roles from a single-sign-on account, you'll need to get new credentials every workday (if not hourly). And users who use multiple accounts need to manage multiple sessions. It becomes hard to track which sessions you have active, and which sessions are expired.

danopia

// In a Unix pipe, accepts 'tableized' input with many spaces between fields,
//   and outputs the data as a traditional CSV.
// Does not handle input where fields contain their own spaces.

import { BufReader, BufWriter } from "https://deno.land/std@0.68.0/io/bufio.ts";
import { TextProtoReader } from "https://deno.land/std@0.68.0/textproto/mod.ts";

const input = new TextProtoReader(new BufReader(Deno.stdin));

while (true) {

danopia

export const commands = [
  
  {
    name: 'coinbase',
    args: 
    script: 'https://......../command.js',
    allow: {
      net: ['api.coinbase.com'],
    },
  },

danopia

export default fetch

danopia

package main

import (
	"log"
	// "time"

	"github.com/google/nftables"
	nftexpr "github.com/google/nftables/expr"
)

danopia

import Kubernetes from './kubernetes.js'

const kubectl = new Kubernetes({namespace: process.env.KUBE_NAMESPACE});
const logMinutes = 30;
(async () => {

  // Tally IP addresses that hit us
  const ipHits = new Map;
  for (const pod of await kubectl.listPods({app: process.env.KUBE_APP_LABEL})) {
    console.log(`Checking ${logMinutes}m of`, pod.metadata.name)

danopia

FROM golang:1.14 AS build-go
WORKDIR /src
# cache deps
ADD go.* /src/
RUN go mod download
# build module
ADD * /src/
RUN go build -o /bin/hello-sts

# pack into minimal image