antklim

{
  ## deno extension settings
  "deno.enable": true,
  "deno.unstable": true,
  
  ## editor settings
  "editor.formatOnSave": true,
  "editor.formatOnPaste": true,
  "editor.defaultFormatter": "denoland.vscode-deno"
}

antklim

import { readFile } from 'node:fs';

const readFileCallback = (err: Error | null, data: string | Buffer) => {
  if (err) {
    console.log(err);
    return;
  }
  
  // process data ...
  console.log(data.length);

antklim

type PromiseFunc = (...args: any[]) => Promise<any>;

type TryCatch<Func extends PromiseFunc> = (
  ...args: [...Parameters<Func>]
) => Promise<[Error | null, Awaited<ReturnType<Func>> | null]>;

const trycatch =
  <Func extends PromiseFunc>(f: Func): TryCatch<Func> => async (...args) => {
    try {
      const v = await f(...args);

antklim

const readFile = async (file: string): Promise<string | Error> => {
  try {
    return await Deno.readTextFile(file);
  } catch (err) {
    return err;
  }
};

const main = async () => {
  const file = Deno.env.get("FILE");

antklim

const readFile = async (file: string): Promise<[Error | null, string]> => {
  try {
    const text = await Deno.readTextFile(file);
    return [null, text];
  } catch (err) {
    return [err, ""];
  }
};

const main = async () => {

antklim

const readFile = async (file: string): Promise<string> =>
  await Deno.readTextFile(file);

const main = async () => {
  const file = Deno.env.get("FILE");
  if (!file) {
    console.log("file name required.");
    return;
  }

antklim

#!/bin/bash

################################################################################
##
## The following creates AWS resources for the project
##
################################################################################

. .env # populate parameters from .env file

antklim

PROJECT=my-awesome-project
TABLE=my-awesome-table
API_RESOURCE=my-awesome-resource
STAGE=some-stage
FRONTEND_BUCKET_NAME=my-frontend-assets-bucket
DISTRIBUTION_ENABLED=false

antklim

AWSTemplateFormatVersion: '2010-09-09'

Parameters:
  ProjectName:
    Description: Project name used to identify created AWS resources
    Type: String

Resources:
  WebACL:
    Type: AWS::WAFv2::WebACL

antklim

Distribution:
  Type: AWS::CloudFront::Distribution
  Properties:
    DistributionConfig:
      Comment: !Sub ${ProjectName} project distribution
      DefaultCacheBehavior:
        AllowedMethods:
          - GET
          - HEAD
          - OPTIONS