Using highcharts with Vue and TypeScript

highcharts

Project setup

yarn install

Compiles and hot-reloads for development

yarn serve

Compiles and minifies for production

yarn build

Lints and fixes files

yarn lint

Customize configuration

See Configuration Reference.

Download Details:

Author: rockhopper-penguin

Demo: https://rockhopper-penguin-vue.web.app/#/

Source Code: https://github.com/rockhopper-penguin/highcharts

#vuejs #vue #javascript

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Pdf2gerb: Perl Script Converts PDF Files to Gerber format

pdf2gerb

Perl script converts PDF files to Gerber format

Pdf2Gerb generates Gerber 274X photoplotting and Excellon drill files from PDFs of a PCB. Up to three PDFs are used: the top copper layer, the bottom copper layer (for 2-sided PCBs), and an optional silk screen layer. The PDFs can be created directly from any PDF drawing software, or a PDF print driver can be used to capture the Print output if the drawing software does not directly support output to PDF.

The general workflow is as follows:

1. Design the PCB using your favorite CAD or drawing software.
2. Print the top and bottom copper and top silk screen layers to a PDF file.
3. Run Pdf2Gerb on the PDFs to create Gerber and Excellon files.
4. Use a Gerber viewer to double-check the output against the original PCB design.
5. Make adjustments as needed.
6. Submit the files to a PCB manufacturer.

Please note that Pdf2Gerb does NOT perform DRC (Design Rule Checks), as these will vary according to individual PCB manufacturer conventions and capabilities. Also note that Pdf2Gerb is not perfect, so the output files must always be checked before submitting them. As of version 1.6, Pdf2Gerb supports most PCB elements, such as round and square pads, round holes, traces, SMD pads, ground planes, no-fill areas, and panelization. However, because it interprets the graphical output of a Print function, there are limitations in what it can recognize (or there may be bugs).

See docs/Pdf2Gerb.pdf for install/setup, config, usage, and other info.

---

pdf2gerb_cfg.pm

#Pdf2Gerb config settings:
#Put this file in same folder/directory as pdf2gerb.pl itself (global settings),
#or copy to another folder/directory with PDFs if you want PCB-specific settings.
#There is only one user of this file, so we don't need a custom package or namespace.
#NOTE: all constants defined in here will be added to main namespace.
#package pdf2gerb_cfg;

use strict; #trap undef vars (easier debug)
use warnings; #other useful info (easier debug)


##############################################################################################
#configurable settings:
#change values here instead of in main pfg2gerb.pl file

use constant WANT_COLORS => ($^O !~ m/Win/); #ANSI colors no worky on Windows? this must be set < first DebugPrint() call

#just a little warning; set realistic expectations:
#DebugPrint("${\(CYAN)}Pdf2Gerb.pl ${\(VERSION)}, $^O O/S\n${\(YELLOW)}${\(BOLD)}${\(ITALIC)}This is EXPERIMENTAL software.  \nGerber files MAY CONTAIN ERRORS.  Please CHECK them before fabrication!${\(RESET)}", 0); #if WANT_DEBUG

use constant METRIC => FALSE; #set to TRUE for metric units (only affect final numbers in output files, not internal arithmetic)
use constant APERTURE_LIMIT => 0; #34; #max #apertures to use; generate warnings if too many apertures are used (0 to not check)
use constant DRILL_FMT => '2.4'; #'2.3'; #'2.4' is the default for PCB fab; change to '2.3' for CNC

use constant WANT_DEBUG => 0; #10; #level of debug wanted; higher == more, lower == less, 0 == none
use constant GERBER_DEBUG => 0; #level of debug to include in Gerber file; DON'T USE FOR FABRICATION
use constant WANT_STREAMS => FALSE; #TRUE; #save decompressed streams to files (for debug)
use constant WANT_ALLINPUT => FALSE; #TRUE; #save entire input stream (for debug ONLY)

#DebugPrint(sprintf("${\(CYAN)}DEBUG: stdout %d, gerber %d, want streams? %d, all input? %d, O/S: $^O, Perl: $]${\(RESET)}\n", WANT_DEBUG, GERBER_DEBUG, WANT_STREAMS, WANT_ALLINPUT), 1);
#DebugPrint(sprintf("max int = %d, min int = %d\n", MAXINT, MININT), 1); 

#define standard trace and pad sizes to reduce scaling or PDF rendering errors:
#This avoids weird aperture settings and replaces them with more standardized values.
#(I'm not sure how photoplotters handle strange sizes).
#Fewer choices here gives more accurate mapping in the final Gerber files.
#units are in inches
use constant TOOL_SIZES => #add more as desired
(
#round or square pads (> 0) and drills (< 0):
    .010, -.001,  #tiny pads for SMD; dummy drill size (too small for practical use, but needed so StandardTool will use this entry)
    .031, -.014,  #used for vias
    .041, -.020,  #smallest non-filled plated hole
    .051, -.025,
    .056, -.029,  #useful for IC pins
    .070, -.033,
    .075, -.040,  #heavier leads
#    .090, -.043,  #NOTE: 600 dpi is not high enough resolution to reliably distinguish between .043" and .046", so choose 1 of the 2 here
    .100, -.046,
    .115, -.052,
    .130, -.061,
    .140, -.067,
    .150, -.079,
    .175, -.088,
    .190, -.093,
    .200, -.100,
    .220, -.110,
    .160, -.125,  #useful for mounting holes
#some additional pad sizes without holes (repeat a previous hole size if you just want the pad size):
    .090, -.040,  #want a .090 pad option, but use dummy hole size
    .065, -.040, #.065 x .065 rect pad
    .035, -.040, #.035 x .065 rect pad
#traces:
    .001,  #too thin for real traces; use only for board outlines
    .006,  #minimum real trace width; mainly used for text
    .008,  #mainly used for mid-sized text, not traces
    .010,  #minimum recommended trace width for low-current signals
    .012,
    .015,  #moderate low-voltage current
    .020,  #heavier trace for power, ground (even if a lighter one is adequate)
    .025,
    .030,  #heavy-current traces; be careful with these ones!
    .040,
    .050,
    .060,
    .080,
    .100,
    .120,
);
#Areas larger than the values below will be filled with parallel lines:
#This cuts down on the number of aperture sizes used.
#Set to 0 to always use an aperture or drill, regardless of size.
use constant { MAX_APERTURE => max((TOOL_SIZES)) + .004, MAX_DRILL => -min((TOOL_SIZES)) + .004 }; #max aperture and drill sizes (plus a little tolerance)
#DebugPrint(sprintf("using %d standard tool sizes: %s, max aper %.3f, max drill %.3f\n", scalar((TOOL_SIZES)), join(", ", (TOOL_SIZES)), MAX_APERTURE, MAX_DRILL), 1);

#NOTE: Compare the PDF to the original CAD file to check the accuracy of the PDF rendering and parsing!
#for example, the CAD software I used generated the following circles for holes:
#CAD hole size:   parsed PDF diameter:      error:
#  .014                .016                +.002
#  .020                .02267              +.00267
#  .025                .026                +.001
#  .029                .03167              +.00267
#  .033                .036                +.003
#  .040                .04267              +.00267
#This was usually ~ .002" - .003" too big compared to the hole as displayed in the CAD software.
#To compensate for PDF rendering errors (either during CAD Print function or PDF parsing logic), adjust the values below as needed.
#units are pixels; for example, a value of 2.4 at 600 dpi = .0004 inch, 2 at 600 dpi = .0033"
use constant
{
    HOLE_ADJUST => -0.004 * 600, #-2.6, #holes seemed to be slightly oversized (by .002" - .004"), so shrink them a little
    RNDPAD_ADJUST => -0.003 * 600, #-2, #-2.4, #round pads seemed to be slightly oversized, so shrink them a little
    SQRPAD_ADJUST => +0.001 * 600, #+.5, #square pads are sometimes too small by .00067, so bump them up a little
    RECTPAD_ADJUST => 0, #(pixels) rectangular pads seem to be okay? (not tested much)
    TRACE_ADJUST => 0, #(pixels) traces seemed to be okay?
    REDUCE_TOLERANCE => .001, #(inches) allow this much variation when reducing circles and rects
};

#Also, my CAD's Print function or the PDF print driver I used was a little off for circles, so define some additional adjustment values here:
#Values are added to X/Y coordinates; units are pixels; for example, a value of 1 at 600 dpi would be ~= .002 inch
use constant
{
    CIRCLE_ADJUST_MINX => 0,
    CIRCLE_ADJUST_MINY => -0.001 * 600, #-1, #circles were a little too high, so nudge them a little lower
    CIRCLE_ADJUST_MAXX => +0.001 * 600, #+1, #circles were a little too far to the left, so nudge them a little to the right
    CIRCLE_ADJUST_MAXY => 0,
    SUBST_CIRCLE_CLIPRECT => FALSE, #generate circle and substitute for clip rects (to compensate for the way some CAD software draws circles)
    WANT_CLIPRECT => TRUE, #FALSE, #AI doesn't need clip rect at all? should be on normally?
    RECT_COMPLETION => FALSE, #TRUE, #fill in 4th side of rect when 3 sides found
};

#allow .012 clearance around pads for solder mask:
#This value effectively adjusts pad sizes in the TOOL_SIZES list above (only for solder mask layers).
use constant SOLDER_MARGIN => +.012; #units are inches

#line join/cap styles:
use constant
{
    CAP_NONE => 0, #butt (none); line is exact length
    CAP_ROUND => 1, #round cap/join; line overhangs by a semi-circle at either end
    CAP_SQUARE => 2, #square cap/join; line overhangs by a half square on either end
    CAP_OVERRIDE => FALSE, #cap style overrides drawing logic
};
    
#number of elements in each shape type:
use constant
{
    RECT_SHAPELEN => 6, #x0, y0, x1, y1, count, "rect" (start, end corners)
    LINE_SHAPELEN => 6, #x0, y0, x1, y1, count, "line" (line seg)
    CURVE_SHAPELEN => 10, #xstart, ystart, x0, y0, x1, y1, xend, yend, count, "curve" (bezier 2 points)
    CIRCLE_SHAPELEN => 5, #x, y, 5, count, "circle" (center + radius)
};
#const my %SHAPELEN =
#Readonly my %SHAPELEN =>
our %SHAPELEN =
(
    rect => RECT_SHAPELEN,
    line => LINE_SHAPELEN,
    curve => CURVE_SHAPELEN,
    circle => CIRCLE_SHAPELEN,
);

#panelization:
#This will repeat the entire body the number of times indicated along the X or Y axes (files grow accordingly).
#Display elements that overhang PCB boundary can be squashed or left as-is (typically text or other silk screen markings).
#Set "overhangs" TRUE to allow overhangs, FALSE to truncate them.
#xpad and ypad allow margins to be added around outer edge of panelized PCB.
use constant PANELIZE => {'x' => 1, 'y' => 1, 'xpad' => 0, 'ypad' => 0, 'overhangs' => TRUE}; #number of times to repeat in X and Y directions

# Set this to 1 if you need TurboCAD support.
#$turboCAD = FALSE; #is this still needed as an option?

#CIRCAD pad generation uses an appropriate aperture, then moves it (stroke) "a little" - we use this to find pads and distinguish them from PCB holes. 
use constant PAD_STROKE => 0.3; #0.0005 * 600; #units are pixels
#convert very short traces to pads or holes:
use constant TRACE_MINLEN => .001; #units are inches
#use constant ALWAYS_XY => TRUE; #FALSE; #force XY even if X or Y doesn't change; NOTE: needs to be TRUE for all pads to show in FlatCAM and ViewPlot
use constant REMOVE_POLARITY => FALSE; #TRUE; #set to remove subtractive (negative) polarity; NOTE: must be FALSE for ground planes

#PDF uses "points", each point = 1/72 inch
#combined with a PDF scale factor of .12, this gives 600 dpi resolution (1/72 * .12 = 600 dpi)
use constant INCHES_PER_POINT => 1/72; #0.0138888889; #multiply point-size by this to get inches

# The precision used when computing a bezier curve. Higher numbers are more precise but slower (and generate larger files).
#$bezierPrecision = 100;
use constant BEZIER_PRECISION => 36; #100; #use const; reduced for faster rendering (mainly used for silk screen and thermal pads)

# Ground planes and silk screen or larger copper rectangles or circles are filled line-by-line using this resolution.
use constant FILL_WIDTH => .01; #fill at most 0.01 inch at a time

# The max number of characters to read into memory
use constant MAX_BYTES => 10 * M; #bumped up to 10 MB, use const

use constant DUP_DRILL1 => TRUE; #FALSE; #kludge: ViewPlot doesn't load drill files that are too small so duplicate first tool

my $runtime = time(); #Time::HiRes::gettimeofday(); #measure my execution time

print STDERR "Loaded config settings from '${\(__FILE__)}'.\n";
1; #last value must be truthful to indicate successful load


#############################################################################################
#junk/experiment:

#use Package::Constants;
#use Exporter qw(import); #https://perldoc.perl.org/Exporter.html

#my $caller = "pdf2gerb::";

#sub cfg
#{
#    my $proto = shift;
#    my $class = ref($proto) || $proto;
#    my $settings =
#    {
#        $WANT_DEBUG => 990, #10; #level of debug wanted; higher == more, lower == less, 0 == none
#    };
#    bless($settings, $class);
#    return $settings;
#}

#use constant HELLO => "hi there2"; #"main::HELLO" => "hi there";
#use constant GOODBYE => 14; #"main::GOODBYE" => 12;

#print STDERR "read cfg file\n";

#our @EXPORT_OK = Package::Constants->list(__PACKAGE__); #https://www.perlmonks.org/?node_id=1072691; NOTE: "_OK" skips short/common names

#print STDERR scalar(@EXPORT_OK) . " consts exported:\n";
#foreach(@EXPORT_OK) { print STDERR "$_\n"; }
#my $val = main::thing("xyz");
#print STDERR "caller gave me $val\n";
#foreach my $arg (@ARGV) { print STDERR "arg $arg\n"; }

---

Download Details:

Author: swannman
Source Code: https://github.com/swannman/pdf2gerb

License: GPL-3.0 license

#perl 

8 Popular Websites That Use The Vue.JS Framework

In this article, we are going to list out the most popular websites using Vue JS as their frontend framework.

Vue JS is one of those elite progressive JavaScript frameworks that has huge demand in the web development industry. Many popular websites are developed using Vue in their frontend development because of its imperative features.

This framework was created by Evan You and still it is maintained by his private team members. Vue is of course an open-source framework which is based on MVVM concept (Model-view view-Model) and used extensively in building sublime user-interfaces and also considered a prime choice for developing single-page heavy applications.

Released in February 2014, Vue JS has gained 64,828 stars on Github, making it very popular in recent times.

Evan used Angular JS on many operations while working for Google and integrated many features in Vue to cover the flaws of Angular.

“I figured, what if I could just extract the part that I really liked about Angular and build something really lightweight." - Evan You

#vuejs #vue #vue-with-laravel #vue-top-story #vue-3 #build-vue-frontend #vue-in-laravel #vue.js

Vue File Upload Using vue-dropzone Tutorial

In this tutorial, I will show you how to upload a file in Vue using vue-dropzone library. For this example, I am using Vue.js 3.0. First, we will install the Vue.js using Vue CLI, and then we install the vue-dropzone library. Then configure it, and we are ready to accept the file. DropzoneJS is an open source library that provides drag and drops file uploads with image previews. DropzoneJS is lightweight doesn’t depend on any other library (like jQuery) and is  highly customizable. The  vue-dropzone is a vue component implemented on top of Dropzone.js. Let us start Vue File Upload Using vue-dropzone Tutorial.

Dropzone.js is an open-source library providing drag-and-drop file uploads with image previews. DropzoneJS is lightweight, doesn’t depend on any other library (like jQuery), and is highly customizable.

The vue-dropzone is a vue component implemented on top of Dropzone.js.

First, install the Vue using Vue CLI.

Step 1: Install Vue.js using Vue CLI.

Go to your terminal and hit the following command.

npm install -g @vue/cli
         or
yarn global add @vue/cli

If you face any error, try running the command as an administrator.

Now, we need to generate the necessary scaffold. So type the following command.

vue create vuedropzone

It will install the scaffold.

Open the project in your favorite editor. Mine is Visual Studio Code.

cd vuedropzone
code .

Step 2: Install vue-dropzone.

I am using the Yarn package manager. So let’s install using Yarn. You can use NPM, also. It does not matter.

yarn add vue2-dropzone

or

npm install vue2-dropzone

Okay, now we need to add one css file with the above package. Now, vue cli uses css loader, so we can directly import in the src >>  main.js entry file.

import Vue from 'vue'
import App from './App.vue'

Vue.config.productionTip = false

new Vue({
  render: h => h(App)
}).$mount('#app')

import 'vue2-dropzone/dist/vue2Dropzone.css'

If importing css is not working for you, then you need to install that CSS file manually.

Copy this vue2Dropzone.css file’s content.

Create one file inside the src  >>  assets folder, create one css file called vuedropzone.css and paste the content there.

Import this css file inside src  >>  App.vue file.

<style lang="css">
  @import './assets/vuedropzone.css';
</style>

Now, it should include in our application.

Step 3: Upload an Image.

Our primary boilerplate has one ready-made component called HelloWorld.vue inside src  >>  components folder. Now, create one more file called FileUpload.vue.

Add the following code to FileUpload.vue file.

// FileUpload.vue

<template>
  <div id="app">
    <vue-dropzone id="upload" :options="config"></vue-dropzone>
  </div>
</template>

<script>
import vueDropzone from "vue2-dropzone";

export default {
  data: () => ({
    config: {
      url: "https://appdividend.com"
    }
  }),
  components: {
    vueDropzone
  }
};
</script>

Here, our API endpoint is https://appdividend.com. It is the point where we will hit the POST route and store our image, but it is my blog’s homepage, so it will not work anyway. But let me import this file into App.vue component and see what happens.

// App.vue

<template>
  <div id="app">
    <FileUpload />
  </div>
</template>

<script>
import FileUpload from './components/FileUpload.vue'

export default {
  name: 'app',
  components: {
    FileUpload
  }
}
</script>

<style lang="css">
  @import './assets/vuedropzone.css';
</style>

Now, start the development server using the following command. It will open up URL: http://localhost:8080.

npm run serve

Now, after uploading the image, we can see that the image upload is failed due to the wrong POST request endpoint.

Step 4: Create Laravel API for the endpoint.

Install the Laravel.

After that, we configure the database in the .env file and use MySQL database.

We need to create one model and migration file to store the image. So let us install the following command inside the Laravel project.

php artisan make:model Image -m

It will create both the Image model and create_images_table.php migrations file.

Now, open the migrations file and add the schema to it.

// create_images_table.php

public function up()
    {
        Schema::create('images', function (Blueprint $table) {
            $table->increments('id');
            $table->string('image_name');
            $table->timestamps();
        });
    }

Now, migrate the database table using the following command.

php artisan migrate

It creates the table in the database.

Now, we need to add a laravel-cors package to prevent cross-site-allow-origin errors. Go to the Laravel root and enter the following command to install it.

composer require barryvdh/laravel-cors

Configure it in the config  >>  app.php file.

Barryvdh\Cors\ServiceProvider::class,

Add the middleware inside app >>  Http  >>  Kernel.php file.

// Kernel.php

protected $middleware = [
        \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
        \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
        \App\Http\Middleware\TrimStrings::class,
        \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
        \App\Http\Middleware\TrustProxies::class,
        \Barryvdh\Cors\HandleCors::class,
];

Step 5: Define the API route and method to store the image.

First, create an ImageController.php file using the following command.

php artisan make:controller ImageController

Define the store method. Also, create one images folder inside the public directory because we will store an image inside it.

Right now, I have written the store function that handles one image at a time. So do not upload multiple photos at a time; otherwise, it will break.

// ImageController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Image;

class ImageController extends Controller
{
    public function store(Request $request)
    {
       if($request->file('file'))
       {
          $image = $request->file('file');
          $name = time().$image->getClientOriginalName();
          $image->move(public_path().'/images/', $name); 
        }

       $image= new Image();
       $image->image_name = $name;
       $image->save();

       return response()->json(['success' => 'You have successfully uploaded an image'], 200);
     }
}

Go to the routes   >>  api.php file and add the following route.

// api.php

Route::post('image', 'ImageController@store');

Step 6: Edit FileUpload.vue component.

We need to add the correct Post request API endpoint in FileUpload.vue component.

// FileUpload.vue

<template>
  <div id="app">
    <vue-dropzone id="drop1" :options="config" @vdropzone-complete="afterComplete"></vue-dropzone>
  </div>
</template>

<script>
import vueDropzone from "vue2-dropzone";

export default {
  data: () => ({
    config: {
      url: "http://localhost:8000/api/image",
      
    }
  }),
  components: {
    vueDropzone
  },
  methods: {
    afterComplete(file) {
      console.log(file);
    }
  }
};
</script>

Now, save the file and try to upload an image. If everything is okay, then you will be able to save the image on the Laravel web server as well as save the name in the database as well.

You can also verify on the server side by checking the database entry and the images folder in which we have saved the image.

Step 7: More vue-dropzone configuration.

The only required options are url, but there are many more you can use.

For example, let’s say you want:

• A maximum of 4 files
• 2 MB max file size
• Sent in chunks of 500 bytes
• Set a custom thumbnail size of 150px
• Make the uploaded items cancelable and removable (by default, they’re not)

export default {
  data: () => ({
    dropOptions: {
      url: "https://httpbin.org/post",
      maxFilesize: 5, // MB
      maxFiles: 5,
      chunking: true,
      chunkSize: 400, // Bytes
      thumbnailWidth: 100, // px
      thumbnailHeight: 100,
      addRemoveLinks: true
    }
  })
  // ...
}

Happy Coding !!!

Originally published at https://appdividend.com 

#vue #vue-dropzone #vue.js #dropzone.js #dropzonejs #vue cli

How to use highchart in php with example

Highchart provides feature to draw different type of charts in our web application. Here, in this example i will let you know that how to use highchart in php application.

In this example, we will create chart using php and mysql. Actually highchart provides javascript library to create charts. We will only need to implement that library in our application.

We will need some data to generate chart, so here we will use mysql database and database query to fetch data from database.

So basucally here we will leran to implement simple dynamic column chart using highcharts library in php and ofcourse will use mysql database.

For for that, first thing we will need to create a database and tables where we will put some data. So for full example let’s follow the steps as given below.

Step 1: Create Database

Here for example, i will create a database named shopping and under this database we will need to create some tables, here i will create only two table one is to stroe customers information and another to store orders.

So run the following query in your query window.

Create customers table

CREATE TABLE IF NOT EXISTS `customers` (

  `id` int(11) NOT NULL AUTO_INCREMENT,

  `name` varchar(30) NOT NULL,

  `email` varchar(30) NOT NULL,

  `phone` varchar(15) NOT NULL,

  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,

  PRIMARY KEY (`id`)

) ENGINE=InnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=10 ;

Now you will to put some data into these two tables. You can put any data accoring to the column and your need. After putting data we can be able to show the chart according the the data.

Step 2: Create database configuration

Now we will need to create configuration file. So let’s create a new db configuration file **db_config.php **and put the following code into this file.

db_config.php

<?php
  $dbHost = "localhost";
  $dbDatabase = "shopping";
  $dbUser = "root";
        $dbPassword = ""; 

  $mysqli = mysqli_connect($dbHost, $dbUser, $dbPasswrod, $dbDatabase);
?>

#php #create highchart in php #generate highchart in php #high chart using php and mysql example #highchart example #how to implement high chart in php #how to use highchart

The Definitive Guide to TypeScript & Possibly The Best TypeScript Book

TypeScript Deep Dive

I've been looking at the issues that turn up commonly when people start using TypeScript. This is based on the lessons from Stack Overflow / DefinitelyTyped and general engagement with the TypeScript community. You can follow for updates and don't forget to ★ on GitHub 🌹

Reviews

• Thanks for the wonderful book. Learned a lot from it. (link)
• Its probably the Best TypeScript book out there. Good Job (link)
• Love how precise and clear the examples and explanations are! (link)
• For the low, low price of free, you get pages of pure awesomeness. Chock full of source code examples and clear, concise explanations, TypeScript Deep Dive will help you learn TypeScript development. (link)
• Just a big thank you! Best TypeScript 2 detailed explanation! (link)
• This gitbook got my project going pronto. Fluent easy read 5 stars. (link)
• I recommend the online #typescript book by @basarat you'll love it.(link)
• I've always found this by @basarat really helpful. (link)
• We must highlight TypeScript Deep Dive, an open source book.(link)
• Great online resource for learning. (link)
• Thank you for putting this book together, and for all your hard work within the TypeScript community. (link)
• TypeScript Deep Dive is one of the best technical texts I've read in a while. (link)
• Thanks @basarat for the TypeScript Deep Dive Book. Help me a lot with my first TypeScript project. (link)
• Thanks to @basarat for this great #typescript learning resource. (link)
• Guyz excellent book on Typescript(@typescriptlang) by @basarat (link)
• Leaning on the legendary @basarat's "TypeScript Deep Dive" book heavily at the moment (link)
• numTimesPointedPeopleToBasaratsTypeScriptBook++; (link)
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Special Thanks

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Author: Basarat
Source Code: https://github.com/basarat/typescript-book/ 
License: View license

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