samnoh / ts-blockchain

TypeScript + Blockchain

TypeScript Blockchian

Install

npm install -g typescript

npm install --save-dev typescript tsc-watch

• package.json

"start": "tsc-watch --onSuccess \"node build/index.js\"",
"build": "tsc"

TIL

tsconfig.json

• Typescript Compile Option

{
    "compilerOptions": {
        "module": "commonjs",
        "target": "ES2015",
        "sourceMap": false,
        "removeComments": true,
        "outDir": "./build"
    },
    "include": ["src/*"],
    "exclude": ["node_modules", "build"]
}

Types

• private, public, protected, readonly
• ?: optional

class Book {
    private index: number;
    readonly name: string;
    public desc: string;

    constructor(index: number, name: string, desc?: string) {
        this.index = index;
        this.name = name;
    }
}

• Array

const numbers: number[] = [1, 2, 3];

• Return type

const print = (num: number): string => `${num}`;