test sanctuary

index.ts

import {create, env, Maybe} from 'sanctuary';

const S = create({
    checkTypes: true,
    env
});
// PART - I

// const first_arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
// const first_elem = S.head(first_arr);
// console.log(first_elem);

// PART - II

class Job {
    name: string;
    constructor(name: string) {
        this.name = name;
    }
}

interface User {
    name: string,
    age: number,
    job:Job
}

const users = [
    {
        name: "Bob",
        age: 18,
        job: new Job("Javascript Autist")
    },
    {
        name: "Boulou",
        age: 14,
        job: new Job("Javascript Fanatic")
    },
    {
        name: "Chris",
        age: 22,
        job: new Job("Real Developper")
    }
];

const getJob = (user: User) => user.job;
const getJobName = (job: Job) => job.name;

const all_job = S.map(getJob)(users);
const all_job_name = S.map(getJobName)(all_job);

console.log(all_job_name);

package.json

{
  "name": "sancturary",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "dev": "nodemon -e ts --exec \"npm start\"",
    "start": "tsc && node index.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "sanctuary": "^0.15.0",
    "typescript": "^2.9.2"
  },
  "devDependencies": {
    "@types/sanctuary": "^0.14.2",
    "nodemon": "^1.17.5",
    "ts-node": "^7.0.0"
  }
}