prashaantt

// abstract: don't allow direct instantiation
abstract class BaseTable<T> {
    // model holds the schema
    protected model: T;
    
    // convert kebab_case to camelCase
    private camelCase(key: string) {
        return key.replace(/_(\w)/g, function (...captures: string[]) {
            return captures[1].toUpperCase();
        });

prashaantt

const Fs = require('fs');
const Path = require('path');

const files = [];
const nodeModules = {};

const getFilesAndSubdirectories = (dir) => {

    Fs.readdirSync(dir)
        .forEach((item) => {

prashaantt

interface MyComponentProps {
  name: string;
  countryCode?: string;
  userStore: UserStore; // made required
  router: InjectedRouter; // made required
}

...

class OtherComponent extends React.Component<{}, {}> {

prashaantt

import * as React from "react";

interface MyComponentProps {
  name: string;
  countryCode?: string;
}

class MyComponent extends React.Component<MyComponentProps, {}> {
  render() {
    const { name, countryCode } = this.props;

prashaantt

import * as React from "react";
import { inject, observer } from "mobx-react";
import { withRouter, InjectedRouter } from "react-router";

import { UserStore } from "../../stores/UserStore";

interface MyComponentProps {
  name: string;
  countryCode?: string;
  userStore?: UserStore;

prashaantt

interface InjectedProps extends MyComponentProps {
  params: RouterParams;
}

interface RouterParams {
  name: string;
  id: number; // nope
}

prashaantt

let s1: string;
s1 = "some string";
s1 = undefined; // Type 'undefined' is not assignable to type 'string'
s1 = null; // Type 'null' is not assignable to type 'string'

let s2: string | undefined;
s2 = "another string";
s2 = undefined;
s2 = null;  // Type 'null' is not assignable to type 'string | undefined'

prashaantt

let s: string;
s = "some string";
s = null;
s = undefined;

prashaantt

@inject("userStore")
@withRouter
@observer
class MyComponent extends React.Component<MyComponentProps, {}> {
  get injected() {
    return this.props as InjectedProps;
  }

  render() {
    const { name, countryCode } = this.props;

prashaantt

interface MyComponentProps {
  name: string;
  countryCode?: string;
}

interface InjectedProps extends MyComponentProps {
  userStore: UserStore;
  router: InjectedRouter;
}