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Dmitry Pashkevich dpashkevich

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dpashkevich / greeter.js
Created November 21, 2018 23:00
class Greeter {
constructor(message) {
this.greeting = message;
}
greet() {
return "Hello, " + this.greeting;
}
}
@dpashkevich
dpashkevich / greeter.ts
Last active February 23, 2019 05:21
class Greeter {
greeting: string;
constructor(message: string) {
this.greeting = message;
}
greet() {
return "Hello, " + this.greeting;
}
@dpashkevich
dpashkevich / greeter-fn.js
Created November 21, 2018 23:05
function greeter(person) {
return "Hello, " + person.firstName + " " + person.lastName;
}
@dpashkevich
dpashkevich / greeter-fn-runtime-checked.js
Created November 21, 2018 23:06
function greeter(person) {
if (!person || !person.firstName || !person.lastName) {
throw new Error('invalid arguments');
}
return "Hello, " + person.firstName + " " + person.lastName;
}
// Jasmine spec:
describe("greeter", function() {
@dpashkevich
dpashkevich / greeter-fn.ts
Last active January 4, 2019 04:46
interface Person {
firstName: string;
lastName: string;
}
function greeter(person: Person): string {
return "Hello, " + person.firstName + " " + person.lastName;
}
// Jasmine spec:
@dpashkevich
dpashkevich / greeter-fn-usage.ts
Created November 21, 2018 23:08
let user = { firstName: "James", lastName: "Hetfield" };
console.log(greeter(user));
@dpashkevich
dpashkevich / camelize.d.ts
Created November 21, 2018 23:12
declare function camelize(s: string): string;
@dpashkevich
dpashkevich / npm-install-types.sh
Created November 21, 2018 23:13
npm install --save-dev @types/jasmine