Typescript - Revision history

Lsokolowski1 at 07:14, 7 November 2025

2025-11-07T07:14:12Z

← Older revision		Revision as of 07:14, 7 November 2025
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	~~<slideshow style="nobleprog" headingmark="⌘" incmark="…" scaled="true" font="Trebuchet MS" >~~
	;title: Typescript Training Course		;title: Typescript Training Course
	;author: Lukasz Sokolowski		;author: Lukasz Sokolowski
	~~</slideshow>~~

2025-01-28T20:40:34Z

Example 25

← Older revision		Revision as of 20:40, 28 January 2025
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	Call signature of an object literal type		Call signature of an object literal type
	<syntaxhighlight lang="ts">		<syntaxhighlight lang="ts">
	function ~~whoAmI~~<U>(param: U): U {		function whoAmIone<U>(param: U): U {
	return param;		return param;
	}		}

	let amIme: {<U>(arg: U): U} = ~~whoAmI~~;		let amIme: {<U>(arg: U): U} = whoAmIone;
	</syntaxhighlight>		</syntaxhighlight>

2025-01-28T20:38:32Z

Example 25

← Older revision		Revision as of 20:38, 28 January 2025
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	}		}

	function ~~whoAmI~~<B>(param: B): B {		function whoAmInext<B>(param: B): B {
	return param;		return param;
	}		}

	let ~~amIme~~: GenericWhoAmIFn = ~~whoAmI~~;		let amImeNext: GenericWhoAmIFn = whoAmInext;
	console.log( ~~amIme~~("Of course not, you're in the Matrix, Mate..") );		console.log( amImeNext("Of course not, you're in the Matrix, Mate..") );
	</syntaxhighlight>		</syntaxhighlight>

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	<syntaxhighlight lang="ts">		<syntaxhighlight lang="ts">
	class GenericInvoice<C> {		class GenericInvoice<C> {
	invoiceOwner: C;		invoiceOwner?: C;
	send: (invID: C, invType: C) => C;		send?: (invID: C, invType: C) => C;
	}		}

2025-01-28T19:59:43Z

Exercise 19

← Older revision		Revision as of 19:59, 28 January 2025
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	class WarehouseLocation {		class WarehouseLocation {
	private _stockItem;		// private _stockItem: StockItem \| undefined;
			private _stockItem!: StockItem;

	constructor(public aisle: number, public slot: string) {		constructor(public aisle: number, public slot: string) {
	}		}

	get stockItem() {		// get stockItem(): StockItem \| undefined {
			get stockItem() {
	return this._stockItem;		return this._stockItem;
	}		}

2025-01-28T19:56:02Z

Exercise 19

← Older revision		Revision as of 19:56, 28 January 2025
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	}		}

	~~var~~ figure = { asin: 'B001TEQ2PI', description: 'Figure' };		let figure = { asin: 'B001TEQ2PI', description: 'Figure' };

	~~var~~ warehouseSlot = new WarehouseLocation(15, 'A6');		let warehouseSlot = new WarehouseLocation(15, 'A6');

	warehouseSlot.stockItem = figure;		warehouseSlot.stockItem = figure;

2025-01-28T19:55:02Z

Example 19

← Older revision		Revision as of 19:55, 28 January 2025
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	}		}

	~~var~~ consultancyInv = { id: 'INV_20_12072015', clientId: 234 };		let consultancyInv = { id: 'INV_20_12072015', clientId: 234 };

	~~var~~ accToolInstance = new FranchiseeAccountancyTool('cnaj837tjdhsu#jd9_fd8', '201');		let accToolInstance = new FranchiseeAccountancyTool('cnaj837tjdhsu#jd9_fd8', '201');

	accToolInstance.invoice = consultancyInv;		accToolInstance.invoice = consultancyInv;

2025-01-28T19:50:59Z

Exercise 18

← Older revision		Revision as of 19:50, 28 January 2025
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	// Creating a new instance		// Creating a new instance
	~~var~~ playlist = new Playlist('My Playlist');		let playlist = new Playlist('My Playlist');

	// Accessing a public instance property		// Accessing a public instance property
	~~var~~ namePlaylist = playlist.name;		let namePlaylist = playlist.name;

	// Calling a public instance method		// Calling a public instance method
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	// Accessing a public static property		// Accessing a public static property
	~~var~~ maxSongs = Playlist.maxSongCount;		let maxSongs = Playlist.maxSongCount;
	-->		-->

2025-01-28T19:50:03Z

Example 18

← Older revision		Revision as of 19:50, 28 January 2025
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	// Creating a new instance		// Creating a new instance
	~~var~~ coursesCart = new CartWithTrainings('Cart1');		let coursesCart = new CartWithTrainings('Cart1');

	// Accessing a public instance property		// Accessing a public instance property
	~~var~~ nameCart = coursesCart.cartId;		let nameCart = coursesCart.cartId;

	// Calling a public instance method		// Calling a public instance method
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	// Accessing a public static property		// Accessing a public static property
	~~var~~ maxTrainings = CartWithTrainings.maxTraining;		let maxTrainings = CartWithTrainings.maxTraining;
	</syntaxhighlight>		</syntaxhighlight>

2025-01-28T19:47:14Z

Exercise 17

← Older revision		Revision as of 19:47, 28 January 2025
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	}		}

	~~var~~ songs = [		const songs = [
	new Song('Bushbaby', 'Megaphone'),		new Song('Bushbaby', 'Megaphone'),
	new Song('Delays', 'One More Lie In'),		new Song('Delays', 'One More Lie In'),
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	];		];

	~~var~~ jukebox = new Jukebox(songs);		let jukebox = new Jukebox(songs);

	jukebox.play();		jukebox.play();

2025-01-28T19:46:44Z

Example 17

← Older revision		Revision as of 19:46, 28 January 2025
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	}		}

	~~var~~ trainings = [		const trainings = [
	new Training('Drupal', 'Drupal 8 for Developers', 2),		new Training('Drupal', 'Drupal 8 for Developers', 2),
	new Training('Angular', 'Angular 2 Fundamentals', 3),		new Training('Angular', 'Angular 2 Fundamentals', 3),
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	];		];

	~~var~~ choice = new BuyTraining(trainings);		let choice = new BuyTraining(trainings);

	choice.buy();		choice.buy();