235. Adding new Ingredient Controls

Jul 22, 2026 00:51 · 3:39 · English · Whisper Turbo · 2 Дыбыс тақшалары

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In the last lecture we added our array.

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Now I want to clean up how it looks,

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some styling,

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but mainly I want to add a button which allows us to

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add a new ingredient to that array.

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Well,

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to work on the styling,

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all I really want to do is I want to have some spacing between the rows.

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Well, there are a couple of ways of getting this style.

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What I will simply do is I will add an inline style,

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a normal style,

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no angular style,

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no ng -style directive.

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A normal style where I say margin,

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top,

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and set this to 10 pixels maybe.

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And with that,

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it looks much better.

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So that's all I wanted to do for now.

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The more important part is that we're able to add new ingredients.

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And for this,

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I'll simply add a new button at the end of this

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array area.

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So outside of the div,

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which is responsible for my individual form groups,

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I'll add a new row with a new column inside of it.

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And here I will

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simply add a button which says add ingredient,

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which will be

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of type or which will get a class of button,

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button success maybe.

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So now it sits directly at the bottom.

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Maybe let's simply add a horizontal line between rows.

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And that looks pretty good.

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So now we get this button.

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Let's now also hook it up.

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I will add a click listener on add ingredient.

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And here in this method,

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which I'll add to the TypeScript file,

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I want to add a new control to this array of form

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controls.

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Now I can simply do this by accessing

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my recipe form.

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There I can get my ingredients control

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and I know that this will be a form array but Angular

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or TypeScript to be precise doesn't know this.

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So I will explicitly cast it with this cast.

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command here basically by enclosing the type I want to convert it to

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between smaller than and greater than signs and

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then enclosing this all in parentheses and now the part here between

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the parentheses is treated like a form array because I know that

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it indeed is one so here I can call push and

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I want to push

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new form group because remember we don't push a control here we

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need two inputs so a group of inputs and there again I

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will have a name which is a new form control and I will have

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an amount which will be a new form control and

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we don't need to provide any initial values because I don't want to have any so

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if I save this and we go back to the application

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We should indeed see that once this reloads here,

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if I click add ingredient,

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we add a new line.

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However,

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I also submit the form with each click as you can see here on the right.

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This is quickly fixed by making sure that this button receives

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the type button.

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And now it shouldn't submit the form anymore.

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So now it just adds ingredients.

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This is all working.

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This is great.

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Now before we make this form submitable or we do something up

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on submission,

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let's make sure that we add some validation to it.

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