typescript

[Solved] Angular 5 -> Inputfield from Arrayentry

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Okay, reviewing your HTML-template I’d suggest the following solution: extend your nagelpaletten-model by adding the field bestellmenge or just menge. e.g. export class nagelpaletten { constructor( bestellmenge: number, PKArtikelID: string, laenge: number, Gewicht: number, ME: number, Preis: number ) {} } Maybe your model is structured a little differently but mine is just supposed to … Read more

[Solved] How to group and add their value in array of objects in javascript?

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Use Array reduce() var result = res.reduce((accu, obj) => { accu[obj.url] = (accu[obj.url] || 0) + obj.views; return accu; }, {} ); Output from node CLI: > var result = res.reduce((accu, obj) => { accu[obj.url] = (accu[obj.url] || 0) + obj.views; return accu; }, {}); undefined > result { ‘/page1’: 16, ‘/page2’: 5, ‘/page3’: 29 … Read more

[Solved] Merging Object In Array In JavaScript if Conditions Are Met [closed]

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Here is the steps which you need to follow. Create a new array for merged objects Iterate the array Find the item which you’re looking for merge with the existing object to the filtered object append to new object done. let json = [{“id”:191,”warehouse_id”:24,”ingredient_id”:65,”expiration_date”:”2019-07-31″,”available_stocks”:7,”ingredient”:{“id”:65,”name”:”erg”,”SKU”:”1000064″,”default_unit”:{“id”:26,”name”:”Milliliter”},”purchase_price”:50}},{“id”:192,”warehouse_id”:24,”ingredient_id”:66,”expiration_date”:”2019-09-18″,”available_stocks”:33994,”ingredient”:{“id”:66,”name”:”gvf”,”SKU”:”1000065″,”default_unit”:{“id”:27,”name”:”Gram”},”purchase_price”:60}},{“id”:193,”warehouse_id”:24,”ingredient_id”:67,”expiration_date”:”2019-09-19″,”available_stocks”:43996,”ingredient”:{“id”:67,”name”:”fwefe”,”SKU”:”1000066″,”default_unit”:{“id”:26,”name”:”Milliliter”},”purchase_price”:70}},{“id”:52,”outlet_item_id”:null,”warehouse_item_id”:191,”ingredient_id”:65,”quantity”:7,”total_in_lowest”:0,”stock_on_hand”:0,”adjustment_price”:0,”soh_total_in_lowest”:0,”unit_price”:50,”difference”:0,”difference_in_lowest”:0}]; // new array after merging the objects let desiredArray = []; … Read more

[Solved] How to push a string in typescript file? [closed]

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The Channel class is only being used for type checking as far as I can tell. Channel.ts export class Channel { name: string; } Items.ts import { Channel } from ‘./Channel’; const items: Channel[] = []; // initialize to empty array const test: string[] = [“one”, “two”, “three”]; // because ‘test’ is an array of … Read more

[Solved] How to include Jison into Angular?

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Install to your projects package.json npm install jison -s In your tsconfig.app.json include ‘node’ in your types array within compilerOptions “compilerOptions”: { “types”: [ “node” ] } Then import it in any TypeScript file. import * as jison from ‘jison’; 3 solved How to include Jison into Angular?

[Solved] Issue with showing a custom context menu

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The problem has to do with the way that the name this is resolved. At the moment, when your onContextMenu method is called, this is not resolved to your AppContextMenuComponent class (as you might expect). To see this in action, try inserting console.log(this) somewhere within that method. Since this is not resolved as you might … Read more

[Solved] How to create custom type in angular [closed]

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It depends on what you mean by type exactly. If you want to define a “type” that you can use in TypeScript strong typing, then you have several choices. You can build an interface like this: export interface Product { productId: number; productName: string; productCode: string; releaseDate: string; price: number; description: string; starRating: number; imageUrl: … Read more

[Solved] TypeScript: Why Object.fromEntries does not accept array of tuple? [duplicate]

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You likely want to use .map here instead of .forEach: const [itemsWithSelection, setItemsWithSelection] = useState<{ [formFieldId: string]: number }>(itemsWithSelection2) if (!itemsWithSelection2) { let aa = Object.keys(invoiceItems).map((key) => [key, 1] ) setItemsWithSelection(Object.fromEntries(aa)) } The first produces a new array based on the contents of the callback (or what is often called “closure” in Swift); while the … Read more

[Solved] Function that takes an input between 0 and 5 and outputs an array of 5 elements that will be used for generating 5 stars in the UI [closed]

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Function that takes an input between 0 and 5 and outputs an array of 5 elements that will be used for generating 5 stars in the UI [closed] solved Function that takes an input between 0 and 5 and outputs an array of 5 elements that will be used for generating 5 stars in the … Read more

[Solved] operator ‘===’ cannot be applied to types ‘false’ and ‘true’

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Typescript is basically throwing an error there because it’s bad code. true will never ever equal false. Typescript knows this, and tells you to fix your code. Since these are constant values, they’re considered to be of the types true and false. The error message might be slightly confusing, but it’s correct, while giving a … Read more