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So you want to add React Developer Tools to your redux/typescript project? Here's how... First you will want to make sure that you have React Developer Tools installed and enabled on your (chrome) browser. Then link your project up to your store by g...
Re-use an interface's property by extracting it using normal object access notation This keeps the type in line/sync with the interface, eg if the interface property changes then the type will be updated automatically interface MyInterface { some...
Imagine you have a React component that has imported a type. In this case it is an action type for interaction with Redux. import myAction from '../actions' import MyActionPayload from '.../types' within our component where we define the const mapDis...
You can re-use an interface's property by extracting it using normal object access notation eg interface SomeInterface { usefulProperty: string | object {} } type newType = SomeInterface['usefulProperty'] // now newType is equal to string | ob...
All about working with objects in one place Here is a Javascript Object let fridge = { make: "Beko", model: "224", contents:{ vegetables: { favourite: 'lettuce', crunchy: 'carr...
A way to check and modify if necessary each property in each object in an array Imagine you have an array of objects like this myArray = [ {'name':'2', 'address':'Manchester','pet':'cat'}, {'shirt':'5', 'chair':'34', 'carpet':'youtube'}, {'plus':'1',...
How to use typings for geojson objects from turf This is a very gentle stroll through some of the types that turf has to offer for GeoJSON objects. In order to use turf you will of course need to install it in your application, you can then import it...
'For in' loops over the keys in an object. 'For of' loops over the items in an array. For example when interrogating array teamIndex to get all the playerNames use for/of let teamIndex = [ { type: "player", ...
We use typescript to define what type of data each variable in our code will hold. This brings Javascript into line with most other languages. We can use interfaces to define the types within an object, and there are some extras we can use to extend ...