Change scss variables dynamically angular

Change scss variables dynamically angular

Notice that we have defined styles for each element by using CSS variables, which can now be used throughout the application. h1 {. I have tried to use CSS3 and Media Queries but it makes my Component to tightly coupled to certain sizing precondition and makes my angular component not general-purpose. 9 Dynamically change a variable based on class name. Yes you can set variables in root scope: --main-color: red. Check out here How to Customize Ionic 4 Toast using CSS Custom Properties given here. Global variables in CSS will enable us to define theme variables such that multiple components can use the same. Can anyone help how to do this? Jun 22, 2020 · SCSS is a compiler from SCSS to CSS. Nov 15, 2018 · In the global style. styles. Sep 15, 2020 · Starting an Angular CLI Project with Sass. First, we need to define the SCSS variables that we want to modify dynamically. You can just create further scss files at the level where the styles. css files. yourVariable] in HTML and this variable can be referenced in scss using var(--yourVariable). css file, define custom properties in a :root selector. For example, to declare a variable called primary-color, we can use the following syntax: 1. I'm trying to dynamically change the a div when a button is clicked. 2. Jan 16, 2020 · 1. _ltr. scss using @import directive. All Kendo UI themes rely on common style rules and thus share the same set of variables. Oct 16, 2020 · The SCSS solution by @AmarSyla will require the same amount of work and the CSS variables solution would be the leanest, but I can see where one might not want ALL instances of --background-color to switch. The whole point of setting up a variable is to be able to modify the variable and have the changes reflected in multiple places. com Jun 4, 2024 · > In this quick guide, we will learn how to modify theme for Angular Material 18 with CSS variables. Basically a 16. Jan 9, 2023 · Css variables are a very powerful tool for creating highly customizable, scalable, and maintainable components in Angular or any other JavaScript framework. This simple update will ensure Aug 28, 2022 · According to the article: "styles. scss with your stuff. set('dynamic', '#333') ); When the user picks a new Using CSS. js" file. Is it possible? – Jun 18, 2021 · In which case I would suggest creating a SASS map of all possible colours, and then add a class for each colour in the map. my Oct 31, 2023 · Dynamic Theme Update: Implement a service or utility function that fetches the theme color from the backend API. For example, if you're overriding these two variables from Bootstrap’s default configuration: Oct 25, 2019 · Everything is encapsulated inside the component, and styles specified in the angular. json file are built into the "deployable. dev. --background: var(--charcoal, #36454f); Jan 6, 2024 · You can also use CSS variables within specific Angular components to override or extend the global theme. Angular dynamic forms Sep 7, 2020 · You should see the bar in Figure 1. I dont want to hardcode the colour code instead read from the scss file i. css files, it will take a bit more work to convert it over. scss: @import '~@angular/material/theming'; // Plus imports for other components in your app. this is how my theme. --primary-color: #fff; --background-color: #e5e5e5; --text-color: #2d2d2d; To define a CSS custom property,prefix the property Oct 8, 2017 · this is working for Angular 17, and will probably change in the next release to another nonsensical solution as usual with Angular Material : @use '@angular/material' as mat; // for some reason you must access your theme file from the directory // where your component is. Aug 30, 2015 · I came across the need to reference a colour dynamically recently. ts) into style files ( . scss file like this. ( this. getElementsByTagName('head')[0]; console. Let’s Sep 12, 2018 · Your question was about setting the color with a CSS variable. For example: client-a-styles. scss (i. Dec 25, 2017 · I have the following code in my app styles. scss file into the newly created styles folder. Angular components styles have a useful CSS encapsulation mechanism that ensures any component CSS is local to the component and does not globally alter any styles. app. Method 1. scss file that contains all variables bundled in one file for easy accessibility. sass/. We include this here so that you only. In this web development tutorial, we will modify this existing Angular app to read in color variables from a Less file and assign the compiled CSS attribute values to some class variables. Solution : create a new component and create a service to load dynamic css variables from API. After the variables are declared, you can use the variables I see two options here: Compile 2 css files and switch between them: link all sass files to variables-1, compile CSS file, then link all sass files to variables-2, compile second css file. px]. SCSS is compiled to CSS during compile time, and SCSS variables are replaced with resolved value during compile time. scss”; Dec 27, 2016 · In Angular 2 / Ionic 2 an easy way to change the color of objects is using the theme/variables. So, there's a bit of an issue with trying to dynamically update your Sass mixin - sass is something that is precompiled before browser rendering. Aug 12, 2021 · 1. Angular sets the property to the value of the bound expression, which is usually a string. storage. For ex: I have written a "overlay" class. In this section, we will go through the steps to achieve this. We cover how to create variables with and without values, how to use them, change their values and set default fallback values. scss file. scss file I wanted to setup button styles for each colour available. --dynamic-colour: #5260ff. Nov 27, 2023 · By following the step-by-step guide provided in this article, you can easily make the transition and enhance your web development skills in Angular. To use the variable elsewhere in your CSS, you simply need to use the var () function wrapped around it like this: Dec 18, 2022 · scss variable in Angular 2. scss file into the styles. ts file. Share. json. To begin, you need to update the Angular configuration by running the Angular CLI command “ng config” and specifying the “styleext” option as “scss. Jan 31, 2021 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Dec 8, 2021 · Rename your existing . So, even if you were able to pass in a dynamic variable, you would need to compile it, refresh the page (or inject it if you're running Gulp locally) and only then would you see a style update Jan 13, 2022 · Accessing bootstrap scss variables in angular 2 component. scss file dynamically. ”. Apr 22, 2024 · The most common place to define these variables is on the :root element: :root {. In this example, we will demonstrate Jun 27, 2020 · To get the CLI to generate . --width: 490px; If you need to set multiple values - you can use Sass nesting to make it a little easier to type. But for the dynamic theme change, I have a simple fetch of the variable from localstorage: Oct 21, 2019 · in my angular component I have the need to dynamically change the border-color of the:hover pseudo class of one item. css. You cannot update a SCSS variable from an Angular variable. options: Feb 24, 2017 · Exploring Angular’s New @let Syntax: Enhancing Template Variable Declarations Angular’s evolution continues with exciting new features, including the recently merged @let syntax, which isn't released yet but just got… In this Sass/SCSS tutorial we learn about temporary data storage containers called variables. It will fail if you try to access it // from the root of the project. json of your app's build. Jan 21, 2020 · 1. When normal user logs in he/she should see normal design. less) is an easy matter. In my _forms. On drag a file over i have different color and on dragleave different color. That is why such variables are set to null in that theme and Jun 16, 2023 · In SCSS, variables are declared using the $ symbol followed by the variable name. When the colour is set on the front end, change the class at the top level, which would then update the colours throughout the page. 5 min read Nov 25, 2018 · i updated my reply with how to use inline set. Give that class to any component you want to change, like <ion-item> or <ion-toolbar> or <button>. The color is found in an object variable in the component but I can't figure out how to target the hover specifically. styles in angular. Mar 22, 2022 · Angular: How dynamcally change scss variables? 3 Angular 9 / Material - Reuse of material theme variables in angular components style Sep 5, 2017 · Requirement : generate dynamic css based on values returned from and API to change design and styling. Examples are simplified and Jul 14, 2017 · Initially set it to a color you want, let's say . side-navigation class also contains the . // It's highly recommended to change the default colors // to match your app's branding. Update your angular. Other answers give alternatives to avoid setting the color with a CSS variable. This class being used in a div which is getting cerated inside a loop. css (or it could be similar to /api/theme/custom-css) which will generate css out of database. To change SCSS variables dynamically, we need to use JavaScript to modify the values of the variables and then recompile the SCSS to CSS. json file to point to the new location of your styles Dec 10, 2018 · Angular change scss object variables. You can create a class flag like rtl , ltr and import the selected theme (scss file) in the body of the class that mean when the class present the specific theme will apply. scss is in your project. Load this template on all pages or on main template. ## Creating Project with Angular Material 18 ```bash npm i -g @angular/cli ng new angular-material-theming-css-vars --style scss --skip-tests --defaults cd angular-material-theming-css-vars ng add @angular/material ``` And select answers as below: ```bash ? Aug 1, 2019 · Dynamically change theme of Angular Material. You won't be able to use environment files ( . display: block; border: 1px solid black; You can also use, :host-context to target any ancestor of the component. Save this color as a string in somewhere, like a localStorage, NativeStorage, etc. My thinking was that I will create the theme as explained in the Angular material docs, and instead of using static colors, I will use my SCSS variables. JavaScript runs client-side (in the web browser), while Sass is generated server-side, so you have to find some way to bridge that gap. scss, there is no other clean way, but to reference them in that component. Instead of using one single color for primary color, Angular Material asks for a color palette for primary color when we customize theme. CSS variables are included in the CSS output. Reload it by js when admin change any settings. // Include the common styles for Angular Material. Unfortunately, Sass/Scss files need to get compiled into Css files, in order to be supported in your web-browser. However, some variables may not need to have a specific value in a particular theme. // Be sure that you only ever include this mixin once! May 8, 2017 · then change width of element to calculated value. SCSS is compiled to CSS during compile time, and SCSS variables are replaced with resolved value during compile time, which means there is no way to change the variable during run time. local. active { ::ng-deep md-list-item { background-color: #eee; } } Aug 2, 2022 · SCSS variables are static (compile time) to do what you want you need to use CSSVariables that are dynamic (run time) - something like this. Import the following: Copy. scss files (or . Now, I want to change structure of the web app. has been used), with the given value. With css . Apr 10, 2016 · I find it a lot cleaner to pass an @INPUT variable if you have access to the child component code: The idea is that the parent tells the child what its state of appearance should be, and the child decides how to display the state. Feb 6, 2023 · The new Angular Material 15 has some "breaking" changes in regards of the colors and spacing. scss ). I define in my styles. scss: @import “~variables. tests. Considering the variable is designed to change, it makes no sense to give it different values in different scenarios (such as media Dec 23, 2020 · Navigating the New Era of Angular: Zoneless Change Detection Unveiled CSS variables in Angular: Part 1. Hence, to reuse a variable and assign a different value on run-time is impossible for Nov 26, 2023 · You can achieve this by updating the variable in your Angular component or by using Angular services to dynamically set the language. Question. Meaning, it changes in the html, but not visually. message: 'Ionic 4 Auto Hide Toast on Bottom', showCloseButton: true, position: 'middle', closeButtonText: 'Yeah', animated:true, cssClass:"my-custom-class". 4. CSS variables can have different values for different elements, but Sass variables only have one value at a time. For instance, create a custom-component. Import scss variable into Angular component. Even if you are importing SCSS file in your main. Point the components to find your new style files Change the styleUrls in your components to match your new file names. There will be multiple divs using this overlay class. Mar 13, 2019 · So if you need some sass variables, mixins or functions to be used by a particular component. background: #4285f4; color:#fff; text-align: left; } _rtl. However css variables just sits there and you can easily change them, for instance: :root{. First step: create a template style that will take a parameter with a set of variables. 3. CSS variables in Angular: Part 1. Switch between them on a button click. styleUrls: [filename]). Therefore I need to overwrite the default values of the CSS variables. When the route changes (i. What you can do is store the primary image url into one variable in the component and then bind it via [src]="". Converting a Current App to Sass: If you’ve already created your Angular CLI app with the default . import { Component, OnInit, ViewChild, ElementRef, AfterViewInit, Input } from '@angular/core'; Add the Inputs since we want to make this component reusable. It would be Jan 20, 2022 · i've shown how to dynamically change the CSS or scss from typescript in angular Jun 14, 2018 · CSS Variables In Angular. What you can do alternately is to create CSS custom properties (very similar to SCSS variables). The variable should be true if my navigation with the . e. Clicking the button should add its css file in Inspector > Network > CSS. scss May 5, 2021 · I have the following drag-drop directive created in Angular 11. width]="width". The var () CSS function can be used to get the value of a CSS variable, along with any number of fallback values, if desired. Generate your additional css on server request. One way to do this would be to set up some AJAX-style listening to send JavaScript events over to your server, and then have the server edit and re-compile your style. scss */:host {background-color: var(--secondary-color); color: var(--primary-color); /* Add specific component styles */} Dynamic Theming with Angular Services May 19, 2017 · I am looking for the possible solution where I can pass value to SCSS variable. I created a function my component. scss but for different clients, different project themes, or Jun 4, 2022 · Moreover, if you employ variables that dynamically set CSS values at run-time, it might make sense to compile styles within the app itself. The compiler creates normal css during build time. Since it's a js API, you can set this path dynamically via a variable. html file. Forget about SCSS variables. Using mixins. SCSS is being compiled during the build to a CSS file. In that case, you'll juggle more vars and have a similar overhead as the SCSS solutions. sass file. (in every position, the var. all I have an Angular application and I am using SCSS for styling. :root { --theme-color-1: # See full list on medium. scss file looks like. Something like this: Apr 4, 2024 · Changing SCSS Variables Dynamically. css and app/app. For example, to set the width style, type the following: [style. 2 Variable Usage: Mar 16, 2021 · Put color variables in JS and bind with ngStyle. Implement Dynamic Theme In Angular. Oct 18, 2020 · CSS variables (and SASS variables) cannot be assigned as properties, only values. If it contains the -closed class, the variable should have the value false. ts. Note: I am using angular for my project, hence i have to worry about view encapsulation as well. fancy-button {. js" file should disappear in the Inspector > Network > JS. But neither of these two is happening at the moment. Sep 3, 2021 · The plan is simple. Here you go: app/style. Jan 27, 2013 · 5. Let's take a look at a simple component with some CSS styles. Normally, when we run ng new my-app, our app will have . // Named Color Variables // ----- // Named colors makes it easy to reuse colors on various components. CSS variables are declarative, which means if you change Forgive me, I'm new to Angular. To get the CLI to generate . const head = this. In your CSS or SCSS, declare custom properties block like: Sep 9, 2020 · In general, includePaths extends the range of folders from which scss modules can be imported in order to be compiled correctly. ts Apr 18, 2018 · 36. Variables are a way to store information that you can re-use later. ts file, using Angular solutions &lt;div [class. Next set up the TypeScript file: average-meter. To create a single style binding, use the prefix style followed by a dot and the name of the CSS style. Hot Network Questions Simplify one-time switch made using a flip flop Sep 1, 2016 · 2. Make changes from ts file and it will reflect in scss like the below given code: Dynamically set scss variables angular ionic. Jul 31, 2020 · Create a folder in your src project folder called styles. There is no scss in a build project. These variables should be based on the global root Apr 26, 2023 · The _themes. To import it from your app you need to configure that path into the angular. When using a static file path/name there, and when using a variable, defined just outside the @component-code, the styles works perfectly. Jun 24, 2021 · Using SASS Variables with CSS3 Media queries is not much easily implemented. sass / . Basically, if you are already using scss you can take advantage of SCSS variables which are different from css variables. Oct 28, 2022 · Scss variable is a static variable. scss (or in another scss file of your choice), use these variables with var(), like this: color: var(--color-primary-white); I leave you HERE a link to an article about CSS Custom Properties (vars) with SASS/SCSS (a practical architecture strategy) Jul 22, 2013 · 1. Usually a tedious task. dynamic-bg-color: { background-color: #333}. Jul 5, 2018 · Is there a way to add a class from the . First, create those files : imports. ts file from the . // have to load a single css file for Angular Material in your app. Since Css files don't support variables, you can only set a variables value in the Scss template, because the Sass compiler will replace the var. The only way to make it work is to sanitize the value (with a pipe or in code). Instead of modifying the source files located in node_modules\bootstrap\scss, a better approach would be to create your own . Yes you can use :host selector to target element in which the component is hosted. I use these variable at many places to keep the whole theme consistent. You can define font size, or common spacing and then import it in all places where needed. scss. In this option, colors won't be assigned dynamically, and every time when I make changes I will have to manually link Feb 2, 2020 · Angular: How dynamcally change scss variables? 8. Create a new project with Sass with the following: ng new my-sassy-app --style=scss. With Sass, you can store information in variables, like: Sass uses the $ symbol, followed by a name, to declare variables: The following example declares 4 variables named myFont, myColor, myFontSize, and myWidth. client-b-styles. I want to attach loop index to this class like overlay-1, overlay-2 etc. Dynamically set scss variables angular ionic. and it seems to work initially setting the value, but when I try to change it within a function it doesn't seem to be rendering on the screen. Manually change the file extensions in apps [0]. Note: Previously I had scss-to-json here, but since this is not maintained I updated to the fork. scss stylesheet with the variables that you might want to override. You can see each of these as a fully independent styles. Finally, import the _themes. I have tried [style. In the TS component: items = [. Share Follow Apr 2, 2019 · I'm trying to make a navigation menu with toggable width value in Angular. log(head); Mar 25, 2021 · Use these CSS variables for styling your elements. In my assets folder, I have a variables. answered Jan 21, 2020 at 11:02. js, it is working due to Webpack/Rollup bundler are invoking SCSS compiler at build-time. It is possible only if SASS grabs all the properties of queries into the style-sheet containing the SASS variable and then changes them accordingly. 1 Popularity 10/10 Helpfulness 4/10 Jun 27, 2019 · Let's assume your library exposes a _library. Pass dynamic values to SCSS File inAngular 6. Hot Network Questions Inductance after core saturation Jul 5, 2021 · Now for the problem: In app. However, what you can do is the same thing the environment is doing, to replace your files at build time. --app-main-color: #000; --app-main-font-size: 14px; } After adding variables at this level, you can use them everywhere inside your application. 1. Oct 22, 2018 · To use the variable of ts file in scss, you can use [style. width: var(--width, 590px); /* default */. scss file in which I want to provide a global variable based on conditions. Just Add Custom CSS class. SCSS Theme Variables: Define additional SCSS variables for each theme the application supports. Sass variables are imperative, which means if you use a variable and then change its value, the earlier use will stay the same. It's a nice architecture . And fill them with the corresponding imports. scss file: /* custom-component. . May 7, 2016 · How can I write a css class inside . Nov 20, 2021 · I have to change this variable dynamically. Modified 5 years, 6 months ago. Upon receiving the color information, dynamically update the global SCSS variable. 0. Jul 15, 2020 · All the SCSS variables don’t exist after compiling to CSS, because they are only native to SCSS, not to CSS. width. Second step: create a bunch of files with variables that will define our theme. SCSS Way:. css files to . A simple example of this process: Install npm i --save-dev @crocsx/scss-to-json. On the other hand, CSS variables are very flexible. Step 1: Define SCSS Variables. Is it possible to change it at runtime? This link appears to be the closest example: Generate dynamic css based on variables angular, but still doesn't quite solve the problem at the root index. I am pretty much aware since SCSS is a pre-processor and it's nearly impossible. extra-sparkle]="isDelightful == true"&gt; I want to do the above but from the side of the . In the below example, the --background property will be set to the value of the --charcoal variable, if defined, and if not it will use #36454f. When defining the routes, you can add extra data, for example a class name. changeColor(newColor) { } Dynamically set scss variables angular ionic. e for eg: colours. Each variable in Kendo UI Themes include !default flag which allows you to override the default variable value. Jul 26, 2020 · In my angular project, I have some css variables defined in top level styles. There is a variables. scss file for every project, where I define all my colours once and reference them as variables throughout. container {. But there has to be some solution where we can easily access the variable and change or retrieve it's value. ts, the style sheet is defined, in standard form (i. Move your styles. imports. The :host-context () selector looks for a CSS class in any ancestor of the component Jun 3, 2018 · The Angular CLI supports Sass, CSS and Less to style global application styles as well as component styles. . Load it when app is started from server URL. Here is an example of how I am doing it (I am using gulp and gulp-sass, but it works the same way with webpack. It can be done in two ways: Using the Post-CSS variables. After updating the scss file , for exemple changing values of declared variable , i don't see any change in the pages where i used the scss. css) Point the CLI to find styles. width] and [style. via navigation), the data from the active route can be used to set the class on the body tag. I want to modify content of scss file in already builded angular project. Is there any way to achieve this with scss variables so that i can define global variables and change the value based on class . To ease the task, you can create a file src/_variables. Sep 19, 2018 · The way I would do it is based on the routes. Ask Question Asked 5 years, 6 months ago. Optionally, you can add a unit extension like em or %, which requires a Nov 4, 2016 · One possibility is to generate a . Aug 19, 2018 · 3. scss file to apply the themes to Aug 22, 2019 · First of all, we need to create the various entry point CSS files of course. scss file serves as a centralized location for the styles of the entire application. Define backend endpoint at address /additional. Apr 24, 2021 · sass import variable from another file; change css to scss angular; import global variables scss angular Comment . We also discuss local and global variable scope and shadowing, as well as the difference between Sass variables and CSS Apr 10, 2016 · I used to have the same need to dynamically inject urls to stylesheets and eventually ended to initialize a component for each variable css (in my case 3 differents styles) with empty template and use them in my app component with ngIf condition. { id: 0, color: "#ff4400" }, { id: 1, color: "#faa73d" }, ]; In the SCSS file: Oct 29, 2018 · Everything works great except that css-variables are not supported till IE -11 as mentioned Here. document. Add style tag in template file and use variable values for properties. -open class. Feb 3, 2022 · I have an I have a _overrides. component. I have a _colours. Apr 27, 2022 · 1. How To Change SCSS Variable in Angular. scss file which contains SCSS variables which are being used within all other scss files. NOTE: you can still use SASS: even though you cannot use SASS variables with the values of CSS variables, you are able to write CSS variables in SASS instead of using SASS variables! Do additional dynamic color management in JS and overwrite the css variables by using your technique. Jan 22, 2020 · The only other way to change styles through JS/TS is by adding classes/attributes or css in js . scss and use syntax like this in your component. The les Dec 25, 2021 · Then, in your styles. oo mm an ip zq ea ov ny yu ls