How do we use sed to replace specific line with a string variable? Please note that it's a good idea to put your pet pictures inside a subdirectory, instead of lobbing it in with all your other image assets. When it comes to dynamic content, including Vue’s v-bind directive, Webpack does not know what the expressions at runtime will evaluate to. Why don't self-closing script elements work? How do I give text or an image a transparent background using CSS? How to do a simple calculation on VASP code? Where to repeat in this Jingle Bells score? This also includes the handling of static assets, like in our initial component example. A working image with srcset definition. Like so: ./assets/pets/. You can also use our online editor to edit and run the code online. Because of them, single file components and all their amazing features, like supporting CSS pre-processors, custom blocks and state-preserving hot reloading, work out of the box. You can then switch between images using a boolean variable & ternary expression. It will then bind this image to the HTML image tag. Sometimes we need to change the image url dynamically in vue.js. You example even works without this function, see here: In my case, pics is being populated asynchronously using Vuex store, may be that has something to do about it, I tried to simulate it, but did not work: The Overflow #45: What we call CI/CD is actually only CI. The whole problem with variable inside require statement is that require statement is executed during bundling and variable inside that statement appears only during app execution in browser. And today we’ll be dealing with dynamic images. With require to the rescue, we can now load image with a dynamic src attribute as well.

The whole vue app get compiled by webpack into a single script (and images are also renamed normally, using a hash of the contents). In our example, we want to use two dog pictures with different widths. PS: Make sure you check other Vue.js tutorials, e.g. That happens because webpack cannot guess which of the images will actually be used at runtime, so it includes them all to prevent errors. © 2020 Crediting is required. Nowadays, responsive images are a must-have on your website. Vue.js is good at both. After being processed, our initial image tag example will be compiled to a render function that will look similar to this code: The image path has now been replaced with a Webpack module request. I have a case where in my Vue.js with webpack web app, I need to display dynamic images. A common attempt to load a dynamic image source in Vue or Nuxt is to utilize Vue’s binding system. You can build static websites, MVPs and prototypes with single page applications (SPAs). But it is not optimal and I really would not recommend that workaround. Does "a point you choose" include any movable surface?

What if we want to swap out the image for Marvin when he grew up a little? Let’s dig a bit deeper and find the root cause instead of going for the “quick fix” which will consume more time on the long run. like this: There is another way of doing it by adding your image files to public folder instead of assets and access those as static images. I want to show img where file name of images are stored in a variable.

But not sure why my earlier approach did not work. If you want some further reading, I suggest checking out the vue-loader docs and the Webpack documentation. I hope you’ve learned a thing or two, about dynamic images but also about the process behind static asset processing.

Thanks for contributing an answer to Stack Overflow! There we go! Here is a shorthand that webpack will use so you don't have to use require.context. dynamic require didn't work for me too in the latest Vue2. Stack Overflow for Teams is a private, secure spot for you and I mean, we all love puppies, don’t we? Sometimes you deal with more complex cases such as building large applications, working with APIs and authentication.

Here's an example with real images which seems to work fine: Not sure why, I got it working by the code I have written in another answer. The less strict you are, the more files will match and will be included in the bundle by webpack, leading to a larger bundle size.

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Using require.context, you force the files to be seen by webpack and resolve to the resulting image. I have a case where in my Vue.js with webpack web app, I need to display dynamic images.

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It contains the following image tag: It means that the asset path hasn’t been replaced.

The example below shows how to get a dynamic image from the third-party service when you click on the Get a dynamic image button. Is the nucleus smaller than the electron?

As we need a couple of images now, a computed property is the best way to build your final srcset string step by step. That variable is a computed property which is returning a Vuex store variable, which is being populated asynchronously on beforeMount. How can I merge properties of two JavaScript objects dynamically? a different format like webp and jpg).

No optimizations, added content hashes and so on. If we take a closer look at the compiled code of our simple image tag with the static source attribute, we can find out what we need to solve the issue. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. How many times do you roll damage for Scorching Ray?

hello, I have tried this but failed, then I found another solution that using template literals. But it all comes down to the same technique I presented your here.

If you want to skip the internals and explanations, you can also go directly to the solution and the CodeSandbox. Think about the user profile picture that is fetched from the backend server with an API get request.

Sometimes you deal with more complex cases such as building large applications, working with APIs and authentication. All single file components (with the .vue extension) are processed by Webpack and the vue-loader.

redirect to login page in Vue.js. Image comes as part of information from database via Vuex and is mapped to component as a computed, So once this information is available I swap initial image to the real one, You can use try catch block to help with not found images. How can I get readers to like a character they’ve never met?

You likely know that pattern. Great solution. Content in the public or static folder, is directly mapped to the root of your web applications (usually /) and not processed by Webpack. We can now extract that nasty part into an own computed property for better readability. :src to the rescue!”, Let’s add that line quickly and see what happens when we push the button mapped to Riley….

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what is monotonicity and strict monotonicity in preferences? However it works perfectly when I just do: My case is similar to this fiddle, but here it works with img URL, but in mine with actual file paths, it does not work.

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