stream-http | Streaming node http in the browser | Runtime Evironment library
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kandi X-RAY | stream-http Summary
Streaming node http in the browser
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QUESTION
I'm trying to add Web3 to a React project. I've initalized a new project with
...ANSWER
Answered 2021-Apr-26 at 09:19Unfortunately, most of the Web3 stack relies heavily on window, browser and external, crypto dependencies which aren't available on server-side. This isn't just an issue with Gatsby, but other SSR and static site generators (e.g. Next.js) as well.
There are a few workarounds though. See Using Client-Side Only Packages on Gatsby
Use a different library or approach
Add client-side package via CDN
Load client-side dependent components with loadable-components
Use React.lazy and Suspense on client-side only
Depending on your requirements #1 is likely not an option. I've had better success using ethers, instead of web3. But you'll likely run into similar issues with other packages at some point.
A combination of #2 and 3/4 will be the way to go.
First, remove the packages (web3) that are causing issues and load them either from gatsby-browser.js
or using react-helmet
on the page/component that's using it.
gatsby-browser.js
QUESTION
My stream setup is http source -> mongodb sink. When I send test message (JSON) from http source, getting below error in mongodb sink.
An error occurred in message handler [bean 'mongoConsumerMessageHandler'; defined in: 'org.springframework.cloud.fn.consumer.mongo.MongoDbConsumerConfiguration'; from source: 'org.springframework.core.type.StandardMethodMetadata@1b11ef33'] on message [GenericMessage [payload=byte[24], headers={amqp_receivedDeliveryMode=PERSISTENT, content-length=24, amqp_receivedExchange=http-rabbit-stream-http-source, amqp_deliveryTag=1, amqp_redelivered=false, b3=a080d23cbf78b659-65e9906748c2b-1, host=http-src-http-source-v1.dt-u2.cf.test.net, connection=close, id=7fac727a-de9a-aea95-92c574a246d1, cache-control=no-cache, sourceData=(Body:' {"hello": "world !!"} ... 15:38:39.818: [APP/PROC/WEB.0] org.springframework.data.mapping.MappingException: Couldn't find PersistentEntity for type class [B! 15:38:39.818: [APP/PROC/WEB.0] at org.springframework.data.mapping.context.MappingContext.getRequiredPersistentEntity(MappingContext.java:79) ~[spring-data-commons-2.3.7.RELEASE.jar:2.3.7.RELEASE] 15:38:39.818: [APP/PROC/WEB.0] at org.springframework.data.mongodb.core.EntityOperations$AdaptibleMappedEntity.of(EntityOperations.java:652) ~[spring-data-mongodb-3.0.7.RELEASE.jar:3.0.7.RELEASE] 15:38:39.818: [APP/PROC/WEB.0] at org.springframework.data.mongodb.core.EntityOperations$AdaptibleMappedEntity.access$100(EntityOperations.java:632) ~[spring-data-mongodb-3.0.7.RELEASE.jar:3.0.7.RELEASE] 15:38:39.818: [APP/PROC/WEB.0] at org.springframework.data.mongodb.core.EntityOperations.forEntity(EntityOperations.java:108) ~[spring-data-mongodb-3.0.7.RELEASE.jar:3.0.7.RELEASE]
...ANSWER
Answered 2021-Apr-16 at 22:26This seems to be an issue with the app. We will look into it and address it soon. In the meantime, if you want to fix it locally, try the following steps.
- Clone the repo: https://github.com/spring-cloud/stream-applications
- Change this function definition to
byteArrayTextToString|mongodbConsumer
- Add the following as a dependency here.
QUESTION
I'm building a chrome extension using typescript and webpack and started experiencing a few errors after introducing a recently release node module into my project.
The module I installed: https://github.com/gregtuc/StockSocket
The error appears in the browser when I load my extension
...ANSWER
Answered 2021-Mar-10 at 04:13The module you have chosen, StockSocket, is meant to be used in a Node.js environment and not a web browser. The errors with ‘fs’, ‘childprocess’, etc arise because StockSocket itself (of one of its dependencies) use these modules which are builtin in Node and not the browser.
Looking at the source code briefly for StockSocket, it uses puppeteer which is a node.js library for controlling a headless webbrowser. This makes StockSocket a poor fit for a browser extension. I’d have a look at the source code for StockSocket and see if you can replicate some of the behavior using browser APIs!
QUESTION
I'm trying to use node modules in my react-native app, and I'm taking the ReactNativify approach here.
I'm all set up now, and I got the crypto package to load in fine. However when I added in eth-lightwallet things have been getting weird.
Every since I added that package in, npm hasn't been installing dependancies of anything. Meaning I've had to add them in manually. And everytime I install a dependency somehow related to eth-lightwallet, that module is uninstalled. Although tedious and annoying, I'm hoping it can shed light onto my current problem.
Right now I'm running into a Can't find variable: Buffer
which is being thrown in a util folder in the standard library. I've taken a look at the code and it's accessing Buffer from a global namespace. Thing is, I'm importing Buffer into the global namespace. Here's a look at my global.js
ANSWER
Answered 2018-Mar-31 at 19:57Coming back to this to leave a solution in case anyone is stuck on this. The solution was to essentially try to shim in different packages in different times to change the load order.
We tried going back to a different version when TYPED_ARRAY_SUPPORT was being treated differently and Buffer was more dependent on it. While on the older version we tried a lot of different things and eventually gave up and backtracked by updating buffer to the most recent version and finally everything worked.
What I mean to say is we're not sure how we fixed it, but it was by randomly changing the load order until we got lucky. Not a good answer, I'm aware, but the best I can provide for this issue.
Here's what our global.js looked like at the end
QUESTION
Does anyone have experience publishing a .NET/Angular project to Netlify? I'm using the Angular Microsoft.AspNetCore.SpaTemplates template. On Netlify, I'm getting a non-zero exit code that's preventing me from publishing. Here is my output:
...ANSWER
Answered 2019-Jan-30 at 21:21Disclaimer: I work for Netlify
As we mentioned to you in your helpdesk ticket on this same topic, our deploy environment is very naked - you have to:
- specify dependencies that we can automatically install - npm/yarn deps, bower deps, gems and python packages.
- install other dependencies yourself. the 'dotnet' program will be one of this type. We don't have it in our install environment, so you need to somehow import a copy of it into the environment. Seems like you can download the entire SDK here: https://www.microsoft.com/net/download/linux and then you need to import ONLY what is necessary for your build - it will take a very long time to build your site if we have to download the entire SDK, so see what you can trim down to get 'dotnet' to run.
For the purposes of #2, you'll probably need to test things in our build environment. How to do that, and details you'll need about the build environment such as OS type so you can download the right version of the SDK are described in this article:
https://www.netlify.com/blog/2016/10/18/how-our-build-bots-build-sites/
This will take some work on your part. It will not be trivial. It is not something we can help with in more detail than that for free customers unless you come with specific questions and examples.
To address some thoughts in the comments:
- build.sh is indeed our build script
- 9:46:52 AM: /opt/build/build.sh: line 427: dotnet: command not found means that literally there is no dotnet command available to run - not that some config file is missing.
- we only try to run it once since you have set your command to use
&&
to chain several commands - one fails, the whole chain fails, and we don't need to run it two more times once the first failure occurs :)
QUESTION
I'm trying to use an external js npm library in an Angular 8 ionic 4 app and I received
...ANSWER
Answered 2019-Nov-22 at 13:21Original Answer
Angular is a Framework for client side. The runtime target is the browser. You cannot use libraries like process
there, since those are only available when running a nodejs process.
You most likely want to split your application into a client and a server side.
Solution for rss-parser
As you mentioned in your comment, the library in question is rss-parser
. As described in this issue, rss-parser
is currently not working correctly with angular when using a bundler. Most likely due to not having ES Module support.
The solution is to use the prebundled version that gets shipped with the library. To do that, add the prepackaged version to your angular.json
, into the script
array in your architects
build
section. RSSReader
is now available globally, in your window
object and can be used like this:
QUESTION
I've searched for hours and can't find an answer (lots of unanswered questions on SO, among other things).
My current code ...ANSWER
Answered 2019-May-01 at 16:03A good case of confusing documentation.
You should go with ms
, so for 30 hours you would get something like this:
QUESTION
I'm sending push notifications from FCM to an Android device, this is done by sending a POST message to FCM containing a JSON body.
If I send the same JSON body twice, the Android device will show two notifications (or three, or four, ...). But i want it to show only one.
The "collapse_key" should solve this, right? (FCM Documentation)
But where or how should it be inserted?
This SO question answers this but no example is given: Can FCM notification on Android overwrite previous one?
Current JSON body:
...ANSWER
Answered 2017-Aug-22 at 21:22Well, I kept digging and found the answer: it was not the "collapse_key", i was supposed to use the "tag" option in the notification instead.
So by using this JSON only one notification is shown:
QUESTION
PROBLEM: There are two Firebase services (Cloud Messaging and Authentication) we want to combine in our project. The goal is to set FCM token a value we already know, not the one generated by FirebaseInstanceId.getInstance().getToken()
. Thus the same token is used to get authorized both on custom server and Firebase server. Moreover multiple application instances would have been reached with one token and would have accepted the same message.
RESEARCH:
QUESTION:
- Are these services supposed to be combined?
- Is
FirebaseInstanceId.getInstance().getToken()
equal to whatFirebaseAuth.getInstance().createCustomToken(uid)
generates? - Is it safe to set an FCM token from client (message redirected to unsupposed device if hacked)?
ANSWER
Answered 2017-Jul-18 at 01:55No. The FCM service and Auth service are different and standalone -- one could be used without the other.
No. The token generated by the
getToken()
is the token that should be used to target the corresponding device for push notifications,createCustomToken()
generates a token for authentication.The FCM token is generated by calling the FirebaseInstanceId service on the client side -- it's the common usage, so yeah, I'd say it's safe.
QUESTION
My Webpack is compiling properly on my development environment, but once I deploy to Heroku, I'm receiving an error that Chart.js isn't a module-
...ANSWER
Answered 2017-Mar-29 at 16:24From the first line in your log: npm install --only=dev
it looks like you are only pulling devDependencies
. chart.js
is registered in dependencies
so using --only=dev
will not download chart.js
.
To read about the --only
switch, here is the documentation.
I would suggest that you remove the --only
flag from the npm install
if possible.
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