webwork | Execute Web Workers without external files | Architecture library

 by   kolodny JavaScript Version: Current License: MIT

kandi X-RAY | webwork Summary

kandi X-RAY | webwork Summary

webwork is a JavaScript library typically used in Architecture applications. webwork has no bugs, it has a Permissive License and it has low support. However webwork has 4 vulnerabilities. You can install using 'npm i @kolodny/webwork' or download it from GitHub, npm.

Execute Web Workers without external files
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              webwork has a low active ecosystem.
              It has 231 star(s) with 10 fork(s). There are 8 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 1 have been closed. On average issues are closed in 1 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of webwork is current.

            kandi-Quality Quality

              webwork has 0 bugs and 0 code smells.

            kandi-Security Security

              webwork has 4 vulnerability issues reported (0 critical, 0 high, 3 medium, 1 low).
              webwork code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              webwork is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              webwork releases are not available. You will need to build from source code and install.
              Deployable package is available in npm.
              Installation instructions are not available. Examples and code snippets are available.

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            webwork Key Features

            No Key Features are available at this moment for webwork.

            webwork Examples and Code Snippets

            No Code Snippets are available at this moment for webwork.

            Community Discussions

            QUESTION

            Custom property on File instance not cloned when passing to web worker
            Asked 2021-May-30 at 23:26

            According to MDN, File objects can be passed to Web Workers and they are properly cloned using the structured cloning algorithm. So far, so good. And this works in all browsers I've tested:

            ...

            ANSWER

            Answered 2021-May-30 at 23:26

            The File interface has its own serialization steps, which are not the ones of Javascript objects. So yes, your custom properties are lost because these steps don't include grabbing own properties.

            1. Set serialized.[[SnapshotState]] to value’s snapshot state.

            2. Set serialized.[[ByteSequence]] to value’s underlying byte sequence.

            3. Set serialized.[[Name]] to the value of value’s name attribute.

            4. Set serialized.[[LastModified]] to the value of value’s lastModified attribute.

            Source https://stackoverflow.com/questions/67764714

            QUESTION

            How to create a display table using loops in WebWork? (PG)
            Asked 2021-May-26 at 17:59

            I picked up Perl about a week ago and am now creating problems in WebWorK to help students practice their derivative skills. I would like to print out a table of questions and corresponding answer boxes in the least labor intensive way possible, since these questions will be mass produced.

            Up to this point, I have been manually inputting the required code, and a lot of copy-pasting has been required. An example of the current structure is as follows:

            ...

            ANSWER

            Answered 2021-May-26 at 17:55

            The TEXT() function expects a list of values. Your for loop appears in this parameter list, where it is not useful, because it does not evaluate to a list of values. Create the values before you call the TEXT() function:

            Source https://stackoverflow.com/questions/67690896

            QUESTION

            Extend Polka Request object using Typescript
            Asked 2021-May-17 at 20:34

            First of all, I know this topic looks really similar to this other topic talking about extending Express Request object using Typescript

            Basically, I try to do the same thing but with Polka this time

            Has anyone managed to do this?

            The path I followed is similar to this

            At project root lever I created this folder structure :

            ...

            ANSWER

            Answered 2021-May-17 at 20:34

            I settled with first casting IncomingMessage to Request.

            Source https://stackoverflow.com/questions/66623263

            QUESTION

            Offscreen-Canvas not rendering some of the time
            Asked 2021-May-16 at 01:48

            I am trying to implement a in browser raster drawing plugin for the leaflet library that that extends the leaflets GridLayer api. Essentially for every tile there is function createTile that returns a canvas with some drawing on it. and leaflet shows the tile in correct position.

            ...

            ANSWER

            Answered 2021-May-16 at 01:48

            This a known bug: https://crbug.com/1202481

            The issue appears when too many OffscreenCanvases are sent to the Worker serially.

            The workaround is then to batch send all these OffscreenCanvases in a single call to postMessage().
            In your code you could achieve this by storing all the objects to be sent and use a simple debouncing strategy using a 0 timeout to send them all at once:

            Source https://stackoverflow.com/questions/67466243

            QUESTION

            Service worker file can't find imported files
            Asked 2021-May-10 at 09:26

            For this service worker I am working on I have managed to get it working but am now looking to expand upon it. The idea would be for there to be separate mock data used dependant on whether it is the UK or US version of the website.

            This is how it worked originally,

            TestMode.ts:

            ...

            ANSWER

            Answered 2021-May-10 at 09:26

            In case anyone else has the same issue as me. Check how your webpack config is setup, I had added a separate part to the config for the service worker and forgot ad:

            Source https://stackoverflow.com/questions/67420611

            QUESTION

            memory leak in JavaScript (WebWorker, Canvas, IndexedDB)
            Asked 2021-Apr-19 at 02:19

            I need some help with finding a memory leak in a small, Browser / WebWorker JavaScript. I tracked it down into this little piece of code:

            ...

            ANSWER

            Answered 2021-Apr-19 at 02:00

            For the ImageBitmap to release its bitmap data the most efficient way, you have to call its .close() method once you're done with it.

            But actually, you don't need this scaleImage function. createImageBitmap() has a resizeHeight option, and if you use it without the resizeWidth one, you'll resize your image by keeping the aspect-ratio exacty like you are doing in your function, except that it won't need to assign the bitmap twice.

            Once you have this resized ImageBitmap, you can transfer it to a BitmapRenderingContext (which will internally close() the original ImageBitmap) and call the transferToBlob() from that renderer. This should be lighter for your computer.

            Source https://stackoverflow.com/questions/67148570

            QUESTION

            ReferenceError when trying to new up 'Audio' object within web worker
            Asked 2021-Apr-16 at 02:58
            function buildBlobUrl(func) {
              let blobUrl = URL.createObjectURL(new Blob(['(',
                func.toString(),
                ')()'
              ], {
                type: 'application/javascript'
              }));
              return blobUrl;
            }
            
            function webWorkerFunction() {
              let audio = new Audio();
            }
            
            let blobUrl = buildBlobUrl(webWorkerFunction);
            let webWorker = new Worker(blobUrl);
            
            ...

            ANSWER

            Answered 2021-Apr-16 at 02:58
            No,

            The Audio constructor does return an HTMLAudioElement DOM Element, and Web Workers don't have access to the DOM, we thus can't create DOM Elements from there.
            And since we still can't really have a BaseAudioContext in a Worker either, there is no true alternative to playing this media 100% from the Worker.

            Source https://stackoverflow.com/questions/67118412

            QUESTION

            How to verify the requester of a Node API
            Asked 2021-Apr-14 at 11:20

            I have a Cloudflare Worker that presents a registration form, accepts input from the user that is posted back to the Worker which then sends that on to an Node HTTP API elsewhere (DigitalOcean if that matters) that inserts the data into a MongoDB (though it could be any database). I control the code in both the CF-Worker and the API.

            I am looking for the best way to secure this. I am currently figuring to include a pre-shared secret key in the API call request headers and I have locked down what this particular API can do with database access control. Is there an additional way for me to confirm that only the CF Webworker can call the API?

            If this is obvious to some I apologize. I have always been of the mind that unless you are REALY good at security it is best to consult those who are.

            ...

            ANSWER

            Answered 2021-Apr-14 at 11:20

            You can research OAuth2.0 standard. That is authorization standard for third party clients. Here is link: https://oauth.net/2/

            This solution is the most professional.There are other less secure ways to do it, but easier to implement. Password and username, x-api-key, etc..

            It sounds to me that you can also block all IPs and allow only requests from that specific domain name (CF Worker)

            Source https://stackoverflow.com/questions/67089719

            QUESTION

            Get WebSocket error close sent when I navigate to other page
            Asked 2021-Apr-12 at 20:18

            I am getting back error websocket: close sent when I try to send data from my server side to client side(dashboard page). The error happen when I navigate to home page and back to dashboard page. Everything works fine initially with the Dashboard Page
            My dashboard page code

            ...

            ANSWER

            Answered 2021-Apr-12 at 20:18

            The basic strategy for dealing with navigation away from the page, page close or errors is this: The client creates the websocket connection on page load. The server expects client connections to come and go and cleans up resources when the client connection errors.

            Here's why you get the error 'websocket: close sent': When the user navigates away from the page, the browser sends a close message to the server as part of the websocket closing handshake. The Gorilla package responds to the close message by sending another close message back to the client. From that point on, the server cannot send messages on the connection. The connection returns an error from write methods after the close message is sent.

            Close messages are returned as errors from the websocket read methods. To fix the problem, modify the code to handle errors in general. There's no need to handle the closing handshake specifically.

            Here's the updated code. The wsEndpoint function creates a channel for the reader to signal the writer that the reader is done. The defer ws.Close() statement is removed because the reader and writer goroutines will take responsibility for closing the connection.

            Source https://stackoverflow.com/questions/67030955

            QUESTION

            Import monaco-editor using Vite 2
            Asked 2021-Mar-24 at 15:11

            Currently, I have set up a Vite 2 project with monaco-editor as a dependency.

            Whenever I am trying to use it says that the workers are not imported.

            ...

            ANSWER

            Answered 2021-Jan-30 at 09:26

            With the latest release (2.0.0-beta.59) it is fixed.

            You can now add the environment workers without any further configuration (ref: https://github.com/vitejs/vite/discussions/1791)

            Source https://stackoverflow.com/questions/65953675

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            XWork 2.2.1 in Apache Struts 2.2.1, and OpenSymphony XWork in OpenSymphony WebWork, allows remote attackers to obtain potentially sensitive information about internal Java class paths via vectors involving an s:submit element and a nonexistent method, a different vulnerability than CVE-2011-1772.3.
            Directory traversal vulnerability in PG Problem Editor module (PGProblemEditor.pm) in WeBWorK Online Homework Delivery System 2.2.0 and earlier allows remote attackers to read and write files outside of the templates directory.
            Unspecified vulnerability in WeBWorK 2.1.3 and 2.2-pre1 allows remote privileged attackers to execute arbitrary commands as the web server via unknown attack vectors.

            Install webwork

            You can install using 'npm i @kolodny/webwork' or download it from GitHub, npm.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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          • CLI

            gh repo clone kolodny/webwork

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