lumen
SheetJS js-xlsx
lumen | SheetJS js-xlsx | |
---|---|---|
10 | 61 | |
532 | 34,507 | |
- | 0.3% | |
0.0 | 2.4 | |
over 1 year ago | 15 days ago | |
JavaScript | JavaScript | |
BSD 2-clause "Simplified" License | Apache License 2.0 |
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lumen
- Lumen: A Lisp for Lua and JavaScript
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Gerbil Scheme – A Lisp for the 21st Century
I agree! That’s actually not a jeer, it’s one of my main criticisms of lisp. You don’t need lists to have lisp. In many respects it works better without them; https://github.com/sctb/lumen proves it, since hash tables and arrays are the fundamental data structure. They have to be, because that’s the only way lumen can run in JS or Lua.
Every time I can’t delete the first element of a list in lisp (I.e. del x[0] in the python sense) I get annoyed with racket.
The reason I look past it is because the benefits are so good that they outweigh the annoyances. I wouldn’t trade it away.
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Show HN: Dak – a Lisp like language that transpiles to JavaScript
Where h is the raw function for hyperapp, not a macro.
I'd intended to develop my own mini-lisp with the same syntax, but got sidetracked by other projects. Maybe someday I'll get back to it. (Currently, I'm deep in the weeds trying to learn how to write a dependent typed language that compiles to javascript.)
[0]: https://github.com/sctb/lumen
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“There Is No List”
It wasn’t my idea, too. It was Scott Bell’s. I’m not sure if he thought of it or got it from somewhere else, but it’s shockingly effective.
If you want to try it out for yourself, give Lumen a spin: https://github.com/sctb/lumen
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The project with a single 11,000-line code file
> What do you develop with Arc usually?
I try to use Arc for as much as possible. We wrote our TPU monitoring software in it: http://tensorfork.com/tpus
Eventually I became frustrated with Racket's FFI. So I eventually made my own arclike language called elflang: https://github.com/elflang/elf
... which itself is a fork of Lumen (https://github.com/sctb/lumen) by Scott Bell.
The performance is good enough to run a minecraft-style game engine: https://i.imgur.com/iyr0YrB.png which was satisfying.
Nowadays I've been trying to implement Bel, mostly for the challenge of it than for any practical reason.
> I like how the "html" and "css" part was embedded in that "news.arc" file. Do you think that VIM script will highlight and lint the "css" part of an "arc" file?
Nope. https://i.imgur.com/o9aUG6j.png
But it has one very important feature: it can properly highlight atstrings: https://i.imgur.com/wO4f742.png
It's probably hard to tell, but the "@(hexrep border-color*)" would normally be highlighted as if it were a string. Arc has a feature called atstrings, where you can use @foo to reference the enclosing variable "foo". It can also call functions, e.g. "The value of 1 plus 2 is @(+ 1 2)" will become "The value of 1 plus 2 is 3".
- Lumen – self-hosted Lisp for Lua and JavaScript
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The most misunderstood aspect of Python
Not mine! That was all Scott Bell. It's forked from Lumen: https://github.com/sctb/lumen
But, I did make an interactive tutorial here: https://docs.ycombinator.lol/
If you have any questions about it, I'd be happy to answer. This stuff is pure fun mixed with a shot of professionalism.
For what it's worth, as someone with narcolepsy, I relate quite a lot to your chronic pain. (https://twitter.com/theshawwn/status/1392213804684038150) For me, it mostly translated into wandering aimlessly from job to job, since I thought no one would have me. I hope that you find your way -- there's nothing wrong at all with taking it slow and spending years on something that takes others a few months. Everyone is different, and it's all about the fun.
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Julia and the Incarceration of Lisp
You could go the opposite route, and run Lisp in your favorite language. Here's a Lisp in JavaScript and Lua: https://github.com/sctb/lumen
Integration is easy because there's no integration. You can just call whatever functions you'd normally call.
- Lumen, a Lisp for Lua and JavaScript
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Just Wanted to Say Thanks
Not at all. I've been thanking Scott for making lumen every thanksgiving for several years now. https://github.com/sctb/lumen
I just close the issue immediately after opening it. :)
SheetJS js-xlsx
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how to work with .xlsx files?
ExcelJS and XLSX (SheetJS) are great libraries to work with XLSX files. The former I've found a bit easier to work with but less efficient in general.
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What kind of Programmer / language should I be looking for?
Sure. I manipulate excel files programatically in the browser all the time. I don't really understand your exact workflow, but I use Javascript with xlsx and React.
- Excel To Json ?
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React App Won't Read xlsx File
Looking at the xlsx documentation, to parse files in the browser, rather than readFile, you use read, which is designed to parse binary data directly, rather than read from disk. There are a bunch of different formats if you go to the XLSX NPM page and scroll down to "Acquiring and Extracting Data". Importantly, it seems the data must already be serialized, so a Blob won't work, but we can work with that.
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We compete with GitHub. Bing does not show our website
Last year, Bing and Edge erroneously flagged our website https://sheetjs.com/ as "dangerous": https://i.imgur.com/BvA3zrk.png
At the time, there was no "Safety Report" to indicate why Bing thought it was dangerous. The report page linked to https://www.bing.com/toolbox/bing-site-safety?url=https%3a%2... and it said "That web page doesn't exist"
To fix it, we had to register with "Bing Webmaster Tools" (https://www.bing.com/webmasters/about) and raise a support ticket.
Within a few days, the issue "resolved itself". It's possible that raising a ticket forced some automatic refresh of the indexed data for the domain.
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Product Comparison App (JS Demo Project)
xlsx.
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Ask HN: Who is hiring? (February 2023)
SheetJS | https://sheetjs.com/ | Software Developer | Full time, Remote (US) | $165K - $240K
We're a bootstrapped company building open source solutions for spreadsheets and structured data. With over 1.5M unique monthly visitors, companies across the business world turn to us for challenging data processing problems. Over the last 10 years, we have pushed the boundaries of JavaScript and the web.
In this role, you will master new and established technologies while working on high-impact projects used by millions of people across the world. Balancing research and engineering, you will design and implement creative solutions that draw from your academic and professional experience.
https://sheetjs.com/careers/ more details
- Help to draw graph in reactjs from data in excel sheet
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PDF, Excel, Docx generate on React and Node js
For more, you can visit xlsx documentation Link.
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Active data pull from excel to html charts
There are libraries like https://github.com/SheetJS/sheetjs to parse excel and https://www.chartjs.org/ for all kinds of charts/graphs. Not really much HTML involved here.. the markup gets generated by the chart library.
What are some alternatives?
Tailwind CSS - A utility-first CSS framework for rapid UI development.
ExcelJS - Excel Workbook Manager
femtolisp - a lightweight, robust, scheme-like lisp implementation
HANDSONTABLE - JavaScript data grid with a spreadsheet look & feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
awesome-lisp-companies - Awesome Lisp Companies
Jspreadsheet CE - Jspreadsheet is a lightweight vanilla javascript plugin to create amazing web-based interactive tables and spreadsheets compatible with other spreadsheet software.
uncap - Map Caps Lock to Escape or any key to any key
Luckysheet - Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
sata-license - The Star And Thank Author License(SATA License)
ag-Grid - The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
stack-overflow-import - Import arbitrary code from Stack Overflow as Python modules.
React Data Grid - Feature-rich and customizable data grid React component