How to extract text from a pdf file in javascript? [closed] - javascript

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So I am wondering if there's a way to extract text from pdf in javascript? I have already surveyed some npm modules like PDF-TO-TEXT but they all take in a file path name as input. I am using the react-drop-to-upload module to allow the user to drop the pdf to a react component. The react component takes in the pdf file and returns a File object rather than a file path. Is there a way to convert PDF stored in an File object to text? Thanks!

PDF.js allows you to load file objects and then parse the document as a text. This example from the official website does exactly that.

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How can I create a web app to edit a large JSON manually? [closed]

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I have a large JSON file, about 100 MB in a folder. I'd like to manually inspect some attributes, and then add more attributes to some of the objects and finally save changes and get output a modified json file.
Can someone suggest me how to do that?
I wanted to try with vue.js framework but I'm not very expert. If you know a video tutorial about this, please let me know.
Is using vanilla JavaScript the right choice or not?

How to convert a text document into .md(markdown) file [closed]

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Create a markdown file by using a text file. so the input file for the code should be .txt file and the expected output should be the .md file with the content of the text file.
steps:
Take a text file called doc.txt
Convert the file into doc.md
In python , you can achieve this through shutil library , using this below two lines of code.
import shutil
shutil.copyfile("testcopy.txt", "testcopy.md")
In Javascript , you can try with this https://www.npmjs.com/package/markdown-to-txt npm package or else you can use this online converters too https://cloudconvert.com/txt-to-md

How can I acess a website's localstorage from another website? [closed]

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I would like to access website A's localstorage from website B's script, how could I do that?
If that is not possible in any way how could I save a string from website A (using a JS script) to my computer and how could I read it from website B's script?
One possible option is to make a .txt file in the same root directory and provide its path to where you want to use the string.
If you want to use it in a javascript file, you can refer: How to read text file in JavaScript
I hope this helps!

How to program SQL views to show on website? [closed]

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So I have several report views that are relevant for a few people that have no SQL knowledge
Without using tableau, how to have these views available to be visualized on an internal website and/or downloadable in the form of a csv file?
Database is postgresql and there's someone else with JavaScript knowledge, though any solution is fine as long as it can be simple for the end user
The easiest way to export data of a table to a CSV file is with the COPY statement. But you can only COPY directly from a table, not a view. But you can
copy out anything you can select, so this should work:
COPY (SELECT * FROM MyView) TO 'C:\tmp\MyData_db.csv' DELIMITER ',' CSV HEADER;

Convert html to pdf with pdf.js [closed]

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I am a complete rookie in js libraries. I want to create an offline application in chrome, which will as a result convert an html file into pdf.
I discovered that it could be done by Mozilla's pdf.js? How can I start it? I am trying to understand the tutorial, but I am missing smth.
I have html page and a javascript file. Where and what shuold I import, and how to export this html file (forms, text and images) into pdf.
Thanx
You can't use pdf.js for this. It can only render (some) files. It does not produce PDF, nor does it handle HTML input.

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