datasets-toolbox are some scripts usefull to generate, transfom and valid large dataset files, not openable with editor because too large. datasets-toolbox provide also a ping script.

Script to generate a dataset file with a configurable number of rows, using data retrieved randomly in the json file passed as a parameter

Launch this command, just update the outputFilePath, inputFilePath and expectedLines env var :

cross-env outputFilePath= inputFilePath= expectedLines= node scripts/generate/generateDataset.js

Without specifying these variables, the scripts will generate a file of 100,000 lines, using the default data sample, and generate the file in dataset/generate folder.

Convert csv file with ";" delimiters to an array of json in an other file, like this :

description;title
value;title
value2;title2

to

[
    {"description":"value","title":"title"},
    {"description":"value2","title":"title2"},
]

Launch this command, just update the sourcePath env var :

cross-env sourcePath=pathToYourFileWithoutExtension node scripts/transform/convertCsvToJson.js

Without sourcePath env var, the script choose the file in dataset folder

Convert an object by line file to an array of json in an other file, like this :

{"key": "value"}
{"key2": "value2"}

to

[
    {"key": "value"},
    {"key2": "value2"}
]

Launch this command, just update the sourcePath env var :

cross-env sourcePath=pathToYourFileWithoutExtension node scripts/transform/convertObjectByLineToObjectsArray.js

Without sourcePath env var, the script choose the file in dataset folder

Transform every objects in object by line file to transformed object by line, in an other file, like this (for an add date in each object example) :

{"key": "value"}
{"key2": "value2"}

to

{"key":"value","date":"2021-01-25T20:19:31.967Z"}
{"key2":"value2","date":"2021-01-25T20:19:31.968Z"}

Launch this command, just update the sourcePath env var :

cross-env sourcePath=pathToYourFileWithoutExtension node scripts/transform/transformEveryObjectsInObjectByLine.js

Iterate over each objects in object by line file to log every not parsable objects, like

{"key": "value"}
{"key2": "value2", "key3":}
{"key4": "value2", "key5":}

generate this logs :

This line is not parsable : {"key2": "value2", "key3":}
This line is not parsable : {"key4": "value2", "key5":}

Launch this command, just update the sourcePath env var :

cross-env sourcePath=pathToYourFileWithoutExtension node scripts/validation/detectErrorInJsonByLine.js

Without sourcePath env var, the script choose the file in dataset folder

Iterate over each json file in specified folder to log every not parsable files, like

Launch this command, just update the sourcePath env var :

cross-env sourcePath=pathToYourFolder node scripts/validation/detectErrorInJsonsInsideFolder.js

Without sourcePath env var, the script choose the folder folderOfJsons in dataset folder

Launch a ping with your nodeJS network configuration. It's helpfull if you want to check the connectivity between your node env and an ip (to test network configuration)

Launch this command, just update the ipToPing env var :

cross-env ipToPing= node ./scripts/ping.js

Without ipToPing env var, the script ping google DNS by default

Clone or download the project, in root folder, launch this command to get dependencies

npm install

You can test all scripts with npm start scripts available in package.json file or with commands in "How to use" sections.

Don't hesistate to make issue or PR if needed. You can contact me on tweeter : @Franck_Mahieu