Edit a json file with ease.
# Using npm
npm install --save edit-json-file
# Using yarn
yarn add edit-json-fileconst editJsonFile = require("edit-json-file");
// If the file doesn't exist, the content will be an empty object by default.
let file = editJsonFile(`${__dirname}/foo.json`);
// Set a couple of fields
file.set("planet", "Earth");
file.set("city\\.name", "anytown");
file.set("name.first", "Johnny");
file.set("name.last", "B.");
file.set("is_student", false);
//Create or append to an array
file.append("classes", "fysics");
//You can even append objects
file.append("classes", { class: "Computer Science", where: "KULeuven" });
// Output the content
console.log(file.get());
// { planet: 'Earth',
// city.name: 'anytown',
// name: { first: 'Johnny', last: 'B.' },
// is_student: false,
// classes: [
// 'fysics',
// {
// 'class': 'Computer Science',
// 'where': 'KULeuven'
// }
// ]
// }
//if you want to remove the last element from an array use pop
file.pop("classes")
// Save the data to the disk
file.save();
// Reload it from the disk
file = editJsonFile(`${__dirname}/foo.json`, {
autosave: true
});
// Get one field
console.log(file.get("name.first"));
// => Johnny
// This will save it to disk
file.set("a.new.field.as.object", {
hello: "world"
});
// Output the whole thing
console.log(file.toObject());
// { planet: 'Earth',
// name: { first: 'Johnny', last: 'B.' },
// is_student: false,
// a: { new: { field: [Object] } } }There are few ways to get help:
- Please post questions on Stack Overflow. You can open issues with questions, as long you add a link to your Stack Overflow question.
- For bug reports and feature requests, open issues. ๐
- For direct and quick help, you can use Codementor. ๐
- String
path: The path to the JSON file. - Object
options: An object containing the following fields: stringify_width(Number): The JSON stringify indent width (default:2).stringify_fn(Function): A function used byJSON.stringify.stringify_eol(Boolean): Wheter to add the new line at the end of the file or not (default:false)ignore_dots(Boolean): Wheter to use the path including dots or have an object structure (default:false)autosave(Boolean): Save the file when setting some data in it.
- JsonEditor The
JsonEditorinstance.
Set a value in a specific path.
- String
path: The object path. - Anything
value: The value. - Object
options: The options for set-value (applied only when {ignore_dots} file option is false)
- JsonEditor The
JsonEditorinstance.
Get a value in a specific path.
- String
path:
- Value The object path value.
Remove a path from a JSON object.
- String
path: The object path.
- JsonEditor The
JsonEditorinstance.
Appends a value/object to a specific path. If the path is empty it wil create a list.
- String
path: The object path. - Anything
value: The value.
- JsonEditor The
JsonEditorinstance.
Pop an array from a specific path.
- String
path: The object path.
- JsonEditor The
JsonEditorinstance.
Read the JSON file.
- Function
cb: An optional callback function which will turn the function into an asynchronous one.
- Object The object parsed as object or an empty object by default.
write Write the JSON file.
- String
The: file content. - Function
cb: An optional callback function which will turn the function into an asynchronous one.
- JsonEditor The
JsonEditorinstance.
Empty the JSON file content.
- Function
cb: The callback function.
Get the current data as string.
- string The data as string.
Save the file back to disk.
- Function
cb: An optional callback function which will turn the function into an asynchronous one.
- JsonEditor The
JsonEditorinstance.
- Object The data object.
Edit a json file.
- String
path: The path to the JSON file. - Object
options: An object containing the following fields:
- JsonEditor The
JsonEditorinstance.
Have an idea? Found a bug? See how to contribute.
I open-source almost everything I can, and I try to reply to everyone needing help using these projects. Obviously, this takes time. You can integrate and use these projects in your applications for free! You can even change the source code and redistribute (even resell it).
However, if you get some profit from this or just want to encourage me to continue creating stuff, there are few ways you can do it:
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Starring and sharing the projects you like ๐
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coffeetea. ๐ต -
โSet up a recurring monthly donation and you will get interesting news about what I'm doing (things that I don't share with everyone).
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BitcoinโYou can send me bitcoins at this address (or scanning the code below):
1P9BRsmazNQcuyTxEqveUsnf5CERdq35V6
Thanks! โค๏ธ
If you are using this library in one of your projects, add it in this list. โจ
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