jndb v3.8.1
Installation
master: npm i DeltaRade/jndb
stable: npm i jndb
Docs
class Connection
constructor(table, options)
- Parameters:
table
—string
—{{path:'.',fetchAll:false}}
—
get count()
gets the amount of entries from the database directly
delete(key)
deletes a key from the database
- Parameters:
key
—string|number
— - Returns:
this
—
has(key)
checks if the database has a value
- Parameters:
key
—string|number
— - Returns:
boolean
—
insert(key, value)
insert a value into the database
- Parameters:
key
—string|number
—value
—*
—
- Returns:
this
—
fetch(key)
fetch a value from the database and adds it to this.
- Parameters:
key
—string|number
— - Returns:
*
—
fetchArray()
fetch all table objects from the database directly and inserts them into an array in the form of:[ { key:string|number,value:any } ]
- Returns:
Array<{}>
—
fetchAll()
fetch all table objects from the database directly
- Returns:
{}
—
compress()
compresses the database into a separate file called jndb.dat
- Returns:
CompressedJSON
—
uncompress()
gets the compressed data from jndb.bat
(if it exists)
- Returns:
CompressedJSON
—
Usage
const jndb = require('../index');
const x = new jndb.Connection();
// select the table that is going to be used
x.use('users');
console.log(x.count);
x.insert('mr john','doe')
console.log(x.count)
// returns undefined if value cannot be obtained
console.log(x.fetch('unknown'))
//fetch table items into an object
let obj=x.fetchAll();
for(let i in obj){
console.log(i,obj[i])
}
// fetch table items as an array of objects
console.log(x.fetchArray())
// search the table for specific property matching
// returns an array of objects containing key and value
let kv=x.locate(v=>v=="doe")
console.log(kv,kv[0],kv[0].key,kv[0].value)
//compress data into jndb.dat
x.compress()
//return uncompressed data from that file
console.log(x.uncompress().json())
Issues
You can post issues here.
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