jsonlogic-transformer

A simple package for transforming JsonLogic to JSON and vice-versa

Installation

``
npm i jsonlogic-transformer
`

Transform to JSON

`
import { transformToJSON } from 'jsonlogic-transformer';

const expression = {
and: [{
'>': [{
var: 'firstName',
},
'Stev',
],
},
{
'!': {
in: [{
var: 'age',
},
['12'],
],
},
},
{
or: [{
'==': [{
var: 'age',
},
'25',
],
}, ],
},
],
};

const jsonOutput = transformToJSON(expression);

console.log(jsonOutput);

/**
{
"combinator": "and",
"rules": [{
"field": "firstName",
"operator": ">",
"value": "Stev"
}, {
"field": "age",
"operator": "notIn",
"value": "12"
}, {
"combinator": "or",
"rules": [{
"field": "age",
"operator": "=",
"value": "25"
}]
}]
}
**/

`

Transform to JsonLogic

`
import { transformToJSONLogic } from 'jsonlogic-transformer';

const rules = {
combinator: 'and',
not: false,
rules: [{
field: 'firstName',
value: 'Stev, Bob',
operator: 'notBetween',
},
{
field: 'age',
operator: 'notNull',
valueSource: 'value',
value: '12',
},
{
rules: [{
field: 'age',
operator: '>',
valueSource: 'value',
value: '25',
},
{
field: 'age',
operator: '<',
valueSource: 'value',
value: '18',
},
{
field: 'lastName',
operator: 'notBetween',
valueSource: 'value',
value: 'jnkl, nk',
},
],
combinator: 'or',
not: false,
},
],
};


const result = transformToJSONLogic(rules);
console.log(result);

/**
{
"and": [{
"!": {
"<=": ["Stev", {
"var": "firstName"
}, "Bob"]
}
}, {
"!=": [{
"var": "age"
}, null]
}, {
"or": [{
">": [{
"var": "age"
}, "25"]
}, {
"<": [{
"var": "age"
}, "18"]
}, {
"!": {
"<=": ["jnkl", {
"var": "lastName"
}, "nk"]
}
}]
}]
}
**/

``