Json rules

• use rules field
• accept array or object values
• key is field formkey
• value check condition
• • true is present
• • false is not valid or empty
• • string is equal
• • array is include
• • prefix options
• • checkAll options
• • ^ for skip prefix

Code

  import jrules from '@stackhouseos/json-rules'
  const [hasError, results] = jrules({a: {eq: 'b'}}, {a: 'b'}, false)

Examples fields

Check is field status equal PENDING

  {
        "rules":{
            "status": { in: ["PENDING"] }
        }
  }

Check is field deleted equal true

  {
        "rules":{
            "deleted": {eq: true}
        }
  }

Check is field deleted equal true AND status equal PENDING

  {
        "rules": [
            {"deleted": {eq: true} },
            {"status": { in: ["PENDING"] } }
        ]
  }

Check is field deleted equal true AND status equal PENDING AND guid is present

  {
        "rules": {
          and : [
            {
              "status": { in: ["PENDING"] } }
            }, 
            {
              "guid": {eq: true}
            }
          ]
        }
  }

Check is field deleted equal true OR status equal PENDING OR guid is present

  {
        "rules": {
          or: [
            {
              "status":  { in: ["PENDING"] } 
            }, 
            {
              "guid": {eq: true}
            }
          ]
        }
  }

Advance

  {
    rules: {
        or: [
            { 'form.radio': true },
            {
                and: [
                    { 'form.name': { min: 5, name: 'ERROR-MIN' } },
                    { 'form.name': { eq: { ref: 'form.city' } } },
                    { 'form.name': { len: { ref: 'form.city' } } },
                    { 'form.name': { len: { ref: 'form.city', transform: val => val+1 } } }
                ]
            },  
            {
                'form.name': (val) => {
                    return val === 'aaaa'
                }
            },
        ]
    }
  }

Valid Operators

  ex: Esiste
  nex: Non esiste
  nu: (object not exist or false)
  nnu: not (object not exist or false),
  eq: uguale ===
  neq: non uguale ===
  weq: uguale ==
  nweq: non uguale ==
  gt: più grande,
  gte: più grande o uguale,
  lt: più piccolo,
  lte: più piccolo o uguale
  mi: dimensione array pià piccola di
  ma: dimensione array pià grande di,
  min: dimensione array pià piccola di o uguale,
  max: dimensione array pià grande di o uguale,
  len: dimensione array uguale
  in: include,
  nin: non include
  all: include tutti,
  nall: non include tutti
  find: cerco,
  con: contiene insenstive,
  coni: contiene senstive
  ncon: non contiene,
  re: regex
  nre: not regex
  func: funzione
  tof: typeof uguale