pacc

propetty path utils

import { getAttribute } from "pacc";

const result = getAttribute({ a: [0,{ b: 4 }]}, "a[1].b");
// result === 4

API

Table of Contents

• AttributeDefinition
  • Properties
• tokens
• tokens
  • Parameters
• setAttribute
  • Parameters
• getAttribute
  • Parameters
• getAttributeAndOperator
  • Parameters
• lookup
• Token
  • Properties
• createToken
  • Parameters
• PLUS
• MINUS
• STAR
• DIVIDE
• NOT
• NOT_EQUAL
• GREATER
• GREATER_EQUAL
• LESS
• LESS_EQUAL
• EQUAL
• OPEN_ROUND
• CLOSE_ROUND
• OPEN_BRACKET
• CLOSE_BRACKET
• OPEN_CURLY
• CLOSE_CURLY
• QUESTION
• COLON
• SEMICOLON
• COMMA
• DOT
• AMPERSAND
• DOUBLE_AMPERSAND
• BAR
• DOUBLE_BAR

AttributeDefinition

Type: Object

Properties

• type string
• isKey boolean
• writable boolean
• mandatory boolean
• private boolean? should the value be shown
• depends string? name of an attribute we depend on
• additionalAttributes Array<string> extra attributes that are present in case our attribute is set
• description string? human readable
• default any? the default value
• set Function? set the value
• get Function? get the value can be used to calculate default values
• env (Array<string> | string)? environment variable(s) used to provide the value

tokens

tokens

Split property path into tokens

Parameters

• string string

setAttribute

Set Object attribute. The name may be a property path like 'a.b.c'.

Parameters

• object Object
• expression string
• value any

getAttribute

Deliver attribute value. The name may be a property path like 'a.b.c' or a[2]

Parameters

• object Object
• expression string

Returns any value associated with the given property name

getAttributeAndOperator

Deliver attribute value and operator. The name may be a property path like 'a.b.c <='.

Parameters

• object Object
• expression string

Returns [any, Token] value associated with the given property name

lookup

Token lookup

Token

Type: Object

Properties

• str string

createToken

Parameters

• str string

Returns Token

PLUS

Type: Token

MINUS

Type: Token

STAR

Type: Token

DIVIDE

Type: Token

NOT

Type: Token

NOT_EQUAL

Type: Token

GREATER

Type: Token

GREATER_EQUAL

Type: Token

LESS

Type: Token

LESS_EQUAL

Type: Token

EQUAL

Type: Token

OPEN_ROUND

Type: Token

CLOSE_ROUND

Type: Token

OPEN_BRACKET

Type: Token

CLOSE_BRACKET

Type: Token

OPEN_CURLY

Type: Token

CLOSE_CURLY

Type: Token

QUESTION

Type: Token

COLON

Type: Token

SEMICOLON

Type: Token

COMMA

Type: Token

DOT

Type: Token

AMPERSAND

Type: Token

DOUBLE_AMPERSAND

Type: Token

BAR

Type: Token

DOUBLE_BAR

Type: Token

install

With npm do:

npm install pacc

license

BSD-2-Clause