parseQueryString(string)

• Core
  • m
  • m.render
  • m.mount
  • m.route
  • m.request
  • m.jsonp
  • m.parseQueryString
    • Description
    • Signature
    • How it works
  • m.buildQueryString
  • m.buildPathname
  • m.parsePathname
  • m.trust
  • m.fragment
  • m.redraw
  • Promise
• Optional
  • Stream
• Tooling
  • Ospec

Description

Turns a string of the form ?a=1&b=2 to an object

var object = m.parseQueryString("a=1&b=2")
// {a: "1", b: "2"}

Signature

object = m.parseQueryString(string)

How to read signatures

How it works

The m.parseQueryString method creates an object from a querystring. It is useful for handling data from URL

var data = m.parseQueryString("a=hello&b=world")

// data is {a: "hello", b: "world"}

Boolean type casting

This method attempts to cast boolean values if possible. This helps prevents bugs related to loose truthiness and unintended type casts.

var data = m.parseQueryString("a=true&b=false")

// data is {a: true, b: false}

Leading question mark tolerance

For convenience, the m.parseQueryString method ignores a leading question mark, if present:

var data = m.parseQueryString("?a=hello&b=world")

// data is {a: "hello", b: "world"}

Deep data structures

Querystrings that contain bracket notation are correctly parsed into deep data structures

m.parseQueryString("a[0]=hello&a[1]=world")

// data is {a: ["hello", "world"]}