UrlMatcher | @uirouter/angularjs
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Matches URLs against patterns.

Matches URLs against patterns and extracts named parameters from the path or the search part of the URL.

A URL pattern consists of a path pattern, optionally followed by '?' and a list of search (query) parameters. Multiple search parameter names are separated by '&'. Search parameters do not influence whether or not a URL is matched, but their values are passed through into the matched parameters returned by UrlMatcher.exec.

  • Path parameters are defined using curly brace placeholders (/somepath/{param}) or colon placeholders (/somePath/:param).

  • A parameter RegExp may be defined for a param after a colon (/somePath/{param:[a-zA-Z0-9]+}) in a curly brace placeholder. The regexp must match for the url to be matched. Should the regexp itself contain curly braces, they must be in matched pairs or escaped with a backslash.

Note: a RegExp parameter will encode its value using either ParamTypes.path or ParamTypes.query.

  • Custom parameter types may also be specified after a colon (/somePath/{param:int}) in curly brace parameters. See UrlMatcherFactory.type for more information.

  • Catch-all parameters are defined using an asterisk placeholder (/somepath/*catchallparam). A catch-all * parameter value will contain the remainder of the URL.


Parameter names may contain only word characters (latin letters, digits, and underscore) and must be unique within the pattern (across both path and search parameters). A path parameter matches any number of characters other than '/'. For catch-all placeholders the path parameter matches any number of characters.

Examples:

  • '/hello/' - Matches only if the path is exactly '/hello/'. There is no special treatment for trailing slashes, and patterns have to match the entire path, not just a prefix.
  • '/user/:id' - Matches '/user/bob' or '/user/1234!!!' or even '/user/' but not '/user' or '/user/bob/details'. The second path segment will be captured as the parameter 'id'.
  • '/user/{id}' - Same as the previous example, but using curly brace syntax.
  • '/user/{id:[^/]*}' - Same as the previous example.
  • '/user/{id:[0-9a-fA-F]{1,8}}' - Similar to the previous example, but only matches if the id parameter consists of 1 to 8 hex digits.
  • '/files/{path:.*}' - Matches any URL starting with '/files/' and captures the rest of the path into the parameter 'path'.
  • '/files/*path' - ditto.
  • '/calendar/{start:date}' - Matches "/calendar/2014-11-12" (because the pattern defined in the built-in date ParamType matches 2014-11-12) and provides a Date object in $stateParams.start

Hierarchy

  • UrlMatcher

Index

Constructors

  • Parameters

    • pattern string
      :

      The pattern to compile into a matcher.

    • paramTypes ParamTypes
      :

      The ParamTypes registry

    • paramFactory ParamFactory
    • config: Optional  any
      :

      A configuration object

      • caseInsensitive - true if URL matching should be case insensitive, otherwise false, the default value (for backward compatibility) is false.
      • strict - false if matching against a URL with a trailing slash should be treated as equivalent to a URL without a trailing slash, the default value is true.

    Returns UrlMatcher


Properties

config: any

A configuration object

  • caseInsensitive - true if URL matching should be case insensitive, otherwise false, the default value (for backward compatibility) is false.
  • strict - false if matching against a URL with a trailing slash should be treated as equivalent to a URL without a trailing slash, the default value is true.

A configuration object

  • caseInsensitive - true if URL matching should be case insensitive, otherwise false, the default value (for backward compatibility) is false.
  • strict - false if matching against a URL with a trailing slash should be treated as equivalent to a URL without a trailing slash, the default value is true.
pattern: string

The pattern that was passed into the constructor

The pattern that was passed into the constructor

Methods

  • Creates a new concatenated UrlMatcher

    Builds a new UrlMatcher by appending another UrlMatcher to this one.

    Parameters

    • url UrlMatcher
      :

      A UrlMatcher instance to append as a child of the current UrlMatcher.

    Returns UrlMatcher


  • exec(path: string, search?: any, hash?: string, options?: any): RawParams
  • Tests the specified url/path against this matcher.

  • Tests the specified url/path against this matcher.

    Tests if the given url matches this matcher's pattern, and returns an object containing the captured parameter values. Returns null if the path does not match.

    The returned object contains the values of any search parameters that are mentioned in the pattern, but their value may be null if they are not present in search. This means that search parameters are always treated as optional.

    Example:

    new UrlMatcher('/user/{id}?q&r').exec('/user/bob', {
      x: '1', q: 'hello'
    });
    // returns { id: 'bob', q: 'hello', r: null }
    

    Parameters

    • path string
      :

      The URL path to match, e.g. $location.path().

    • search: Default value  any = {}
      :

      URL search parameters, e.g. $location.search().

    • hash: Optional  string
      :

      URL hash e.g. $location.hash().

    • options: Default value  any = {}
      :

    Returns RawParams

    :

    The captured parameter values.


  • format(values?: RawParams): string
  • Given a set of parameter values, creates a URL from this UrlMatcher.

  • Given a set of parameter values, creates a URL from this UrlMatcher.

    Creates a URL that matches this pattern by substituting the specified values for the path and search parameters.

    Example:

    new UrlMatcher('/user/{id}?q').format({ id:'bob', q:'yes' });
    // returns '/user/bob?q=yes'
    

    Parameters

    • values: Default value  RawParams = {}
      :

      the values to substitute for the parameters in this pattern.

    Returns string

    :

    the formatted URL (path and optionally search part).


  • toString(): string
  • Returns the input pattern string

  • validates(params: RawParams): boolean
  • Validates the input parameter values against this UrlMatcher

  • Validates the input parameter values against this UrlMatcher

    Checks an object hash of parameters to validate their correctness according to the parameter types of this UrlMatcher.

    Parameters

    • params RawParams
      :

      The object hash of parameters to validate.

    Returns boolean

    :

    Returns true if params validates, otherwise false.


  • Compare two UrlMatchers

    This comparison function converts a UrlMatcher into static and dynamic path segments. Each static path segment is a static string between a path separator (slash character). Each dynamic segment is a path parameter.

    The comparison function sorts static segments before dynamic ones.

    Parameters

    Returns number


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