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    Class Pod

    Pod represents a module of Types. Pods serve as a type namespace as well as unit of deployment and versioning.

    Hierarchy (View Summary)

    Index

    Constructors

    Properties

    type$: Type

    Methods

    • Return a negative integer, zero, or a positive integer if this object is less than, equal to, or greater than the specified object:

      this < that   =>  <0
      this == that => 0
      this > that => >0

      This method may also be accessed via the < <= <=> >= and > shortcut operators. If not overridden the default implementation compares the toStr representations. Also see docLang.

      Examples:

      3.compare(8)  =>  -1
      8.compare(3) => 1
      8.compare(8) => 0
      3 <=> 8 => -1 // shortcut for 3.compare(8)

      Parameters

      Returns number

    • Convenience for Env.config.

      Parameters

      • name: string
      • Optionaldef: string

      Returns string

    • Get the declared list of dependencies for this pod.

      Returns List<Depend>

    • Return the fandoc chapter for this pod or null if not available. To get the summary string for the pod use:

      pod.meta["pod.summary"]
      

      Returns string

    • Compare this object to the specified for equality. This method may be accessed via the == and != shortcut operators. If not overridden the default implementation compares for reference equality using the === operator. If this method is overridden, then hash() must also be overridden such that any two objects which return true for equals() must return the same value for hash(). This method must accept null and return false.

      Parameters

      Returns boolean

    • Look up a resource file in this pod. The URI must start with the Pod's uri or be path absolute. If the file cannot be found then return null or throw UnresolvedErr based on checked flag.

      Examples:

      Pod.find("icons").file(`/x16/cut.png`)
      Pod.find("icons").file(`fan://icons/x16/cut.png`)
      `fan://icons/x16/cut.png`.get

      Parameters

      • uri: Uri
      • Optionalchecked: boolean

      Returns File

    • List all the resource files contained by this pod. Resources are any files included in the pod's zip file excluding fcode files. The URI of these files is rooted by uri. Use file or Uri.get to lookup a resource file.

      Returns List<File>

    • Return a unique hashcode for this object. If a class overrides hash() then it must ensure if equals() returns true for any two objects then they have same hash code.

      Returns number

    • Return if this Obj is immutable and safe to share between threads:

      • an instance of a const class
      • the result of toImmutable on List, Map, or Buf
      • a Func object may or may not be immutable - see sys::Func.
      • other instances are assumed mutable and return false

      Returns boolean

    • Convenience for Env.locale using Locale.cur.

      Parameters

      • name: string
      • Optionaldef: string

      Returns string

    • Return the log for this pod's name. This is a convenience for Log.get(name).

      Returns Log

    • Get the meta name/value pairs for this pod. See docLang.

      Returns Map<string, string>

    • Simple name of the pod such as "sys".

      Returns string

    • Convenience for Env.props.

      Parameters

      Returns Map<string, string>

    • Get an immutable representation of this instance or throw NotImmutableErr if this object cannot be represented as an immutable:

      • if type is const, return this
      • if already an immutable List, Map, Buf, or Func return this
      • if a List, then attempt to perform a deep clone by calling toImmutable on all items
      • if a Map, then attempt to perform a deep clone by calling toImmutable on all values (keys are already immutable)
      • some Funcs can be made immutable - see sys::Func
      • if a Buf create immutable copy, see sys::Buf
      • any other object throws NotImmutableErr

      Returns Readonly<this>

    • Always return name().

      Returns string

    • Trap a dynamic call for handling. Dynamic calls are invoked with the -> shortcut operator:

      a->x        a.trap("x", null)
      a->x() a.trap("x", null)
      a->x = b a.trap("x", [b])
      a->x(b) a.trap("x", [b])
      a->x(b, c) a.trap("x", [b, c])

      The default implementation provided by Obj attempts to use reflection. If name maps to a method, it is invoked with the specified arguments. If name maps to a field and args.size is zero, get the field. If name maps to a field and args.size is one, set the field and return args[0]. Otherwise throw UnknownSlotErr.

      Parameters

      Returns JsObj

    • Find a type by name. If the type doesn't exist and checked is false then return null, otherwise throw UnknownTypeErr.

      Parameters

      • name: string
      • Optionalchecked: boolean

      Returns Type

    • Get the Type instance which represents this object's class. Also seeType.of or Pod.of.

      Returns Type

    • List of all the defined types.

      Returns List<Type>

    • Uri for this pod which is always "fan://{name}".

      Returns Uri

    • Version number for this pod.

      Returns Version

    • This method called whenever an it-block is applied to an object. The default implementation calls the function with this, and then returns this.

      Parameters

      • f: (arg0: this) => void

      Returns this

    • Write x.toStr to standard output followed by newline. If x is null then print "null". If no argument is provided then print an empty line.

      Parameters

      Returns void

    • Find a pod by name. If the pod doesn't exist and checked is false then return null, otherwise throw UnknownPodErr.

      Parameters

      • name: string
      • Optionalchecked: boolean

      Returns Pod

    • Expand a set of pods to include all their recursive dependencies. This method does not order them; see orderByDepends.

      Parameters

      Returns List<Pod>

    • Get a list of all the pods installed. Note that currently this method will load all of the pods into memory, so it is an expensive operation.

      Returns List<Pod>

    • Load a pod into memory from the specified input stream. The stream must contain a valid pod zip file with all the definitions. The pod is completely loaded into memory and the input stream is closed. The pod cannot have resources. The pod name as defined by /pod.def must be uniquely named or Err is thrown.

      Parameters

      Returns Pod

    • Get the pod of the given instance which is convenience for Type.of(obj).pod. See Type.pod.

      Parameters

      Returns Pod

    • Order a list of pods by their dependencies. This method does not flatten dependencies - see flattenDepends.

      Parameters

      Returns List<Pod>