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authorPhilippe <pvlerick@gmail.com>2014-08-27 15:41:12 +0200
committerPhilippe <pvlerick@gmail.com>2014-08-27 15:41:12 +0200
commit0d022b14c0d11314d29211b862ac65095ceba26c (patch)
treeb73edb6993ebbe53881fd8d3c1c7983121f1657b
parentb5ccc1d83cfbc1d11ca32e44708fc1eb339027c0 (diff)
Added section on Modules
Indented comments and edited the Interfaces part. Still missing indexers and Generics.
-rw-r--r--typescript.html.markdown50
1 files changed, 29 insertions, 21 deletions
diff --git a/typescript.html.markdown b/typescript.html.markdown
index 8209fedb..74e98d14 100644
--- a/typescript.html.markdown
+++ b/typescript.html.markdown
@@ -18,7 +18,7 @@ var isDone: boolean = false;
var lines: number = 42;
var name: string = "Anders";
-//When it's impossible to know, there is the "Any" type
+//..When it's impossible to know, there is the "Any" type
var notSure: any = 4;
notSure = "maybe a string instead";
notSure = false; // okay, definitely a boolean
@@ -50,40 +50,32 @@ interface Person {
name: string;
//Optional properties, marked with a "?"
age?: number;
-}
-//Object that implements the "Person" interface
-var p : Person = { name: "Bobby" }; //Can be treated as a Person since it has the name and age properties
-//Objects that have the optional property:
-var validPerson : Person = { name: "Bobby", age: 42 };
-var invalidPerson : Person = { name: "Bobby", age: true }; //Is not a person because age is not a number
-
-//Interfaces can also define method signatures:
-interface PersonWhoCanTalk {
- sayHello(otherPersonsName: string): void;
+ //And of course functions
+ move(): void;
}
-//And also indexers, both with number and string
-interface PersonWhoCanBeIndexed {
- [index: number]: string;
-}
-//TODO
+//..Object that implements the "Person" interface
+var p : Person = { name: "Bobby", move : () => {} }; //Can be treated as a Person since it has the name and age properties
+//..Objects that have the optional property:
+var validPerson : Person = { name: "Bobby", age: 42, move: () => {} };
+var invalidPerson : Person = { name: "Bobby", age: true }; //Is not a person because age is not a number
-//Interfaces can also describe a function type
+//..Interfaces can also describe a function type
interface SearchFunc {
(source: string, subString: string): boolean;
}
-//Only the parameters' types are important, names are not important.
+//..Only the parameters' types are important, names are not important.
var mySearch: SearchFunc;
mySearch = function(src: string, sub: string) {
return src.search(sub) != -1;
}
-//Classes
+//Classes - members are public by default
class Point {
//Properties
x: number;
- //Constructor - the public/private keywords are shortcuts to generate the code for a property and its initialization
+ //Constructor - the public/private keywords in this context are shortcuts to generate the code for a property
//Equivalent to "x" in this case
//Default values are also supported
constructor(x: number, public y: number = 0) {
@@ -113,7 +105,23 @@ class Point3D extends Point {
}
}
-//Modules
+//Modules, "." can be used as separators for sub modules
+module Geometry {
+ export class Square {
+ constructor(public sideLength: number = 0) {
+ }
+ area() {
+ return Math.pow(this.sideLength, 2);
+ }
+ }
+}
+
+var s1 = new Geometry.Square(5);
+
+//..Local alias for rreferencing a module
+import G = Geometry;
+
+var s2 = new G.Square(10);
//Generics