-
Notifications
You must be signed in to change notification settings - Fork 1
The Types
Typit contains a number of built-in types that describe primitive types (strings, booleans, numbers, etc), common type bounds (void, never, etc), as well as type 'concepts' (unknown, not-present, etc).
This page serves as an overview of all of these built-in types and their functions/general use cases.
For more information on any of the types specified on this page, links will also be present to go to the more in-depth reference material for each type.
The StandardType class enumerates the types of the regular primitive types found in JavaScript/TypeScript.
Numeric values conform to this type:
StandardType.NUMBER.checkConformity(5); // trueNon-numeric values do not:
StandardType.NUMBER.checkConformity("goober"); // false
StandardType.NUMBER.checkConformity("11"); // false
StandardType.NUMBER.checkConformity(true); // false
StandardType.NUMBER.checkConformity({ key: 42 }); // falseNote that the NaN ('not a number') value is technically actually a numeric value:
StandardType.NUMBER.checkConformity(NaN); // trueIf you need to additionally check that a given value is not NaN you can just check directly against it:
if (value === NaN) { /* Handle NaN value. */ }Boolean values (true and false) conform to this type:
StandardType.BOOLEAN.checkConformity(true); // true
StandardType.BOOLEAN.checkConformity(false); // trueNon-boolean values do not:
StandardType.BOOLEAN.checkConformity("booger"); // false
StandardType.BOOLEAN.checkConformity("true"); // false
StandardType.BOOLEAN.checkConformity(1711); // false
StandardType.BOOLEAN.checkConformity({ key: "wee" }); // falseString value conform to this type:
StandardType.STRING.checkConformity("Hello, world!"); // true
StandardType.STRING.checkConformity(""); // true
StandardType.STRING.checkConformity("09182734"); // trueNon-string values do not:
StandardType.STRING.checkConformity(41210); // false
StandardType.STRING.checkConformity(false); // false
StandardType.STRING.checkConformity([ 1, 2, 3, 'a', 'b', 'c' ]); // false
StandardType.STRING.checkConformity({ key: "bar" }); // falseDescription.
Content.
Content.
Content.
Content.
Content.
Content.