constructs
Version:
A programming model for software-defined state
88 lines • 8.94 kB
JavaScript
;
var _a, _b;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Dependable = exports.DependencyGroup = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
/**
* A set of constructs to be used as a dependable
*
* This class can be used when a set of constructs which are disjoint in the
* construct tree needs to be combined to be used as a single dependable.
*/
class DependencyGroup {
constructor(...deps) {
this._deps = new Array();
const self = this;
Dependable.implement(this, {
get dependencyRoots() {
const result = new Array();
for (const d of self._deps) {
result.push(...Dependable.of(d).dependencyRoots);
}
return result;
},
});
this.add(...deps);
}
/**
* Add a construct to the dependency roots
*/
add(...scopes) {
this._deps.push(...scopes);
}
}
exports.DependencyGroup = DependencyGroup;
_a = JSII_RTTI_SYMBOL_1;
DependencyGroup[_a] = { fqn: "constructs.DependencyGroup", version: "10.4.2" };
const DEPENDABLE_SYMBOL = Symbol.for('@aws-cdk/core.DependableTrait');
/**
* Trait for IDependable
*
* Traits are interfaces that are privately implemented by objects. Instead of
* showing up in the public interface of a class, they need to be queried
* explicitly. This is used to implement certain framework features that are
* not intended to be used by Construct consumers, and so should be hidden
* from accidental use.
*
* @example
*
* // Usage
* const roots = Dependable.of(construct).dependencyRoots;
*
* // Definition
* Dependable.implement(construct, {
* dependencyRoots: [construct],
* });
*/
class Dependable {
/**
* Turn any object into an IDependable.
*/
static implement(instance, trait) {
// I would also like to reference classes (to cut down on the list of objects
// we need to manage), but we can't do that either since jsii doesn't have the
// concept of a class reference.
instance[DEPENDABLE_SYMBOL] = trait;
}
/**
* Return the matching Dependable for the given class instance.
*/
static of(instance) {
const ret = instance[DEPENDABLE_SYMBOL];
if (!ret) {
throw new Error(`${instance} does not implement IDependable. Use "Dependable.implement()" to implement`);
}
return ret;
}
/**
* Return the matching Dependable for the given class instance.
* @deprecated use `of`
*/
static get(instance) {
return this.of(instance);
}
}
exports.Dependable = Dependable;
_b = JSII_RTTI_SYMBOL_1;
Dependable[_b] = { fqn: "constructs.Dependable", version: "10.4.2" };
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