@aws-cdk/core
Version:
AWS Cloud Development Kit Core Library
111 lines • 9.36 kB
JavaScript
;
var _a, _b;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DependableTrait = exports.ConcreteDependable = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
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 ConcreteDependable {
constructor() {
this._dependencyRoots = new Array();
const self = this;
DependableTrait.implement(this, {
get dependencyRoots() { return self._dependencyRoots; },
});
}
/**
* Add a construct to the dependency roots
*/
add(construct) {
try {
jsiiDeprecationWarnings._aws_cdk_core_IConstruct(construct);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.add);
}
throw error;
}
this._dependencyRoots.push(construct);
}
}
exports.ConcreteDependable = ConcreteDependable;
_a = JSII_RTTI_SYMBOL_1;
ConcreteDependable[_a] = { fqn: "@aws-cdk/core.ConcreteDependable", version: "1.204.0" };
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 = DependableTrait.get(construct).dependencyRoots;
*
* // Definition
* class TraitImplementation implements DependableTrait {
* public readonly dependencyRoots: IConstruct[];
* constructor() {
* this.dependencyRoots = [constructA, constructB, constructC];
* }
* }
* DependableTrait.implement(construct, new TraitImplementation());
*
*/
class DependableTrait {
/**
* Register `instance` to have the given DependableTrait
*
* Should be called in the class constructor.
*/
static implement(instance, trait) {
try {
jsiiDeprecationWarnings._aws_cdk_core_IDependable(instance);
jsiiDeprecationWarnings._aws_cdk_core_DependableTrait(trait);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.implement);
}
throw error;
}
// 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 DependableTrait for the given class instance.
*/
static get(instance) {
try {
jsiiDeprecationWarnings._aws_cdk_core_IDependable(instance);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.get);
}
throw error;
}
const ret = instance[DEPENDABLE_SYMBOL];
if (!ret) {
throw new Error(`${instance} does not implement DependableTrait`);
}
return ret;
}
}
exports.DependableTrait = DependableTrait;
_b = JSII_RTTI_SYMBOL_1;
DependableTrait[_b] = { fqn: "@aws-cdk/core.DependableTrait", version: "1.204.0" };
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