jsii/lib/type-reference.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.typeReferenceToString = typeReferenceToString;
exports.typeReferenceEqual = typeReferenceEqual;
exports.createTypeResolver = createTypeResolver;
exports.resolveType = resolveType;
const spec = require("@jsii/spec");
const type_visitor_1 = require("./type-visitor");
/**
 * Convert a type reference to a string
 */
function typeReferenceToString(x) {
    return (0, type_visitor_1.visitTypeReference)(x, {
        named: function (ref) {
            return ref.fqn;
        },
        primitive: function (ref) {
            return ref.primitive;
        },
        collection: function (ref) {
            return `${ref.collection.kind}<${typeReferenceToString(ref.collection.elementtype)}>`;
        },
        union: function (ref) {
            return ref.union.types.map(typeReferenceToString).join(' | ');
        },
        intersection: function (ref) {
            return ref.intersection.types.map(typeReferenceToString).join(' & ');
        },
    });
}
/**
 * Return whether the given type references are equal
 */
function typeReferenceEqual(a, b) {
    if (spec.isNamedTypeReference(a) && spec.isNamedTypeReference(b)) {
        return a.fqn === b.fqn;
    }
    if (spec.isPrimitiveTypeReference(a) && spec.isPrimitiveTypeReference(b)) {
        return a.primitive === b.primitive;
    }
    if (spec.isCollectionTypeReference(a) && spec.isCollectionTypeReference(b)) {
        return (a.collection.kind === b.collection.kind && typeReferenceEqual(a.collection.elementtype, b.collection.elementtype));
    }
    if (spec.isUnionTypeReference(a) && spec.isUnionTypeReference(b)) {
        return (a.union.types.length === b.union.types.length &&
            a.union.types.every((aType, i) => typeReferenceEqual(aType, b.union.types[i])));
    }
    if (spec.isIntersectionTypeReference(a) && spec.isIntersectionTypeReference(b)) {
        return (a.intersection.types.length === b.intersection.types.length &&
            a.intersection.types.every((aType, i) => typeReferenceEqual(aType, b.intersection.types[i])));
    }
    return false;
}
/**
 * Creates a type resolver function for a given context (assembly + dependency closure).
 */
function createTypeResolver(assembly, dependencyClosure) {
    return (typeRef) => resolveType(typeRef, assembly, dependencyClosure);
}
/**
 * Resolve a type from a name to the actual type.
 * Uses a given assembly and dependency closure for lookup.
 */
function resolveType(typeRef, assembly, dependencyClosure) {
    if (typeof typeRef !== 'string') {
        typeRef = typeRef.fqn;
    }
    const [assm] = typeRef.split('.');
    if (assembly.name === assm) {
        return assembly.types?.[typeRef];
    }
    const foreignAssm = dependencyClosure.find((dep) => dep.name === assm);
    return foreignAssm?.types?.[typeRef];
}
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