parameter.ts

import type { SomeType } from "..";
import { ReflectionType } from "../types";
import { Reflection, TraverseCallback, TraverseProperty } from "./abstract";
import type { SignatureReflection } from "./signature";
import type { Serializer, JSONOutput, Deserializer } from "../../serialization";

/**
 * @category Reflections
 */
export class ParameterReflection extends Reflection {
    readonly variant = "param";

    override parent?: SignatureReflection;

    defaultValue?: string;

    type?: SomeType;

    override traverse(callback: TraverseCallback) {
        if (this.type instanceof ReflectionType) {
            if (
                callback(
                    this.type.declaration,
                    TraverseProperty.TypeLiteral,
                ) === false
            ) {
                return;
            }
        }
    }

    /**
     * Return a string representation of this reflection.
     */
    override toString() {
        return (
            super.toString() + (this.type ? ": " + this.type.toString() : "")
        );
    }

    override toObject(serializer: Serializer): JSONOutput.ParameterReflection {
        return {
            ...super.toObject(serializer),
            variant: this.variant,
            type: serializer.toObject(this.type),
            defaultValue: this.defaultValue,
        };
    }

    override fromObject(
        de: Deserializer,
        obj: JSONOutput.ParameterReflection,
    ): void {
        super.fromObject(de, obj);
        this.type = de.reviveType(obj.type);
        this.defaultValue = obj.defaultValue;
    }
}