@cowwoc/requirements/node/internal/MutableStringMappers.mjs

A fluent API for enforcing design contracts with automatic message generation.

import { Type, StringMappers, internalValueToString } from "./internal.mjs";
/**
 * Returns the String representation of
 */
class MutableStringMappers {
    typeToMapper;
    /**
     * Creates a new instance.
     *
     * @param typeToMapper - a mapping from the name of a type to the string representation of its values
     */
    constructor(typeToMapper) {
        this.typeToMapper = new Map(typeToMapper);
    }
    /**
     * Returns a mutable copy of the StringMappers.
     *
     * @param mappers - a `StringMappers` object
     * @returns a mutable copy of the StringMappers
     */
    static from(mappers) {
        return new MutableStringMappers(mappers.typeToMapper);
    }
    /**
     * Returns an immutable copy of the mapper configuration.
     *
     * @returns an immutable copy of the mapper configuration
     */
    toImmutable() {
        return new StringMappers(this.typeToMapper);
    }
    /**
     * Sets the function that maps a value of the given type to a string. This method is useful for customizing
     * the formatting of validation failure messages.
     *
     * @param type   - a type
     * @param mapper - a function that returns the String representation of the type's instances
     * @returns this
     */
    put(type, mapper) {
        this.typeToMapper.set(type, mapper);
        return this;
    }
    /**
     * Removes a mapper for a type.
     *
     * @param type - the type
     * @returns this
     */
    remove(type) {
        this.typeToMapper.delete(type);
        return this;
    }
    /**
     * Returns the string representation of this instance
     *
     * @returns the string representation of this instance
     */
    toString() {
        return internalValueToString(this.typeToMapper);
    }
}
export { MutableStringMappers };
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