shelving/schema/ChoiceSchema.js

Toolkit for using data in JavaScript.

import { isArray } from "../util/array.js";
import { isProp } from "../util/object.js";
import { Schema } from "./Schema.js";
/** Get a `ChoiceOptions` object for a set of `PossibleChoiceOptions`. */
function _getChoiceOptions(options) {
    return isArray(options) ? Object.fromEntries(options.map(_getChoiceOption)) : options;
}
function _getChoiceOption(k) {
    return [k, k];
}
/** Choose from an allowed set of values. */
export class ChoiceSchema extends Schema {
    options;
    constructor({ one = "choice", title = "Choice", placeholder = `No ${one}`, options, value, ...rest }) {
        super({ one, title, value, placeholder, ...rest });
        this.options = _getChoiceOptions(options);
    }
    validate(unsafeValue = this.value) {
        if (typeof unsafeValue === "string" && isProp(this.options, unsafeValue))
            return unsafeValue;
        throw unsafeValue ? `Unknown ${this.one}` : "Required";
    }
    format(value) {
        return this.options[value];
    }
}
/** Choose from an allowed set of values. */
export function CHOICE(options) {
    return new ChoiceSchema({ options });
}