juniper/dist/schemas/enum.js

ESM JSON Schema builder for static Typescript inference.

import { AbstractSchema } from '../lib/schema.js';
export class EnumSchema extends AbstractSchema {
    #enum;
    constructor(options = {}){
        super(options);
        this.#enum = options.enum ?? [];
    }
    static create(options) {
        return new EnumSchema(options);
    }
    enum(val) {
        return this.enums([
            val
        ]);
    }
    enums(enums) {
        return this.clone({
            enum: [
                ...this.#enum,
                ...enums
            ]
        });
    }
    getCloneParams() {
        return {
            ...super.getCloneParams(),
            enum: [
                ...this.#enum
            ]
        };
    }
    toSchema(params) {
        const base = super.toSchema(params);
        const enums = [
            ...new Set(this.#enum)
        ];
        if (enums.length === 1 && !params.openApi30) {
            [base.const] = enums;
        } else {
            base.enum = enums;
        }
        return base;
    }
}

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