@yellow-ticket/seed-json-schema/build/seed-object.js

Seed a JSON Schema with random values.

import { invariant } from 'outvariant';
import { faker } from '@faker-js/faker';
import { repeat } from './utils/repeat.js';
import { seedSchema } from './seed-schema.js';
export function seedObject(schema) {
    // Always use the explicit "default" value.
    if (schema.default) {
        return schema.default;
    }
    // Always us an explicit example, if provided.
    if (schema.examples) {
        return schema.examples;
    }
    const json = {};
    // Support explicit "properties".
    if (schema.properties) {
        for (const [key, propertyDefinition] of Object.entries(schema.properties)) {
            if (typeof propertyDefinition === 'boolean') {
                continue;
            }
            invariant(!('$ref' in propertyDefinition), 'Failed to generate mock from the schema property definition (%j): found unresolved reference.', propertyDefinition);
            const value = seedSchema(propertyDefinition);
            if (typeof value !== 'undefined') {
                json[key] = value;
            }
        }
    }
    // Support "additionalProperties".
    if (schema.additionalProperties) {
        const additionalPropertiesSchema = schema.additionalProperties;
        if (additionalPropertiesSchema === true) {
            repeat(0, 4, () => {
                const propertyName = faker.word.sample().toLowerCase();
                json[propertyName] = faker.string.sample();
            });
            return json;
        }
        invariant(!('$ref' in additionalPropertiesSchema), 'Failed to generate mock from the "additionalProperties" schema: found unresolved reference.');
        repeat(0, 4, () => {
            const propertyName = faker.word.sample().toLowerCase();
            json[propertyName] = seedSchema(additionalPropertiesSchema);
        });
    }
    return json;
}