style-dictionary-utils/dist/utilities/jsonToTypes.js

Utilities to use in your style dictionary config

/**
 * jsonToTypes
 * @description creates a typescript type definition from a json object
 * @param json json object
 * @param indent indentation string
 * @param rootName name of the root type
 * @param isRoot is the root type
 * @returns typescript type definition
 */
export const jsonToTypes = (json, indent = '  ', rootName = 'DesignToken', isRoot = true) => {
    // is non-object value
    if (!json || typeof json !== 'object')
        return json;
    let result = isRoot ? `export type ${rootName} = {\n` : '{\n';
    Object.entries(json).forEach(([key, value]) => {
        result += `${indent}'${key}': `;
        if (typeof value === 'object' && value !== null) {
            result += jsonToTypes(value, `${indent}  `, rootName, false);
        }
        else {
            result += `${typeof value};\n`;
        }
    });
    result += `${indent.slice(0, -2)}};\n`;
    return result;
};