gatsby-source-sanity/lib/util/deepCopy.js

Gatsby source plugin for building websites using Sanity.io as a backend.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
function copyValue(value, maxDepth, currentDepth) {
    const name = typeof value;
    if (name === 'string' || name === 'boolean' || name === 'number') {
        return value.valueOf();
    }
    if (Array.isArray(value)) {
        if (currentDepth > maxDepth) {
            return [];
        }
        return value.map(item => copyValue(item, maxDepth, currentDepth + 1));
    }
    if (lodash_1.isPlainObject(value)) {
        if (currentDepth > maxDepth) {
            return {};
        }
        const copiedObject = {};
        Object.keys(value).forEach(key => {
            const result = copyValue(value[key], maxDepth, currentDepth + 1);
            copiedObject[key] = result;
        });
        return copiedObject;
    }
    throw new Error(`Unable to copy value: ${value}`);
}
// Deep copy any json object. Arrays or objects deeper than maxDepth return as empty [] or {}
function deepCopy(value, maxDepth) {
    return copyValue(value, maxDepth, 1);
}
exports.deepCopy = deepCopy;
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