@szydlovski/deep-object/build/deep-property.js

utility functions for deeply nested objects

import { _deepObjectTraverse } from './core.js';
function validatePath(path) {
    if (typeof path === 'string') {
        return path.split('.');
    }
    else if (Array.isArray(path)) {
        return [...path];
    }
    else {
        throw new TypeError(`Path is not a string or an array`);
    }
}
function extractDeepProperty(target, keyPath) {
    const path = validatePath(keyPath);
    const key = path.pop();
    if (!key)
        throw new TypeError('Cannot extract deep property from an empty path');
    try {
        const position = _deepObjectTraverse(target, path, false);
        const exists = Object.keys(position).includes(key);
        const value = position[key];
        return [exists, value];
    }
    catch {
        return [false, undefined];
    }
}
function hasDeepProperty(target, keyPath) {
    return extractDeepProperty(target, keyPath)[0];
}
function getDeepProperty(target, keyPath) {
    return extractDeepProperty(target, keyPath)[1];
}
function setDeepProperty(target, keyPath, value) {
    const path = validatePath(keyPath);
    const key = path.pop();
    if (!key)
        throw new TypeError('Cannot set deep property on an empty path');
    const position = _deepObjectTraverse(target, path);
    position[key] = value;
    return target;
}
export { extractDeepProperty, hasDeepProperty, getDeepProperty, setDeepProperty, extractDeepProperty as extractProperty, hasDeepProperty as hasProperty, getDeepProperty as getProperty, setDeepProperty as setProperty, };
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