@devgrid/common/dist/esm/entries.js

Some useful primitives

import { isNil } from './predicates';
const objectOwnProps = Object.getOwnPropertyNames(Object.getPrototypeOf({}));
const _keys = (obj, enumOnly, followProto) => {
    if (!followProto) {
        return enumOnly ? Object.keys(obj) : Object.getOwnPropertyNames(obj);
    }
    const props = [];
    const seen = new Set();
    const protoChain = [];
    let current = obj;
    while (current) {
        protoChain.unshift(current);
        current = Object.getPrototypeOf(current);
    }
    for (const proto of protoChain) {
        const keys = enumOnly ?
            Object.keys(proto) :
            Object.getOwnPropertyNames(proto);
        for (const key of keys) {
            if (!seen.has(key) && !objectOwnProps.includes(key)) {
                seen.add(key);
                props.push(key);
            }
        }
    }
    return props;
};
export const keys = (obj, { enumOnly = true, followProto = false, all = false } = {}) => {
    if (isNil(obj)) {
        return [];
    }
    if (all) {
        enumOnly = false;
        followProto = true;
    }
    return _keys(obj, enumOnly, followProto);
};
export const values = (obj, { enumOnly = true, followProto = false, all = false } = {}) => {
    if (isNil(obj)) {
        return [];
    }
    if (all) {
        enumOnly = false;
        followProto = true;
    }
    if (!followProto && enumOnly) {
        return Object.values(obj);
    }
    return _keys(obj, enumOnly, followProto).map(key => obj[key]);
};
export const entries = (obj, { enumOnly = true, followProto = false, all = false } = {}) => {
    if (isNil(obj)) {
        return [];
    }
    if (all) {
        enumOnly = false;
        followProto = true;
    }
    return _keys(obj, enumOnly, followProto).map(key => [key, obj[key]]);
};
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