json-diff-react/lib/JsonDiff/Internal/utils.js

A React.js component based on the json-diff package

// This is copied from 'json-diff' package ('lib/index.js') with minor
// modifications.
export const extendedTypeOf = function (obj) {
    const result = typeof obj;
    if (obj == null) {
        return 'null';
    }
    else if (result === 'object' && obj.constructor === Array) {
        return 'array';
    }
    else if (result === 'object' && obj instanceof Date) {
        return 'date';
    }
    else {
        return result;
    }
};
export const roundObj = function (data, precision) {
    const type = typeof data;
    if (type === 'object') {
        for (const key in data) {
            data[key] = roundObj(data[key], precision);
        }
        return data;
    }
    else if (type === 'number' && Number.isFinite(data) && !Number.isInteger(data)) {
        return +data.toFixed(precision);
    }
    else {
        return data;
    }
};
// A hacky marker for “...” elisions for object keys.
// This feature wasn’t present in the original “json-diff” library.
// A unique identifier used as a value for the “elisioned” object keys.
//
// Read more about “Symbol”s here:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol
export const elisionMarker = Symbol('json-diff-react--elision-marker');