ut2/lib/toString.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var native = require('./internals/native.js');
var isArray = require('./isArray.js');
var isNil = require('./isNil.js');
var isSymbol = require('./isSymbol.js');

var symbolToString = native.symbolProto ? native.symbolProto.toString : native.nativeUndefined;
function baseToString(value) {
    if (typeof value === 'string') {
        return value;
    }
    if (isArray(value)) {
        return '' + value.map(baseToString);
    }
    if (isSymbol(value)) {
        return symbolToString ? symbolToString.call(value) : '';
    }
    var result = '' + value;
    return result === '0' && 1 / value === -Infinity ? '-0' : result;
}
function toString(value) {
    return isNil(value) ? '' : baseToString(value);
}

module.exports = toString;