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node_modules/xmlcreate/lib/utils.js
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/**
* Copyright (C) 2016 Michael Kourlas
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @private
*/
function isString(val) {
return Object.prototype.toString.call(val) === "[object String]";
}
exports.isString = isString;
/**
* @private
*/
function isNumber(val) {
return Object.prototype.toString.call(val) === "[object Number]";
}
exports.isNumber = isNumber;
/**
* @private
*/
function isBoolean(val) {
return Object.prototype.toString.call(val) === "[object Boolean]";
}
exports.isBoolean = isBoolean;
/**
* @private
*/
function isUndefined(val) {
return Object.prototype.toString.call(val) === "[object Undefined]";
}
exports.isUndefined = isUndefined;
/**
* @private
*/
function isObject(val) {
return Object.prototype.toString.call(val) === "[object Object]";
}
exports.isObject = isObject;
/**
* @private
*/
function isArray(val) {
return Object.prototype.toString.call(val) === "[object Array]";
}
exports.isArray = isArray;
/**
* @private
*/
function isInteger(value) {
return typeof value === "number" &&
isFinite(value) &&
Math.floor(value) === value;
}
exports.isInteger = isInteger;
/**
* Retrieve the Unicode code point at the specified index in the specified
* string.
*
* @param str The string from which to retrieve the Unicode code point.
* @param index The specified index.
*
* @returns The Unicode code point at the specified position.
*
* @private
*/
function getCodePoint(str, index) {
if (index < 0 || index >= str.length) {
throw new Error("invalid index for specified string");
}
var first = str.charCodeAt(index);
if (first >= 0xD800 && first <= 0xDBFF && str.length > index + 1) {
var second = str.charCodeAt(index + 1);
if (second >= 0xDC00 && second <= 0xDFFF) {
return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
}
}
return first;
}
exports.getCodePoint = getCodePoint;
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