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*
* @namespace faker.address
*/
function Address (faker) {
var f = faker.fake,
Helpers = faker.helpers;
/**
* Generates random zipcode from format. If format is not specified, the
* locale's zip format is used.
*
* @method faker.address.zipCode
* @param {String} format
*/
this.zipCode = function(format) {
// if zip format is not specified, use the zip format defined for the locale
if (typeof format === 'undefined') {
var localeFormat = faker.definitions.address.postcode;
Iif (typeof localeFormat === 'string') {
format = localeFormat;
} else {
format = faker.random.arrayElement(localeFormat);
}
}
return Helpers.replaceSymbols(format);
}
/**
* Generates random zipcode from state abbreviation. If state abbreviation is
* not specified, a random zip code is generated according to the locale's zip format.
* Only works for locales with postcode_by_state definition. If a locale does not
* have a postcode_by_state definition, a random zip code is generated according
* to the locale's zip format.
*
* @method faker.address.zipCodeByState
* @param {String} state
*/
this.zipCodeByState = function (state) {
var zipRange = faker.definitions.address.postcode_by_state[state];
if (zipRange) {
return faker.random.number(zipRange);
}
return faker.address.zipCode();
}
/**
* Generates a random localized city name. The format string can contain any
* method provided by faker wrapped in `{{}}`, e.g. `{{name.firstName}}` in
* order to build the city name.
*
* If no format string is provided one of the following is randomly used:
*
* * `{{address.cityPrefix}} {{name.firstName}}{{address.citySuffix}}`
* * `{{address.cityPrefix}} {{name.firstName}}`
* * `{{name.firstName}}{{address.citySuffix}}`
* * `{{name.lastName}}{{address.citySuffix}}`
*
* @method faker.address.city
* @param {String} format
*/
this.city = function (format) {
var formats = [
'{{address.cityPrefix}} {{name.firstName}}{{address.citySuffix}}',
'{{address.cityPrefix}} {{name.firstName}}',
'{{name.firstName}}{{address.citySuffix}}',
'{{name.lastName}}{{address.citySuffix}}'
];
Eif (typeof format !== "number") {
format = faker.random.number(formats.length - 1);
}
return f(formats[format]);
}
/**
* Return a random localized city prefix
* @method faker.address.cityPrefix
*/
this.cityPrefix = function () {
return faker.random.arrayElement(faker.definitions.address.city_prefix);
}
/**
* Return a random localized city suffix
*
* @method faker.address.citySuffix
*/
this.citySuffix = function () {
return faker.random.arrayElement(faker.definitions.address.city_suffix);
}
/**
* Returns a random localized street name
*
* @method faker.address.streetName
*/
this.streetName = function () {
var result;
var suffix = faker.address.streetSuffix();
if (suffix !== "") {
suffix = " " + suffix
}
switch (faker.random.number(1)) {
case 0:
result = faker.name.lastName() + suffix;
break;
case 1:
result = faker.name.firstName() + suffix;
break;
}
return result;
}
//
// TODO: change all these methods that accept a boolean to instead accept an options hash.
//
/**
* Returns a random localized street address
*
* @method faker.address.streetAddress
* @param {Boolean} useFullAddress
*/
this.streetAddress = function (useFullAddress) {
if (useFullAddress === undefined) { useFullAddress = false; }
var address = "";
switch (faker.random.number(2)) {
case 0:
address = Helpers.replaceSymbolWithNumber("#####") + " " + faker.address.streetName();
break;
case 1:
address = Helpers.replaceSymbolWithNumber("####") + " " + faker.address.streetName();
break;
case 2:
address = Helpers.replaceSymbolWithNumber("###") + " " + faker.address.streetName();
break;
}
return useFullAddress ? (address + " " + faker.address.secondaryAddress()) : address;
}
/**
* streetSuffix
*
* @method faker.address.streetSuffix
*/
this.streetSuffix = function () {
return faker.random.arrayElement(faker.definitions.address.street_suffix);
}
/**
* streetPrefix
*
* @method faker.address.streetPrefix
*/
this.streetPrefix = function () {
return faker.random.arrayElement(faker.definitions.address.street_prefix);
}
/**
* secondaryAddress
*
* @method faker.address.secondaryAddress
*/
this.secondaryAddress = function () {
return Helpers.replaceSymbolWithNumber(faker.random.arrayElement(
[
'Apt. ###',
'Suite ###'
]
));
}
/**
* county
*
* @method faker.address.county
*/
this.county = function () {
return faker.random.arrayElement(faker.definitions.address.county);
}
/**
* country
*
* @method faker.address.country
*/
this.country = function () {
return faker.random.arrayElement(faker.definitions.address.country);
}
/**
* countryCode
*
* @method faker.address.countryCode
*/
this.countryCode = function () {
return faker.random.arrayElement(faker.definitions.address.country_code);
}
/**
* state
*
* @method faker.address.state
* @param {Boolean} useAbbr
*/
this.state = function (useAbbr) {
return faker.random.arrayElement(faker.definitions.address.state);
}
/**
* stateAbbr
*
* @method faker.address.stateAbbr
*/
this.stateAbbr = function () {
return faker.random.arrayElement(faker.definitions.address.state_abbr);
}
/**
* latitude
*
* @method faker.address.latitude
* @param {Double} max default is 90
* @param {Double} min default is -90
* @param {number} precision default is 4
*/
this.latitude = function (max, min, precision) {
max = max || 90
min = min || -90
precision = precision || 4
return faker.random.number({
max: max,
min: min,
precision: parseFloat((0.0).toPrecision(precision) + '1')
}).toFixed(precision);
}
/**
* longitude
*
* @method faker.address.longitude
* @param {Double} max default is 180
* @param {Double} min default is -180
* @param {number} precision default is 4
*/
this.longitude = function (max, min, precision) {
max = max || 180
min = min || -180
precision = precision || 4
return faker.random.number({
max: max,
min: min,
precision: parseFloat((0.0).toPrecision(precision) + '1')
}).toFixed(precision);
}
/**
* direction
*
* @method faker.address.direction
* @param {Boolean} useAbbr return direction abbreviation. defaults to false
*/
this.direction = function (useAbbr) {
if (typeof useAbbr === 'undefined' || useAbbr === false) {
return faker.random.arrayElement(faker.definitions.address.direction);
}
return faker.random.arrayElement(faker.definitions.address.direction_abbr);
}
this.direction.schema = {
"description": "Generates a direction. Use optional useAbbr bool to return abbrevation",
"sampleResults": ["Northwest", "South", "SW", "E"]
};
/**
* cardinal direction
*
* @method faker.address.cardinalDirection
* @param {Boolean} useAbbr return direction abbreviation. defaults to false
*/
this.cardinalDirection = function (useAbbr) {
if (typeof useAbbr === 'undefined' || useAbbr === false) {
return (
faker.random.arrayElement(faker.definitions.address.direction.slice(0, 4))
);
}
return (
faker.random.arrayElement(faker.definitions.address.direction_abbr.slice(0, 4))
);
}
this.cardinalDirection.schema = {
"description": "Generates a cardinal direction. Use optional useAbbr boolean to return abbrevation",
"sampleResults": ["North", "South", "E", "W"]
};
/**
* ordinal direction
*
* @method faker.address.ordinalDirection
* @param {Boolean} useAbbr return direction abbreviation. defaults to false
*/
this.ordinalDirection = function (useAbbr) {
if (typeof useAbbr === 'undefined' || useAbbr === false) {
return (
faker.random.arrayElement(faker.definitions.address.direction.slice(4, 8))
);
}
return (
faker.random.arrayElement(faker.definitions.address.direction_abbr.slice(4, 8))
);
}
this.ordinalDirection.schema = {
"description": "Generates an ordinal direction. Use optional useAbbr boolean to return abbrevation",
"sampleResults": ["Northwest", "Southeast", "SW", "NE"]
};
this.nearbyGPSCoordinate = function(coordinate, radius, isMetric) {
function randomFloat(min, max) {
return Math.random() * (max-min) + min;
}
function degreesToRadians(degrees) {
return degrees * (Math.PI/180.0);
}
function radiansToDegrees(radians) {
return radians * (180.0/Math.PI);
}
function kilometersToMiles(miles) {
return miles * 0.621371;
}
function coordinateWithOffset(coordinate, bearing, distance, isMetric) {
var R = 6378.137; // Radius of the Earth (http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html)
var d = isMetric ? distance : kilometersToMiles(distance); // Distance in km
var lat1 = degreesToRadians(coordinate[0]); //Current lat point converted to radians
var lon1 = degreesToRadians(coordinate[1]); //Current long point converted to radians
var lat2 = Math.asin(Math.sin(lat1) * Math.cos(d/R) +
Math.cos(lat1) * Math.sin(d/R) * Math.cos(bearing));
var lon2 = lon1 + Math.atan2(
Math.sin(bearing) * Math.sin(d/R) * Math.cos(lat1),
Math.cos(d/R) - Math.sin(lat1) * Math.sin(lat2));
// Keep longitude in range [-180, 180]
if (lon2 > degreesToRadians(180)) {
lon2 = lon2 - degreesToRadians(360);
} else if (lon2 < degreesToRadians(-180)) {
lon2 = lon2 + degreesToRadians(360);
}
return [radiansToDegrees(lat2), radiansToDegrees(lon2)];
}
// If there is no coordinate, the best we can do is return a random GPS coordinate.
if (coordinate === undefined) {
return [faker.address.latitude(), faker.address.longitude()]
}
radius = radius || 10.0;
isMetric = isMetric || false;
// TODO: implement either a gaussian/uniform distribution of points in cicular region.
// Possibly include param to function that allows user to choose between distributions.
// This approach will likely result in a higher density of points near the center.
var randomCoord = coordinateWithOffset(coordinate, degreesToRadians(Math.random() * 360.0), radius, isMetric);
return [randomCoord[0].toFixed(4), randomCoord[1].toFixed(4)];
}
return this;
}
module.exports = Address;
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