Members

static, constant MAX_LATITUDE :Number

code/utils.js, line 426

The maximum absolute latitude that can be represented in Web Mercator projection (EPSG:3857). This value is taken from L.Projection.SphericalMercator.MAX_LATITUDE

Methods

private, static clamp(n, max, min) → {number}

code/utils.js, line 402

Clamps a given value between a minimum and maximum value. Simple implementation for internal use.

Parameters:

Name	Type	Description
n	number	The value to clamp.
max	number	The maximum allowed value.
min	number	The minimum allowed value.

Returns:

number -

The clamped value.

static clampLatLng(latlng) → {Array.<number>}

code/utils.js, line 428

Clamps a latitude and longitude to the maximum and minimum valid values.

Parameters:

Name	Type	Description
latlng	L.LatLng	The latitude and longitude to clamp.

Returns:

Array.<number> -

The clamped latitude and longitude.

static clampLatLngBounds(bounds) → {L.LatLngBounds}

code/utils.js, line 441

Clamps a latitude and longitude bounds to the maximum and minimum valid values.

Parameters:

Name	Type	Description
bounds	L.LatLngBounds	The bounds to clamp.

Returns:

L.LatLngBounds -

The clamped bounds.

static deleteCookie(name)

code/utils.js, line 73

Deletes a cookie by name.

Parameters:

Name	Type	Description
name	string	The name of the cookie to delete.

static escapeHtml(str) → {string}

code/utils.js, line 300

Escapes HTML special characters in a string.

Parameters:

Name	Type	Description
str	string	The string to escape.

Returns:

string -

The escaped string.

static escapeJS(str) → {string}

code/utils.js, line 287

Escapes special characters in a string for use in JavaScript. (for strings passed as parameters to html onclick="..." for example)

Parameters:

Name	Type	Description
str	string	The string to escape.

Returns:

string -

The escaped string.

static formatAgo(time, now, optionsopt) → {string}

code/utils.js, line 227

Formats the time difference between two timestamps (in milliseconds) as a string.

Parameters:

Name	Type	Attributes	Description
time	number		The past timestamp in milliseconds.
now	number		The current timestamp in milliseconds.
options	Object	<optional>	Options for formatting. Properties Name Type Attributes Default Description showSeconds boolean <optional> false Whether to include seconds in the result.

Returns:

string -

The formatted time difference (e.g., "45s", "5m", "2h 45m", "1d 3h 45m")

static formatDistance(distance) → {string}

code/utils.js, line 192

Formats a distance in meters, converting to kilometers with appropriate precision based on the distance range.

For distances:

• Under 1000m: shows in meters, rounded to whole numbers
• 1000m to 9999m: shows in kilometers with 1 decimal place
• 10000m and above: shows in whole kilometers

Parameters:

Name	Type	Description
distance	number	The distance in meters.

Returns:

string -

The formatted distance.

static formatInterval(seconds, maxTermsopt) → {string}

code/utils.js, line 170

Formats an interval of time given in seconds into a human-readable string.

Parameters:

Name	Type	Attributes	Description
seconds	number		The interval in seconds.
maxTerms	number	<optional>	The maximum number of time units to include.

Returns:

string -

The formatted time interval.

static formatNumber(num) → {string}

code/utils.js, line 84

Formats a number with thousand separators (thin spaces). see https://en.wikipedia.org/wiki/Space_(punctuation)#Table_of_spaces

Parameters:

Name	Type	Description
num	number	The number to format.

Returns:

string -

The formatted number with thousand separators.

static genFourColumnTable(blocks) → {string}

code/utils.js, line 348

Generates a four-column HTML table from an array of data blocks.

Parameters:

Name	Type	Description
blocks	Array	Array of data blocks, where each block is an array with details for one row.

Returns:

string -

HTML string representing the constructed table.

static getCookie(name) → {string|undefined}

code/utils.js, line 41

Retrieves the value of a cookie by name.

Parameters:

Name	Type	Description
name	string	The name of the cookie to retrieve.

Returns:

string | undefined -

The value of the cookie, or undefined if not found.

static getURLParam(param) → {string}

code/utils.js, line 28

Retrieves a parameter from the URL query string.

Parameters:

Name	Type	Description
param	string	The name of the parameter to retrieve.

Returns:

string -

The value of the parameter, or an empty string if not found.

static isPointInPolygon(polygon, point) → {boolean}

code/utils.js, line 463

Determines if a point is inside a polygon.

Parameters:

Name	Type	Description
polygon	Array.<L.LatLng>	The vertices of the polygon.
point	L.LatLng	The point to test.

Returns:

boolean -

True if the point is inside the polygon, false otherwise.

static isTouchDevice() → {boolean}

code/utils.js, line 263

Checks if the device is a touch-enabled device. Alias for L.Browser.touch()

Returns:

boolean -

True if the device is touch-enabled, otherwise false.

static prettyEnergy(nrg) → {string|number}

code/utils.js, line 319

Formats the energy of a portal, converting to "k" units if over 1000.

Parameters:

Name	Type	Description
nrg	number	The energy value to format.

Returns:

string | number -

The formatted energy value.

static scrollBottom(elm) → {number}

code/utils.js, line 273

Calculates the number of pixels left to scroll down before reaching the bottom of an element.

Parameters:

Name	Type	Description
elm	string | HTMLElement | jQuery	The element or selector to calculate the scroll bottom for.

Returns:

number -

The number of pixels from the bottom.

static setCookie(name, value, daysopt)

code/utils.js, line 59

Sets a cookie with a specified name and value, with a default expiration of 10 years.

Parameters:

Name	Type	Attributes	Default	Description
name	string			The name of the cookie.
value	string			The value of the cookie.
days	number	<optional>	3650	Optional: the number of days until the cookie expires (default is 10 years).

static textToTable(text) → {string}

code/utils.js, line 369

Converts text with newlines (\n) and tabs (\t) into an HTML table.

Parameters:

Name	Type	Description
text	string	The text to convert.

Returns:

string -

The resulting HTML table.

static uniqueArray(arr) → {Array}

code/utils.js, line 329

Converts a list of items into a unique array, removing duplicates.

Parameters:

Name	Type	Description
arr	Array	The array to process.

Returns:

Array -

A new array containing only unique elements.

static unixTimeToDateTimeString(time, millisecondopt) → {string|null}

code/utils.js, line 136

Converts a UNIX timestamp to a precise date and time string in the local timezone. Formatted in ISO-style YYYY-MM-DD hh:mm:ss.mmm - but using local timezone.

Parameters:

Name	Type	Attributes	Description
time	number		The UNIX timestamp to convert.
millisecond	boolean	<optional>	Whether to include millisecond precision.

Returns:

string | null -

The formatted date and time string.

static unixTimeToHHmm(time) → {string|null}

code/utils.js, line 157

Converts a UNIX timestamp to a time string formatted as HH:mm.

Parameters:

Name	Type	Description
time	number | string	The UNIX timestamp to convert.

Returns:

string | null -

Formatted time as HH:mm.

static unixTimeToString(timestamp, fullopt) → {string|null}

code/utils.js, line 110

Converts a UNIX timestamp to a human-readable string. If the timestamp is from today, returns the time (HH:mm:ss format); otherwise, returns the date (YYYY-MM-DD).

Parameters:

Name	Type	Attributes	Default	Description
timestamp	number | string			The UNIX timestamp in milliseconds to convert.
full	boolean	<optional>	false	If true, returns both date and time in "YYYY-MM-DD " format.

Returns:

string | null -

The formatted date and/or time string, or null if no timestamp provided.

static zeroPad(number, length) → {string}

code/utils.js, line 99

Pads a number with zeros up to a specified length.

Parameters:

Name	Type	Description
number	number	The number to pad.
length	number	The desired length of the output string.

Returns:

string -

The padded number as a string.