$$join

Joins an array of inputs as strings with an optional delimiter (default is ""). Null values are omitted.

Usage

{
  "$$join": [ /* values */ ],
  "delimiter": /* delimiter string */,
  "prefix": /* prefix string */,
  "suffix": /* suffix string */
}

"$$join([delimiter],[prefix],[suffix]):{input}"

Returns

string

Arguments

Argument	Type	Values	Required / Default Value	Description
Primary	array		Yes	Array of elements
delimiter	string		""	Delimiter to join any 2 adjacent elements
prefix	string		""	A string to prefix the result
suffix	string		""	A string to suffix the result

Examples

Input

Definition

Output

["a", null, null, "B"]

{ "$$join": "$" }

"aB"

["Hello", "World"]

{ "$$join": "$", "delimiter": " " }

"Hello World"

["Hello", "World"]

{ "$$join": "$", "delimiter": " ", "prefix": "<" }

"<Hello World"

["Hello", "World"]

{ "$$join": "$", "delimiter": " ", "prefix": "<", "suffix": ">" }

"<Hello World>"

["a","b"]

"$$join:$"

"ab"

["a","b"]

"$$join(','):$"

"a,b"

["hello","world"]

"$$join( ,<):$"

"<hello world"

["hello","world"]

"$$join( ,<,>):$"

"<hello world>"