A complete JSON minifier that takes a formatted string and removes all non-essential whitespace.

ID: 1383

See: Project: Building a JSON Formatter and Minifier 
				
					using uCalcSoftware;

var uc = new uCalc();
using (var t = new uCalc.Transformer()) {
   // 1. Define rules to remove whitespace and newlines.
   // The engine's default QuoteSensitive=true ensures whitespace inside strings is protected.
   t.FromTo("{@Whitespace}", "");
   t.FromTo("{@Newline}", "");

   // 2. Define the formatted input string.
   var formattedJson = """
{
  "id": 123,
  "name": "Example, with spaces",
  "tags": [
    "A",
    "B"
  ]
}
""";

   // 3. Run the transformation and print the result.
   Console.WriteLine(t.Transform(formattedJson));
}
				
			
{"id":123,"name":"Example, with spaces","tags":["A","B"]}
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					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   {
      uCalc::Transformer t;
      t.Owned(); // Causes t to be released when it goes out of scope
      // 1. Define rules to remove whitespace and newlines.
      // The engine's default QuoteSensitive=true ensures whitespace inside strings is protected.
      t.FromTo("{@Whitespace}", "");
      t.FromTo("{@Newline}", "");

      // 2. Define the formatted input string.
      auto formattedJson = R"({
  "id": 123,
  "name": "Example, with spaces",
  "tags": [
    "A",
    "B"
  ]
})";

      // 3. Run the transformation and print the result.
      cout << t.Transform(formattedJson) << endl;
   }
}
				
			
{"id":123,"name":"Example, with spaces","tags":["A","B"]}
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					Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      Using t As New uCalc.Transformer()
         '// 1. Define rules to remove whitespace and newlines.
         '// The engine's default QuoteSensitive=true ensures whitespace inside strings is protected.
         t.FromTo("{@Whitespace}", "")
         t.FromTo("{@Newline}", "")
         
         '// 2. Define the formatted input string.
         Dim formattedJson = "{
  ""id"": 123,
  ""name"": ""Example, with spaces"",
  ""tags"": [
    ""A"",
    ""B""
  ]
}"
         
         '// 3. Run the transformation and print the result.
         Console.WriteLine(t.Transform(formattedJson))
      End Using
   End Sub
End Module
				
			
{"id":123,"name":"Example, with spaces","tags":["A","B"]}
Explore 600+ other examples