Duplicate Literals Removal

Description

Duplicate Literals Removal replaces duplicate literals with a variable name.

Code Annotation Example

// @jscrambler enable duplicateLiteralsRemoval

Example

Consider the following example:

var foo = "http://www.example.xyz";
bar("http://www.example.xyz");

All occurrences of the string literal "http://www.example.xyz" have been replaced with a single variable name.

var a = "http://www.example.xyz";
var foo = a;
bar(a);

Option Types

Name	Required	Default Value	Description
mode	No	[]	Transformation Modes

Mode

Name	Description
optimization	Duplicate Literals Removal will only take action when replacing is worth, meaning that if the result would become bigger the transformation is not applied.

Browser Compatibility

Browser	Compatible Versions	Tested Versions	Notes
Chrome	80+	80+
Firefox	90+	90+
Internet Explorer	8+	8+
Microsoft Edge	116+	116+
Safari	13.1+	13.1+

API Parameters

Example:

{
  "keys": {
    "accessKey": "XXXXXX",
    "secretKey": "YYYYYY"
  },
  "applicationId": "ZZZZZZ",
  "params": [
    {
      "name": "duplicateLiteralsRemoval",
      "options": {
        "mode": []
      }
    }
  ]
}