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remove unnecessary "use strict"; literal for node.
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remove-use-strict Build Status

This node module remove unnecessary "use strict"; literal.

Unnecessary "use strict"; ?

A Use Strict Directive is an ExpressionStatement in a Directive Prologue whose StringLiteral is either the exact character sequences "use strict" or 'use strict'. A Use Strict Directive may not contain an EscapeSequence or LineContinuation.

A Directive Prologue is the longest sequence of ExpressionStatement productions occurring as the initial SourceElement productions of a Program or FunctionBody and where each ExpressionStatement in the sequence consists entirely of a StringLiteral token followed a semicolon. The semicolon may appear explicitly or may be inserted by automatic semicolon insertion. A Directive Prologue may be an empty sequence.

via ECMAScript Language Specification - ECMA-262 Edition 5.1

and "use strict" - blog.niw.at

This module remove "use strict"; which isn't delective prologue.

(also has force option)

Installation

npm install remove-use-strict

Task

Usage

var removeUst = require("remove-use-strict");
var code = 'var a = 1;\n' +
    '"use strict";\n"use strict";';// unnecessary use strict...
removeUst(code); // => 'var a = 1;'

force option : true

var removeUst = require("remove-use-strict");
var code = '"use strict";\n' +
    'function a(){ "use strict"; \n var a = "use strict"; }';
removeUst(code, {
    force : true
}) // => "function a() {\n    var a = 'use strict';\n}"

Contributing

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D

License

MIT

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