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babel-plugin-minify-dead-code-elimination

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babel-plugin-minify-dead-code-elimination

Inlines bindings when possible. Tries to evaluate expressions and prunes unreachable as a result.

  • 0.5.2
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What is babel-plugin-minify-dead-code-elimination?

The babel-plugin-minify-dead-code-elimination package is a Babel plugin that helps in removing dead code from your JavaScript files. This can significantly reduce the size of your code by eliminating code that is never executed, such as unreachable code, unused variables, and functions.

What are babel-plugin-minify-dead-code-elimination's main functionalities?

Remove Unreachable Code

This feature removes code that is never executed. In the example, the `if` block will be removed because the condition is always false.

const condition = false;
if (condition) {
  console.log('This will never be logged');
}

Remove Unused Variables

This feature removes variables that are declared but never used. In the example, `unusedVar` will be removed because it is never used.

const unusedVar = 42;
const usedVar = 24;
console.log(usedVar);

Remove Unused Functions

This feature removes functions that are declared but never called. In the example, `unusedFunction` will be removed because it is never called.

function unusedFunction() {
  return 'I am not used';
}
function usedFunction() {
  return 'I am used';
}
console.log(usedFunction());

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Package last updated on 06 May 2022

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