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acorn-strip-comments

Strip code comments from a string, using acorn javascript parser.

Install

npm i acorn-strip-comments --save

Usage

For more use-cases see the tests

const acornStripComments = require('acorn-strip-comments')

acornStripComments

Strip all code comments, but not these that are marked as "ignored" like (//! and /*!).
Pass opts.preserve: false to remove even them.

Params

• <input> {String}: string from which to get comments
• [opts] {Object}: optional options, passed to acorn-extract-comments and acorn
  • ast {Boolean}: if true the ast is added to the resulting array
  • line {Boolean}: if false get only block comments, default true
  • block {Boolean}: if false get line comments, default true
  • ignore {Function}: check function, default check comment starts with !
  • preserve {Boolean}: if true keep comments that are ignored (that pass the opts.ignore check)
  • locations {Boolean}: if true result will include acorn/esprima format comment location object
  • ecmaVersion {Number}: defaults to 6, acorn parsing version
• returns {String}: modified string

Example

const fs = require('fs')
const strip = require('acorn-strip-comments')

const str = fs.readFileSync('./index.js', 'utf8')
const output = strip(str, {})
// => modified and cleaned string

.line

Remove only line comments.

Params

• <input> {String}: string from which to get comments
• [opts] {Object}: optional options, passed to acorn-extract-comments and acorn
• returns {String}: modified string

Examples

const output = strip(str, {block: false})
// => modified and cleaned string

or through method

const output = strip.line(str)
// => modified and cleaned string

.block

Remove only block comments.

Params

• <input> {String}: string from which to get comments
• [opts] {Object}: optional options, passed to acorn-extract-comments and acorn
• returns {String}: modified string

Examples

const output = strip(str, {line: false})
// => modified and cleaned string

or through method

const output = strip.block(str)
// => modified and cleaned string

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.

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