7.2 KiB
strip-comments
Strip comments from code. Removes line comments, block comments, the first comment only, or all comments. Optionally leave protected comments unharmed.
Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your ❤️ and support.
(TOC generated by verb using markdown-toc)
Install
Install with npm:
$ npm install --save strip-comments
Usage
By default all comments are stripped.
const strip = require('strip-comments');
const str = strip('const foo = "bar";// this is a comment\n /* me too *\/');
console.log(str);
// => 'const foo = "bar";\n'
For more use-cases see the tests
API
strip
Strip all code comments from the given input
, including protected comments that start with !
, unless disabled by setting options.keepProtected
to true.
Params
input
{String}: string from which to strip commentsoptions
{Object}: optional options, passed to extract-commentsreturns
{String}: modified input
Options
line
{Boolean}: iffalse
strip only block comments, defaulttrue
block
{Boolean}: iffalse
strip only line comments, defaulttrue
keepProtected
{Boolean}: Keep ignored comments (e.g./*!
,/**!
and//!
)preserveNewlines
{Boolean}: Preserve newlines after comments are stripped
Example
const str = strip('const foo = "bar";// this is a comment\n /* me too */');
console.log(str);
// => 'const foo = "bar";'
.block
Strip only block comments.
Params
input
{String}: string from which to strip commentsoptions
{Object}: passopts.keepProtected: true
to keep ignored comments (e.g./*!
)returns
{String}: modified string
Example
const strip = require('..');
const str = strip.block('const foo = "bar";// this is a comment\n /* me too */');
console.log(str);
// => 'const foo = "bar";// this is a comment'
.line
Strip only line comments.
Params
input
{String}: string from which to strip commentsoptions
{Object}: passopts.keepProtected: true
to keep ignored comments (e.g.//!
)returns
{String}: modified string
Example
const str = strip.line('const foo = "bar";// this is a comment\n /* me too */');
console.log(str);
// => 'const foo = "bar";\n/* me too */'
.first
Strip the first comment from the given input
. Or, if opts.keepProtected
is true, the first non-protected comment will be stripped.
Params
input
{String}options
{Object}: passopts.keepProtected: true
to keep comments with!
returns
{String}
Example
const output = strip.first(input, { keepProtected: true });
console.log(output);
// => '//! first comment\nfoo; '
About
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Running Tests
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm test
Building docs
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verb
Related projects
You might also be interested in these projects:
- babel-extract-comments: Uses babel (babylon) to extract JavaScript code comments from a JavaScript string or file. | homepage
- code-context: Parse a string of javascript to determine the context for functions, variables and comments based… more | homepage
- extract-comments: Uses esprima to extract line and block comments from a string of JavaScript. Also optionally… more | homepage
- parse-code-context: Parse code context in a single line of javascript, for functions, variable declarations, methods, prototype… more | homepage
- parse-comments: Parse code comments from JavaScript or any language that uses the same format. | homepage
Contributors
Commits | Contributor |
---|---|
59 | jonschlinkert |
4 | charlike-old |
2 | mk-pmb |
1 | kgryte |
1 | epicoxymoron |
Author
Jon Schlinkert
License
Copyright © 2018, Jon Schlinkert. Released under the MIT License.
This file was generated by verb-generate-readme, v0.6.0, on March 24, 2018.