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@igor.dvlpr/comment-it

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Readme

/* CommentIt! */

📜 Formats the provided string as a comment, either a single or a multi line comment for the given programming language. 💻

🌍 40 languages are currently supported. 🎤

Usage

Install it by running,

npm i "@igor.dvlpr/comment-it"

API

supportsLanguage()

supportsLanguage(id: string): boolean

Returns whether the given language formatter is supported, case-insensitive.

Supported identifiers are: batch, coffeeScript, c, cpp, cSharp, css, dart, delphi, dockerFile, fSharp, go, groovy, html, java, javaScript, jsx, kotlin, lua, objectiveC, objectiveCpp, matlab, pascal, perl, php, powerShell, pug, python, r, razor, ruby, rust, scala, shellScript, sql, swift, typeScript, vue, vueHtml, visualBasic, xml.

comment

An object where all formatters are stored.

comment's formatters:

comment.batch - Batch,
comment.c - C,
comment.coffeeScript - CoffeeScript,
comment.cpp - C++,
comment.cSharp - C#,
comment.css - CSS,
comment.dart - Dart,
comment.delphi - Delphi,
comment.dockerFile - Dockerfile,
comment.fSharp - F#,
comment.go - Go,
comment.groovy - Groovy,
comment.html - HTML,
comment.java - Java,
comment.javaScript - JavaScript,
comment.jsx - JSX,
comment.kotlin - Kotlin,
comment.lua - Lua,
comment.matlab - MATLAB,
comment.objectiveC - Objective-C,
comment.objectiveCpp - Objective-C++,
comment.pascal - Pascal,
comment.perl - Perl,
comment.php - PHP,
comment.powerShell - PowerShell,
comment.pug - Pug/Jade,
comment.python - Python,
comment.r - R,
comment.razor - Razor,
comment.ruby - Ruby,
comment.rust - Rust,
comment.scala - Scala,
comment.shellScript - ShellScript,
comment.sql - SQL,
comment.swift - Swift,
comment.typeScript - TypeScript,
comment.visualBasic - VisualBasic,
comment.vue - Vue,
comment.vueHtml - VueHtml,
comment.xml - XML.

Each formatter exposes two functions, single() for single-line comments and multi() for multi-line comments.

single()

single(value: string): string

Returns a single-line comment formatted for the selected language.

multi()

multi(value: string): string

Returns a multi-line comment formatted for the selected language.

Examples

const { comment, supportsLanguage } = require('@igor.dvlpr/comment-it')
const singleLine = 'hello world'
const multiLine = `hello


world

this is a test`

console.log(comment.javaScript.single(singleLine)) // prints '// hello world'

console.log(comment.jsx.single(singleLine)) // prints '{/* hello world */}'

console.log(comment.coffeeScript.multi(multiLine)) // prints '###\nhello\n\n\nworld\n\nthis is a test\n###'

// note: new lines in the example results are written as-is for brevity

console.log(supportsLanguage('lua')) // prints true
console.log(supportsLanguage('TYPEscript')) // prints true
console.log(supportsLanguage('foo')) // prints false