parse-html-comments

Get html-formatted comments and some associated metadata from a string

Installation

npm install parse-html-comments
 
yarn add parse-html-comments

Include Module

May be imported with ES6 import or Node require syntax.

import parseComments from 'parse-html-comments'
/* or */
const parseComments = require('parse-html-comments')

API

(input: string) => CommentData

Function, accepts a string - the text to be searched - as its only parameter.

Returns CommentData

const parseComments = require('parse-html-comments')
 
parseComments(/* some string ... */) // => CommentData

setNewline: Function (char: string) => void

Configure the function to use a different delimiter for line splitting and counting.

Default is \n

const parseComments = require('parse-html-comments')
 
parseComments.setNewline('\r\n')
console.log(parseComments.newline) // => '\r\n'
 
parseComments(/* some string ... */) // => CommentData

newline (property: string)

Retrieve the newline character that will be used.

Types

CommentData: Object

 
interface CommentData {
  input: string
  newlineChar: string
  lineCount: number
  charCount: number
  matches: Array<CommentDescriptor>
}
 

CommentData Properties

• input : The full JSON-escaped text content passed to the function
• newlineChar : The newline character used during execution
• lineCount : Total number of \ns in the input string ( + 1 )
• charCount : Value of the length property of the input string
• matches : The match data. See below.

CommentDescriptor: Object

 
interface CommentDescriptor {
  groups: {
    whole: string
    commentOnly: string
    lines: {
      whole: string[]
      commentOnly: string[]
    }
  }
  column: {
    start: number
    end: number
  }
  line: {
    start: number
    end: number
  }
  inline: null|{
    pre: string|null
    post: string|null
  }
}
 

CommentDescriptor Properties

• groups.
  • whole : The entire matched text, including preceding and following non-comment text one the start or end lines (if any).
  • commentOnly : Only the comment text
  • lines
    • whole : The value of groups.whole, split along the newline character into a string array.
    • commentOnly : The value of groups.commentOnly, split along the newline character into a string array.
• column.
  • start: Inclusive start index of whole match.
• column.
  • end : Non-inclusive end index of whole match.
• line.
  • start : Line number the match begins on (1-based)
• line.
  • end : Line number the match ends on.
• inline : If no text precedes the comment on the starting line or follows the comment on the end line, this property is null. If one of those conditions are true, then the value is an object with properties:
  • pre Either null, or a string of text corresponding to the pre-comment text.
  • post Either null, or a string of text corresponding to the post-comment text.

Dependencies

None

License

MIT