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find-conditional-comments

v0.0.6

Published

Finds all conditional comments in a string

Downloads

1,350

Readme

find-conditional-comments

Finds all conditional comments in a string

codecov npm package Twitter Follow

Install

$ npm install find-conditional-comments

Usage

const findConditionalComments = require('find-conditional-comments');

const html = `
<!--[if mso]>
Hello, Microsoft Outlook!
<![endif]-->
`

findConditionalComments(html);
//=> [ { open: "<!--[if mso]>", close: "<![endif]-->", range: [1, 63], downlevel: "hidden" } ]

API

findConditionalComments(html)

Returns an Array of Objects for each comment with the following properties:

isComment

boolean

Whether the comment is an HTML comment. This might be false for certain items when downlevel is revealed.

open

String

Opening portion of the conditional comment.

close

String

Closing portion of the conditional comment.

bubble

boolean

Whether the comment "bubbles" around the value.

When true, the comment is visible to all platforms except those that support conditional comments.

<!--[if !mso]>-->
Hello, Not Microsoft Outlook!
<!--<![endif]-->

When false, the comment is hidden from all platforms except those that support conditional comments.

<!--[if mso]>
Hello, Microsoft Outlook!
<![endif]-->

downlevel

String

Either hidden or revealed.

hidden means the comment is hidden from all platforms except those that support conditional comments.

revealed means the comment is visible to all platforms except those that support conditional comments.

This is very similar to the bubble property, but it's not the same.

downlevel always be revealed if bubble is true.

But bubble can be true even if downlevel is hidden when using this syntax:

<![if lt IE 8]>
<p>Please upgrade to Internet Explorer version 8.</p>
<![endif]>

Learn more.

range

Array

A range array containing the start and end indices of the comment.

Related