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chg: [scopedCSS] Added more doc and allow having scoped and not scoped 

mix
pull/5707/head
mokaddem 2020-03-20 08:37:53 +01:00
parent ac678e7e48
commit f92f09d80f
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1 changed files with 22 additions and 2 deletions
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24
app/View/Helper/ScopedCSSHelper.php
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@ -30,7 +30,27 @@ App::uses('AppHelper', 'View/Helper');
/**
* Replace a declared CSS scoped style and prepend a random CSS data filter to any CSS selector discovered
* Replace a declared CSS scoped style and prepend a random CSS data filter to any CSS selector discovered.
* Usage: Add the following style tag `<style widget-scoped>` to use the scoped feature. Nearly every selector path will have their rule modified to adhere to the scope
* Restrictions:
* - Applying class to the root document (i.e. `body`) will not work
* - Selector rules must end with either `{` or `,`, their content MUST be put in a new line:
* [bad]
* element { ... }
* [good]
* element {
* ...
* }
* - Selectors with the `and` (`,`) rule MUST be split in multiple lines:
* [bad]
* element,element {
* ...
* }
* [good]
* element,
* element {
* ...
* }
* @param string $param1 HTML potentially containing scoped CSS
* @return array Return an array composed of 3 keys (html, css and seed)
* - bundle: Include both scoped HTML and scoped CSS or the original html if the scoped feature is not requested
@ -50,7 +70,7 @@ App::uses('AppHelper', 'View/Helper');
$htmlStyleTag = "<style widget-scoped>";
$styleClosingTag = "</style>";
$styleTagIndex = strpos($html, $htmlStyleTag);
$closingStyleTagIndex = strpos($html, $styleClosingTag) + strlen($styleClosingTag);
$closingStyleTagIndex = strpos($html, $styleClosingTag, $styleTagIndex) + strlen($styleClosingTag);
if ($styleTagIndex !== false && $closingStyleTagIndex !== false && $closingStyleTagIndex > $styleTagIndex) { // enforced scoped css
$seed = rand();
$css = substr($html, $styleTagIndex, $closingStyleTagIndex);