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Code blocks should be editable after saving the post and reloading the editor #15780

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Code blocks should be editable after saving the post and reloading the editor #15780

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1e85f2b
Fixes bug that prevents code block from being re-edited
May 22, 2019
1ac7cfa
Unescapes `<` and `>` characters (so that “load” works), but doesn't …
May 23, 2019
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2 changes: 1 addition & 1 deletion packages/block-library/src/code/block.json
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
"attributes": {
"content": {
"type": "string",
"source": "text",
"source": "html",
"selector": "code"
}
}
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5 changes: 5 additions & 0 deletions packages/block-library/src/code/test/utils.js
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Expand Up @@ -38,6 +38,11 @@ describe( 'core/code', () => {
expect( text ).toBe( '&' );
} );

it( 'should unescape escaped less than and greater than characters', () => {
const text = unescape( '&lt;button&gt;Click&lt;/button>' );
expect( text ).toBe( '<button>Click</button>' );
} );

it( 'should unescape escaped opening square brackets', () => {
const text = unescape( '&#91;shortcode]&#91;/shortcode]' );
expect( text ).toBe( '[shortcode][/shortcode]' );
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13 changes: 13 additions & 0 deletions packages/block-library/src/code/utils.js
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Expand Up @@ -27,6 +27,7 @@ export function unescape( content ) {
return flow(
unescapeProtocolInIsolatedUrls,
unescapeOpeningSquareBrackets,
unescapeTagDelimiters,
unescapeAmpersands
)( content || '' );
}
Expand Down Expand Up @@ -54,6 +55,18 @@ function unescapeAmpersands( content ) {
return content.replace( /&amp;/g, '&' );
}

/**
* Returns the given content with all &lt; and &gt; HTML entities converted
* into < and >, respectively.
*
* @param {string} content The content of a code block.
* @return {string} The given content with all &lt; and &gt; HTML entities
* converted into < and >, respectively
*/
function unescapeTagDelimiters( content ) {
return content.replace( /&lt;/g, '<' ).replace( /&gt;/g, '>' );
}

/**
* Returns the given content with all opening shortcode characters converted
* into their HTML entity counterpart (i.e. [ => &#91;). For instance, a
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