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Try consolidating some of the copy and paste behaviour
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89 changes: 89 additions & 0 deletions
89
packages/block-editor/src/components/writing-flow/utils.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { __unstableStripHTML as stripHTML } from '@wordpress/dom'; | ||
| import { | ||
| serialize, | ||
| createBlock, | ||
| pasteHandler, | ||
| findTransform, | ||
| getBlockTransforms, | ||
| } from '@wordpress/blocks'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import { getPasteEventData } from '../../utils/pasting'; | ||
|
|
||
| export function setClipboardBlocks( event, blocks ) { | ||
| let _blocks = blocks; | ||
| const wrapperBlockName = event.clipboardData.getData( | ||
| '__unstableWrapperBlockName' | ||
| ); | ||
|
|
||
| if ( wrapperBlockName ) { | ||
| _blocks = createBlock( | ||
| wrapperBlockName, | ||
| JSON.parse( | ||
| event.clipboardData.getData( | ||
| '__unstableWrapperBlockAttributes' | ||
| ) | ||
| ), | ||
| _blocks | ||
| ); | ||
| } | ||
|
|
||
| const serialized = serialize( _blocks ); | ||
|
|
||
| event.clipboardData.setData( 'text/plain', toPlainText( serialized ) ); | ||
| event.clipboardData.setData( 'text/html', serialized ); | ||
| } | ||
|
|
||
| export function getPasteBlocks( event, canUserUseUnfilteredHTML ) { | ||
| const { plainText, html, files } = getPasteEventData( event ); | ||
| let blocks = []; | ||
|
|
||
| if ( files.length ) { | ||
| const fromTransforms = getBlockTransforms( 'from' ); | ||
| blocks = files | ||
| .reduce( ( accumulator, file ) => { | ||
| const transformation = findTransform( | ||
| fromTransforms, | ||
| ( transform ) => | ||
| transform.type === 'files' && | ||
| transform.isMatch( [ file ] ) | ||
| ); | ||
| if ( transformation ) { | ||
| accumulator.push( transformation.transform( [ file ] ) ); | ||
| } | ||
| return accumulator; | ||
| }, [] ) | ||
| .flat(); | ||
| } else { | ||
| blocks = pasteHandler( { | ||
| HTML: html, | ||
| plainText, | ||
| mode: 'BLOCKS', | ||
| canUserUseUnfilteredHTML, | ||
| } ); | ||
| } | ||
|
|
||
| return blocks; | ||
| } | ||
|
|
||
| /** | ||
| * Given a string of HTML representing serialized blocks, returns the plain | ||
| * text extracted after stripping the HTML of any tags and fixing line breaks. | ||
| * | ||
| * @param {string} html Serialized blocks. | ||
| * @return {string} The plain-text content with any html removed. | ||
| */ | ||
| function toPlainText( html ) { | ||
| // Manually handle BR tags as line breaks prior to `stripHTML` call | ||
| html = html.replace( /<br>/g, '\n' ); | ||
|
|
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| const plainText = stripHTML( html ).trim(); | ||
|
|
||
| // Merge any consecutive line breaks | ||
| return plainText.replace( /\n\n+/g, '\n\n' ); | ||
| } |