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import apiFetch from '@wordpress/api-fetch'; |
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import { parse } from '@wordpress/block-serialization-default-parser'; |
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|
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export default async ({ postId, postType }) => { |
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const type = postType === 'page' ? 'pages' : 'posts'; |
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const response = await apiFetch({ |
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path: `/wp/v2/${type}/${postId}?context=edit`, |
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}); |
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const blocks = parse(response.content.raw); |
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const postStrings = [response.title.raw, ...extractTextFromBlocks(blocks)]; |
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|
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return { post_strings: dedupeStrings(postStrings) }; |
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}; |
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|
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const newSet = (arr) => new Set(arr.filter(Boolean)); |
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const dedupeStrings = (arr) => [...newSet(arr)]; |
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|
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const stripHtml = (html) => |
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html |
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.replace(/<[^>]+>/g, '') |
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.replace(/\s+/g, ' ') |
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.trim(); |
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|
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// Handles image stuff |
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const extractAltAndTitleFromHtml = (html) => { |
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const matches = []; |
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const altMatch = html.match(/alt="([^"]*)"/); |
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if (altMatch?.[1]) matches.push(altMatch[1].trim()); |
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const titleMatch = html.match(/title="([^"]*)"/); |
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if (titleMatch?.[1]) matches.push(titleMatch[1].trim()); |
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return matches; |
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}; |
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|
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const extractTextFromBlocks = (blocks) => { |
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if (!blocks || blocks.length === 0) return []; |
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return blocks.flatMap((block) => [ |
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// Extract from innerContent (rendered HTML) |
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...(block.innerContent |
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? block.innerContent |
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.filter(Boolean) |
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.flatMap((html) => [ |
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stripHtml(html), |
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...extractAltAndTitleFromHtml(html), |
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]) |
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.filter(Boolean) |
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: []), |
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// Extract from relevant string attributes |
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...['content', 'caption', 'alt', 'title', 'value'] |
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.map((key) => |
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typeof block.attrs?.[key] === 'string' ? block.attrs[key].trim() : null, |
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) |
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.filter(Boolean), |
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// Recurse into innerBlocks |
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...extractTextFromBlocks(block.innerBlocks || []), |
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]); |
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}; |
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