Bug: Link Unfurl > No text is shown in the preview if the first content block isn't text · mattermost-community/focalboard#1628

2021-10-22T16:52:20.000Z

## Steps to reproduce the behavior 1. Go Boards and create a card 2. Add an image content block on the top 3. Add a text content block below it and fill it with text 4. Copy a link to the card and post it in channels 5. Note that no text is shown in the preview because it fetches the text from the first content block ## Expected behavior Text from the text content block should be shown in the preview ## Edition and Platform - Edition: Mattermost plugin - Version: main - Browser and OS: Chrome on Windows

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描述

Steps to reproduce the behavior

Go Boards and create a card
Add an image content block on the top
Add a text content block below it and fill it with text
Copy a link to the card and post it in channels
Note that no text is shown in the preview because it fetches the text from the first content block

Expected behavior

Text from the text content block should be shown in the preview

Edition and Platform

Edition: Mattermost plugin
Version: main
Browser and OS: Chrome on Windows

貢獻者指南

技術棧: typescriptreact
領域: frontend
議題類型: bug
難度: 3
預計時間: 1-3 hours
活動狀態: stale
清晰度: mostly clear
前置要求: Basic understanding of ReactFamiliarity with Focalboard's card rendering
新手友善度: 65
研究方向: Investigate how link unfurl previews extract text from cards. Focus on the preview generation logic, likely in the frontend code. Look for functions that build the preview content from the card's content blocks. The issue states that the first block is used; you need to find where that selection happens and modify it to search for the first text block instead. Check for any utility that extracts text content from blocks, possibly in a file related to card previews or link sharing.