HTML Transform: Erronous HTML Table Parsing

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評価

難易度
3/5
見積もり時間
1〜2日
初心者へのやさしさ
48/100
issue の種類
バグ
明瞭さ
おおむね明確
活発さ
停滞
技術スタック
html, markdown, node.js, typescript
領域
backend, web-dev

調査の方向性

The reproduction uses @accordproject/markdown-cli with HTML input and Markdown output; start by tracing the HTML table transformation and its tests in the repository. Reproduce the caption case with the provided Wikimedia table, then verify the output forms a valid Markdown table with the caption and all rows preserved.

索引モデルが issue の本文から書いたものです。

説明

Stale

Bug Report 🐛

Whenever a html table is defined with a caption, the transformation to Markdown yields to an invalid md table.

Expected Behavior

The following html table,

<table>
<caption>Average monthly active recipients of the service, in the EU region over prior 6 months (est.)
</caption>
<tbody><tr>
<th>
</th>
<th>Aug. 2022 - Jan. 2023
</th>
<th>Feb. 2023 - July 2023
</th></tr>
<tr>
<td>Wikibooks
</td>
<td>6,919,000
</td>
<td>1,611,000
</td></tr>
<tr>
<td>Wikidata
</td>
<td>1,056,000
</td>
<td>1,051,000
</td></tr>
<tr>
<td>Wikimedia Commons
</td>
<td>2,845,000
</td>
<td>3,272,000
</td></tr>
<tr>
<td>Wikinews
</td>
<td>6,283,000
</td>
<td>1,035,000
</td></tr>
<tr>
<td>Wikipedia
</td>
<td><b>151,556,000</b>
</td>
<td><b>151,088,000</b>
</td></tr>
<tr>
<td>Wikiquote
</td>
<td>6,811,000
</td>
<td>1,548,000
</td></tr>
<tr>
<td>Wikisource
</td>
<td>7,106,000
</td>
<td>1,845,000
</td></tr>
<tr>
<td>Wikispecies
</td>
<td>29,000
</td>
<td>37,000
</td></tr>
<tr>
<td>Wikiversity
</td>
<td>6,360,000
</td>
<td>1,082,000
</td></tr>
<tr>
<td>Wikivoyage
</td>
<td>616,000
</td>
<td>632,000
</td></tr>
<tr>
<td>Wiktionary
</td>
<td>8,955,000
</td>
<td>8,425,000
</td></tr>
<tr>
<td><i><span style="color: gray; white-space: pre-wrap">Est. devices per person</span></i>
</td>
<td>2.4<sup id="cite_ref-Cisco_1-0" class="reference"><a href="#cite_note-Cisco-1">&#91;1&#93;</a></sup>
</td>
<td>2.4<sup id="cite_ref-Cisco_1-1" class="reference"><a href="#cite_note-Cisco-1">&#91;1&#93;</a></sup>
</td></tr></tbody></table>

Shall be parsed in the following valid markdown,

|     |     |     |
| --- | --- | --- |  
Average monthly active recipients of the service, in the EU region over prior 6 months (est.)
|     | Aug. 2022 - Jan. 2023 | Feb. 2023 - July 2023 |
| Wikibooks | 6,919,000 | 1,611,000 |
| Wikidata | 1,056,000 | 1,051,000 |
| Wikimedia Commons | 2,845,000 | 3,272,000 |
| Wikinews | 6,283,000 | 1,035,000 |
| Wikipedia | **151,556,000** | **151,088,000** |
| Wikiquote | 6,811,000 | 1,548,000 |
| Wikisource | 7,106,000 | 1,845,000 |
| Wikispecies | 29,000 | 37,000 |
| Wikiversity | 6,360,000 | 1,082,000 |
| Wikivoyage | 616,000 | 632,000 |
| Wiktionary | 8,955,000 | 8,425,000 |
|     | 2.4[\[1\]](#cite_note-Cisco-1) | 2.4[\[1\]](#cite_note-Cisco-1) |

Which parses into a valid Markdown table:
Average monthly active recipients of the service, in the EU region over prior 6 months (est.)
Aug. 2022 - Jan. 2023 Feb. 2023 - July 2023
Wikibooks 6,919,000 1,611,000
Wikidata 1,056,000 1,051,000
Wikimedia Commons 2,845,000 3,272,000
Wikinews 6,283,000 1,035,000
Wikipedia 151,556,000 151,088,000
Wikiquote 6,811,000 1,548,000
Wikisource 7,106,000 1,845,000
Wikispecies 29,000 37,000
Wikiversity 6,360,000 1,082,000
Wikivoyage 616,000 632,000
Wiktionary 8,955,000 8,425,000
2.4[1] 2.4[1]

Current Behavior

Given the previous html table, including a caption, the tool transform the html into the following markdown content,

Average monthly active recipients of the service, in the EU region over prior 6 months (est.)
|  | Aug. 2022 - Jan. 2023
 | Feb. 2023 - July 2023
 |
| Wikibooks
 | 6,919,000
 | 1,611,000
 |
| Wikidata
 | 1,056,000
 | 1,051,000
 |
| Wikimedia Commons
 | 2,845,000
 | 3,272,000
 |
| Wikinews
 | 6,283,000
 | 1,035,000
 |
| Wikipedia
 | 151,556,000 | 151,088,000 |
| Wikiquote
 | 6,811,000
 | 1,548,000
 |
| Wikisource
 | 7,106,000
 | 1,845,000
 |
| Wikispecies
 | 29,000
 | 37,000
 |
| Wikiversity
 | 6,360,000
 | 1,082,000
 |
| Wikivoyage
 | 616,000
 | 632,000
 |
| Wiktionary
 | 8,955,000
 | 8,425,000
 |
| Est. devices per person | 2.4[[1]](#cite_note-Cisco-1 "") | 2.4[[1]](#cite_note-Cisco-1 "") |

Which is an invalid md table:

Average monthly active recipients of the service, in the EU region over prior 6 months (est.)
| | Aug. 2022 - Jan. 2023
| Feb. 2023 - July 2023
|
| Wikibooks
| 6,919,000
| 1,611,000
|
| Wikidata
| 1,056,000
| 1,051,000
|
| Wikimedia Commons
| 2,845,000
| 3,272,000
|
| Wikinews
| 6,283,000
| 1,035,000
|
| Wikipedia
| 151,556,000 | 151,088,000 |
| Wikiquote
| 6,811,000
| 1,548,000
|
| Wikisource
| 7,106,000
| 1,845,000
|
| Wikispecies
| 29,000
| 37,000
|
| Wikiversity
| 6,360,000
| 1,082,000
|
| Wikivoyage
| 616,000
| 632,000
|
| Wiktionary
| 8,955,000
| 8,425,000
|
| Est. devices per person | 2.4[1] | 2.4[1] |

Steps to Reproduce

  1. npm install -g @accordproject/markdown-cli
  2. wget https://foundation.wikimedia.org/wiki/Legal:EU_DSA_Userbase_Statistics --output-file test.html
  3. markus transform --from html --to markdown --input test.html --output test.md
  4. Open test.md using a md parser to visiualise the invalid table parsing.

Context (Environment)

Parsing HTML to Markdown for web archiving.

Desktop
主要言語
TypeScript
スター
86
フォーク
69
平均マージ
6分
マージ済み PR（30日）
3

環境構築

はじめの一歩

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  2. 着手することを issue にコメントします — 二人が同じ作業をするのを防げます。
  3. リポジトリをフォークし、ブランチを切って変更します。
  4. issue 番号を参照したプルリクエストを送ります。

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