Placeholder like {name} is missing if placed at the end of sentence after transform

[dgaponov]

Package version

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Node version

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Platform

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What steps will reproduce the bug?

I encountered an issue when using @diplodoc/transform. If I use a placeholder like {name} at the end of a sentence, it disappears after running the transform function.

Example input:

Hello {name}

Expected output:

<p>Hello {name}</p>

Actual output:

<p>Hello</p>

I tried the same sample with markdown-it and there this issue does not occur — the placeholder is preserved.

Why does this happen?
Is this a known limitation of @diplodoc/transform? Could you please clarify the reason for this behavior?

Steps to reproduce:

const message = 'Hello {name}';
const result = transform(message).result.html;

console.log(result); // Output will be '<p>Hello</p>'

Additional context:

It feels like transform removes or mishandles such placeholders at sentence end.
Would appreciate any advice/workaround or a fix for this!

What is the expected behavior?

const message = 'Hello {name}';
const result = transform(message).result.html;

console.log(result); // '<p>Hello {name}</p>'

What do you see instead?

const message = 'Hello {name}';
const result = transform(message).result.html;

console.log(result); // '<p>Hello</p>'

Additional information

No response

[d3m1d0v]

{name} – is attributes syntax

@diplodoc/transform uses the markdown-it-attrs plugin, and it applies attributes from {} to the current block

If you want to disable attributes parsing, just add option to transformer:

transform(content, {
  // ...
  enableMarkdownAttrs: false,
});