This is kind of related to my last question . But made a new topic since it’s a new question. What is the best way to modify the preview (that you see when composing a post) with javascript in a theme component? I know I can modify the DOM (after it’s cooked) in decorateCookedElement, but would be …

Do you want to update just the preview or you want to also affect how a submitted post will look?

I’m interested in updating both the preview and the submitted post (but don’t want to save the modifications :slightly_smiling_face:). Worried that if I make my modifications to the DOM (with decorateCookedElement) it will be too slow. Although I need to make some tests to see if that’s really the …

The submitted post will be cooked again in the server, so in order for the modification to work, you will need a plugin, not a theme-component. This post here covers this topic: Repackaging a markdown-it extension as a Discourse plugin

Thanks! I will definitely check that out.

Como modificar a pré-visualização com javascript?

Dev

Falco (Falco) Março 8, 2021, 10:43pm 2

Você quer atualizar apenas a pré-visualização ou também deseja alterar a aparência de uma postagem enviada?

Tópico		Respostas	Visualizações
How to decorate a post before it's cooked? Development	4	1071	5 de Março de 2021
Interaction among theme component, theme javascript, and "previews" Development	4	969	14 de Maio de 2021
Missing refresh of preview area with add-on Feature	2	806	2 de Novembro de 2016
Trying to replace / auto-format strings in user posts Development	3	563	13 de Novembro de 2023
How to correctly listen on post-stream update Development	6	1157	10 de Dezembro de 2025

Como modificar a pré-visualização com javascript?

Tópicos relacionados