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MarkdownPostProcessor.ts
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MarkdownPostProcessor.ts
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import { MarkdownPostProcessorContext } from 'obsidian';
import { Direction } from './direction.util';
// Try to detect if the postprocessor was asked to render an export, which seems to be the only case on which
// the post processor is called with a top-level Markdown Preview View div.
// In this case, we must add the relevant document direction class to that element, because no one else will.
function detectExport(el: HTMLElement, ctx: MarkdownPostProcessorContext, setPreviewDirection: SetPreviewDirection) {
if (el?.classList && el.classList?.contains('markdown-preview-view')) {
setPreviewDirection(ctx.sourcePath, el as HTMLDivElement);
}
}
type SetPreviewDirection = (path: string, markdownPreviewElement: HTMLDivElement) => void;
/*
* This Markdown post-processor handles the Reading view and other rendered components of notes.
* It detects the direction for each node individually and adds corresponding CSS classes that are
* later referenced in styles.css.
*/
export const autoDirectionPostProcessor = (
el: HTMLElement,
ctx: MarkdownPostProcessorContext,
setPreviewDirection: SetPreviewDirection,
) => {
detectExport(el, ctx, setPreviewDirection);
}