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f3156a6478
The reasoning here is that we want to make a unique bundle for this folder and the default approach is to include everything in `addon`.
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
export function setup(helper) {
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const opts = helper.getOptions();
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if (opts.previewing && opts.injectLineNumbersToPreview) {
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helper.whiteList([
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"p.preview-sync-line",
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"p[data-line-number]",
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"h1.preview-sync-line",
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"h1[data-line-number]",
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"h2.preview-sync-line",
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"h2[data-line-number]",
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"h3.preview-sync-line",
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"h3[data-line-number]",
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"h4.preview-sync-line",
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"h4[data-line-number]",
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"h5.preview-sync-line",
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"h5[data-line-number]",
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"h6.preview-sync-line",
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"h6[data-line-number]",
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"blockquote.preview-sync-line",
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"blockquote[data-line-number]",
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"hr.preview-sync-line",
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"hr[data-line-number]",
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"ul.preview-sync-line",
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"ul[data-line-number]",
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"ol.preview-sync-line",
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"ol[data-line-number]",
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]);
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helper.registerPlugin((md) => {
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const injectLineNumber = (tokens, index, options, env, self) => {
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let line;
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const token = tokens[index];
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if (token.map && token.level === 0) {
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line = token.map[0];
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token.attrJoin("class", "preview-sync-line");
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token.attrSet("data-line-number", String(line));
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}
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return self.renderToken(tokens, index, options, env, self);
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};
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md.renderer.rules.paragraph_open = injectLineNumber;
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md.renderer.rules.heading_open = injectLineNumber;
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md.renderer.rules.blockquote_open = injectLineNumber;
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md.renderer.rules.hr = injectLineNumber;
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md.renderer.rules.ordered_list_open = injectLineNumber;
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md.renderer.rules.bullet_list_open = injectLineNumber;
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});
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}
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}
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