28 lines
925 B
Plaintext
28 lines
925 B
Plaintext
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// Support for the newline behavior in markdown that most expect. Look through all text nodes
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// in the tree, replace any new lines with `br`s.
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export function setup(helper) {
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helper.postProcessText((text, event) => {
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const { options, insideCounts } = event;
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if (options.traditionalMarkdownLinebreaks || (insideCounts.pre > 0)) { return; }
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if (text === "\n") {
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// If the tag is just a new line, replace it with a `<br>`
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return [['br']];
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} else {
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// If the text node contains new lines, perhaps with text between them, insert the
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// `<br>` tags.
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const split = text.split(/\n+/);
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if (split.length) {
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const replacement = [];
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for (var i=0; i<split.length; i++) {
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if (split[i].length > 0) { replacement.push(split[i]); }
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if (i !== split.length-1) { replacement.push(['br']); }
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}
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return replacement;
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}
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}
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});
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}
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