40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
/**
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* @typedef {import('./types.js').Join} Join
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*/
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import {formatCodeAsIndented} from './util/format-code-as-indented.js'
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import {formatHeadingAsSetext} from './util/format-heading-as-setext.js'
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/** @type {Array<Join>} */
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export const join = [joinDefaults]
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/** @type {Join} */
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function joinDefaults(left, right, parent, state) {
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// Indented code after list or another indented code.
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if (
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right.type === 'code' &&
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formatCodeAsIndented(right, state) &&
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(left.type === 'list' ||
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(left.type === right.type && formatCodeAsIndented(left, state)))
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) {
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return false
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}
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// Join children of a list or an item.
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// In which case, `parent` has a `spread` field.
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if ('spread' in parent && typeof parent.spread === 'boolean') {
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if (
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left.type === 'paragraph' &&
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// Two paragraphs.
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(left.type === right.type ||
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right.type === 'definition' ||
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// Paragraph followed by a setext heading.
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(right.type === 'heading' && formatHeadingAsSetext(right, state)))
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) {
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return
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}
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return parent.spread ? 1 : 0
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}
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}
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