29 lines
680 B
JavaScript
29 lines
680 B
JavaScript
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/**
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* @typedef {import('../types.js').State} State
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* @typedef {import('../types.js').Options} Options
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*/
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/**
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* @param {State} state
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* @returns {Exclude<Options['listItemIndent'], null | undefined>}
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*/
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export function checkListItemIndent(state) {
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const style = state.options.listItemIndent || 'tab'
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// To do: remove in a major.
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// @ts-expect-error: deprecated.
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if (style === 1 || style === '1') {
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return 'one'
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}
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if (style !== 'tab' && style !== 'one' && style !== 'mixed') {
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throw new Error(
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'Cannot serialize items with `' +
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style +
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'` for `options.listItemIndent`, expected `tab`, `one`, or `mixed`'
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)
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}
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return style
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}
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