40 lines
895 B
JavaScript
40 lines
895 B
JavaScript
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/**
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* @typedef {import('../types.js').Options} Options
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* @typedef {import('../types.js').State} State
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*/
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import {checkBullet} from './check-bullet.js'
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/**
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* @param {State} state
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* @returns {Exclude<Options['bullet'], null | undefined>}
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*/
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export function checkBulletOther(state) {
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const bullet = checkBullet(state)
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const bulletOther = state.options.bulletOther
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if (!bulletOther) {
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return bullet === '*' ? '-' : '*'
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}
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if (bulletOther !== '*' && bulletOther !== '+' && bulletOther !== '-') {
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throw new Error(
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'Cannot serialize items with `' +
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bulletOther +
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'` for `options.bulletOther`, expected `*`, `+`, or `-`'
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)
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}
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if (bulletOther === bullet) {
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throw new Error(
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'Expected `bullet` (`' +
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bullet +
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'`) and `bulletOther` (`' +
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bulletOther +
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'`) to be different'
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)
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}
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return bulletOther
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}
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