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40 lines
1.0 KiB
40 lines
1.0 KiB
// Horizontal rule
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import { isSpace } from '../common/utils.mjs'
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export default function hr (state, startLine, endLine, silent) {
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const max = state.eMarks[startLine]
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// if it's indented more than 3 spaces, it should be a code block
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if (state.sCount[startLine] - state.blkIndent >= 4) { return false }
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let pos = state.bMarks[startLine] + state.tShift[startLine]
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const marker = state.src.charCodeAt(pos++)
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// Check hr marker
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if (marker !== 0x2A/* * */ &&
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marker !== 0x2D/* - */ &&
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marker !== 0x5F/* _ */) {
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return false
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}
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// markers can be mixed with spaces, but there should be at least 3 of them
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let cnt = 1
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while (pos < max) {
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const ch = state.src.charCodeAt(pos++)
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if (ch !== marker && !isSpace(ch)) { return false }
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if (ch === marker) { cnt++ }
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}
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if (cnt < 3) { return false }
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if (silent) { return true }
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state.line = startLine + 1
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const token = state.push('hr', 'hr', 0)
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token.map = [startLine, state.line]
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token.markup = Array(cnt + 1).join(String.fromCharCode(marker))
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return true
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}
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