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51 lines
1.5 KiB
51 lines
1.5 KiB
// heading (#, ##, ...)
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import { isSpace } from '../common/utils.mjs'
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export default function heading (state, startLine, endLine, silent) {
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let pos = state.bMarks[startLine] + state.tShift[startLine]
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let 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 ch = state.src.charCodeAt(pos)
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if (ch !== 0x23/* # */ || pos >= max) { return false }
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// count heading level
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let level = 1
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ch = state.src.charCodeAt(++pos)
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while (ch === 0x23/* # */ && pos < max && level <= 6) {
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level++
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ch = state.src.charCodeAt(++pos)
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}
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if (level > 6 || (pos < max && !isSpace(ch))) { return false }
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if (silent) { return true }
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// Let's cut tails like ' ### ' from the end of string
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max = state.skipSpacesBack(max, pos)
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const tmp = state.skipCharsBack(max, 0x23, pos) // #
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if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
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max = tmp
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}
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state.line = startLine + 1
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const token_o = state.push('heading_open', 'h' + String(level), 1)
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token_o.markup = '########'.slice(0, level)
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token_o.map = [ startLine, state.line ]
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const token_i = state.push('inline', '', 0)
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token_i.content = state.src.slice(pos, max).trim()
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token_i.map = [ startLine, state.line ]
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token_i.children = []
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const token_c = state.push('heading_close', 'h' + String(level), -1)
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token_c.markup = '########'.slice(0, level)
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return true
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}
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