sgauthier
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28 lines
611 B
JavaScript
28 lines
611 B
JavaScript
'use strict'
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var whiteSpace = require('hast-util-whitespace')
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exports.before = siblings(-1)
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exports.after = siblings(1)
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// Factory to check siblings in a direction.
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function siblings(increment) {
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return sibling
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// Find applicable siblings in a direction.
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function sibling(parent, index, includeWhiteSpace) {
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var siblings = parent && parent.children
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var offset = index + increment
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var next = siblings && siblings[offset]
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if (!includeWhiteSpace) {
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while (next && whiteSpace(next)) {
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offset += increment
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next = siblings[offset]
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}
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}
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return next
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}
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}
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