kayjaydee
28a84e0b64
- Pure AST traversal of @nuxt/content v3 minimal body shape - Skips code and pre tags (code snippets are not readable prose) - Zero dependency, zero import, reused by Nitro hook
35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
/**
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* Count words in a @nuxt/content v3 "minimal" body AST.
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* Ignores code and pre tags (code snippets are not "readable" for reading-time purposes).
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*
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* Body shape (v3): { type: 'minimal', value: MinimalNode[] }
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* MinimalNode = string | [tag: string, attrs: object, ...children: MinimalNode[]]
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*
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* Used by server/plugins/reading-time.ts at content:file:afterParse.
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*/
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export function countWordsInMinimalBody(body: unknown): number {
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let count = 0
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const visit = (node: unknown): void => {
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if (typeof node === 'string') {
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const trimmed = node.trim()
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if (trimmed) count += trimmed.split(/\s+/).length
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return
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}
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if (Array.isArray(node)) {
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const tag = node[0]
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// Skip code/pre — not counted as reading content
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if (tag === 'code' || tag === 'pre') return
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// children start at index 2 (index 0 = tag, index 1 = attrs)
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for (let i = 2; i < node.length; i++) visit(node[i])
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}
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}
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const body_ = body as { type?: string; value?: unknown[] } | undefined
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if (body_?.value && Array.isArray(body_.value)) {
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for (const node of body_.value) visit(node)
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}
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return count
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}
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