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fix(nuxt): make pageMeta ast undefineable in transformation

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This commit is contained in:
julien huang 2024-03-19 20:59:08 +01:00
parent f55f747984
commit dfd935bee6
1 changed files with 23 additions and 22 deletions
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45
packages/nuxt/src/pages/plugins/page-meta.ts
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@ -122,33 +122,34 @@ export const PageMetaPlugin = createUnplugin((options: PageMetaPluginOptions) =>
const name = 'name' in node.callee && node.callee.name const name = 'name' in node.callee && node.callee.name
if (name !== 'definePageMeta') { return } if (name !== 'definePageMeta') { return }
const meta = node.arguments[0] as Expression & { start: number, end: number } const meta = node.arguments[0] as (Expression & { start: number, end: number }) | undefined
let contents = `const __nuxt_page_meta = ${meta ? code!.slice(meta.start, meta.end) || 'null' : 'null'}\nexport default __nuxt_page_meta` + (options.dev ? CODE_HMR : '')
let contents = `const __nuxt_page_meta = ${code!.slice(meta.start, meta.end) || 'null'}\nexport default __nuxt_page_meta` + (options.dev ? CODE_HMR : '') if(meta) {
function addImport (name: string | false) {
function addImport (name: string | false) { if (name && importMap.has(name)) {
if (name && importMap.has(name)) { const importValue = importMap.get(name)!.code
const importValue = importMap.get(name)!.code if (!addedImports.has(importValue)) {
if (!addedImports.has(importValue)) { contents = importMap.get(name)!.code + '\n' + contents
contents = importMap.get(name)!.code + '\n' + contents addedImports.add(importValue)
addedImports.add(importValue) }
} }
} }
walk(meta, {
enter (_node) {
if (_node.type === 'CallExpression') {
const node = _node as CallExpression & { start: number, end: number }
addImport('name' in node.callee && node.callee.name)
}
if (_node.type === 'Identifier') {
const node = _node as Identifier & { start: number, end: number }
addImport(node.name)
}
}
})
} }
walk(meta, {
enter (_node) {
if (_node.type === 'CallExpression') {
const node = _node as CallExpression & { start: number, end: number }
addImport('name' in node.callee && node.callee.name)
}
if (_node.type === 'Identifier') {
const node = _node as Identifier & { start: number, end: number }
addImport(node.name)
}
}
})
s.overwrite(0, code.length, contents) s.overwrite(0, code.length, contents)
} }
}) })