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68 lines
1.7 KiB
68 lines
1.7 KiB
3 years ago
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function addImportsMap (metadata, name, source) {
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if (!metadata.modules) {
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metadata.modules = {}
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}
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metadata.modules[name] = source
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}
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module.exports = function babelPluginGlobalComponent ({
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types: t
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}) {
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return {
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visitor: {
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Program: {
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exit (path) {
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path.traverse({
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CallExpression (path) {
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if (path.hub) {
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const {
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callee,
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arguments: args
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} = path.node
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const {
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metadata
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} = path.hub.file
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if (!callee.object || !callee.property) {
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return
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}
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if (callee.object.name === 'Vue' && callee.property.name === 'component') {
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if (!args[0] || args[0].type !== 'StringLiteral') {
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throw new Error('Vue.component()的第一个参数必须为静态字符串')
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}
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if (!args[1]) {
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throw new Error('Vue.component()需要两个参数')
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}
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if (!metadata.globalComponents) {
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metadata.globalComponents = {}
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}
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metadata.globalComponents[args[0].value] = metadata.modules[args[1].name]
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}
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}
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}
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})
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}
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},
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ImportDeclaration (path) {
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if (path.hub) {
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const {
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specifiers,
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source: {
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value
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}
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} = path.node
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const {
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metadata
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} = path.hub.file
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specifiers.forEach(specifier => {
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addImportsMap(metadata, specifier.local.name, value)
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})
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}
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}
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}
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}
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}
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