ce4c83ff
 wxy
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let ts
try {
ts = require('typescript')
} catch (e) {
}
function parseComponentsDeps (scriptContent) {
const sourceFile = ts.createSourceFile('test', scriptContent, ts.ScriptTarget.ESNext, /* setParentNodes */ true)
return delint(sourceFile)
}
function delint (sourceFile) {
const compNames = {}
const importsMap = {}
delintNode(sourceFile)
function parseDecorator (node) {
// 只处理 @Component({components:{aaa}})
if (node.expression.expression && node.expression.expression.escapedText === 'Component') {
const compArgs = node.expression.arguments
if (compArgs && compArgs.length === 1) {
const vueClassArg = compArgs[0]
if (vueClassArg.properties) {
vueClassArg.properties.forEach((classProp) => {
// 处理components属性
if (classProp.name.escapedText === 'components') {
classProp.initializer.properties.forEach((comp) => {
let compName
switch (comp.kind) {
case ts.SyntaxKind.ShorthandPropertyAssignment: // {Comp}
compName = comp.name.escapedText
// report(comp, '1')
break
case ts.SyntaxKind.PropertyAssignment: // {a:Comp}
compName = comp.initializer.escapedText
// report(comp, '2')
break
}
compNames[compName] = true
})
}
})
}
}
}
}
function delintNode (node) {
switch (node.kind) {
case ts.SyntaxKind.ImportDeclaration:
// 只处理 import Comp from 'xxx.vue'
if (node.importClause.name) {
importsMap[node.importClause.name.escapedText] = node.moduleSpecifier.text
}
// report(node, 'import')
break
case ts.SyntaxKind.Decorator:
parseDecorator(node)
break
}
ts.forEachChild(node, delintNode)
}
function report(node, message) { // eslint-disable-line
const { line, character } = sourceFile.getLineAndCharacterOfPosition(node.getStart())
console.log(`${sourceFile.fileName} (${line + 1},${character + 1}): ${message}`)
}
const components = {}
for (const k in compNames) {
if (importsMap.hasOwnProperty(k)) {
components[k] = importsMap[k]
}
}
return {
importsMap,
components
}
}
module.exports = { parseComponentsDeps }
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