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Figure out how to determine class type parameters

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This commit is contained in:
Jerko Steiner 2019-08-11 22:19:49 +07:00
parent d7b2ad7a38
commit 472c7b3574
1 changed files with 15 additions and 0 deletions
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15
packages/scripts/src/commands/typecheck.ts
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@ -64,6 +64,21 @@ export function typecheck() {
// } // }
const type = checker.getDeclaredTypeOfSymbol(symbol) const type = checker.getDeclaredTypeOfSymbol(symbol)
if (type.isClassOrInterface() && type.typeParameters) {
type.typeParameters.forEach(tp => {
console.log('tp.symbol.name', tp.symbol.name)
const constraint = tp.getConstraint()
if (constraint) {
console.log('tp.constraint', checker.typeToString(constraint))
}
const def = tp.getDefault()
if (def) {
console.log('tp.default', checker.typeToString(def))
}
})
}
// const properties = checker.getPropertiesOfType(type) // const properties = checker.getPropertiesOfType(type)
const properties = type.getApparentProperties() const properties = type.getApparentProperties()