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Take into account alias type parameters

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This commit is contained in:
Jerko Steiner 2019-08-13 10:20:34 +07:00
parent 0da43b0411
commit 78f39517ce
1 changed files with 20 additions and 7 deletions
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27
packages/scripts/src/commands/typecheck.ts
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@ -93,11 +93,16 @@ export function typecheck(...argv: string[]) {
// e.g. string or number types have no symbol
return false
}
if (symbol && !((symbol as any).parent)) {
// console.log(' no parent')
// e.g. Array symbol has no parent
if (symbol && symbol.flags & ts.SymbolFlags.Transient) {
console.log(' is transient')
// Array is transient. not sure if this is the best way to figure this
return false
}
// if (symbol && !((symbol as any).parent)) {
// // console.log(' no parent', symbol)
// // e.g. Array symbol has no parent
// return false
// }
if (type.isLiteral()) {
// console.log(' is literal')
return false
@ -206,16 +211,16 @@ export function typecheck(...argv: string[]) {
return
}
// if (type.aliasSymbol) {
// TODO figure out how to prevent iterating of properties from types
// such as strings
// // TODO figure out how to prevent iterating of properties from types
// // such as strings
// return
// }
const typeParameters: ts.TypeParameter[] = []
const expandedTypeParameters: ts.Type[] = []
const allRelevantTypes: ts.Type[] = []
if (type.isClassOrInterface() && type.typeParameters) {
type.typeParameters.forEach(tp => {
function handleTypeParameters(typeParams: readonly ts.Type[]) {
typeParams.forEach(tp => {
const constraint = tp.getConstraint()
if (constraint) {
expandedTypeParameters.push(...getAllTypeParameters(tp))
@ -229,6 +234,14 @@ export function typecheck(...argv: string[]) {
})
}
if (type.isClassOrInterface() && type.typeParameters) {
handleTypeParameters(type.typeParameters)
}
if (type.aliasSymbol && type.aliasTypeArguments) {
handleTypeParameters(type.aliasTypeArguments)
}
const properties = type.getApparentProperties()
const filterClassTypeParameters =