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Recursively expand type references

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This commit is contained in:
Jerko Steiner 2019-08-12 11:29:12 +07:00
parent 515232c458
commit 3937778e06
1 changed files with 25 additions and 9 deletions
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34
packages/scripts/src/commands/typecheck.ts
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@ -33,18 +33,34 @@ export function typecheck() {
return
function getAllTypeParameters(type: ts.Type): ts.Type[] {
console.log('TTT', checker.typeToString(type), {
isClassOrInterface: type.isClassOrInterface(),
isUnionOrIntersection: type.isUnionOrIntersection(),
isTypeParameter: type.isTypeParameter(),
isLiteral: type.isLiteral(),
aliasTypeArguments: type.aliasTypeArguments,
// baseCon: checker.typeToString(checker.getBaseConstraintOfType(type)),
})
console.log('TTT', checker.typeToString(type),
{
isObject: !!(type.flags & ts.TypeFlags.Object),
isTuple: (type as any).objectFlags & ts.ObjectFlags.Tuple,
objectFlags: (type as any).objectFlags,
},
)
if (type.flags & ts.TypeFlags.Object) {
const objectType = type as ts.ObjectType
const objectFlags = objectType.objectFlags
if (objectFlags & ts.ObjectFlags.Reference) {
const types = [type]
const typeRef = type as ts.TypeReference
if (typeRef.typeArguments) {
typeRef.typeArguments.forEach(t => {
const ta = getAllTypeParameters(t)
types.push(...ta)
})
}
return types
}
}
if (type.isUnionOrIntersection()) {
// console.log('TTT isUnionOrIntersection')
const types = [type, ...type.types]
const unionOrIntersectionTypes = type.types
// const types = [type, ...type.types]
const types: ts.Type[] = [type]
type.types.forEach(t => {
const tsp = getAllTypeParameters(t)
types.push(...tsp)