Default values are undefined after upgrading to 3.3.0

[patricklafrance]

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Hi!

With 3.2.1 the default values were generated for most of the types. After upgrading to 3.3.0 all the default values are gone.

My test cases are available here: https://github.com/storybookjs/storybook/blob/next/examples/cra-ts-kitchen-sink/src/stories/docgen-tests/types/ts-types.tsx#L93

Here's an output of what I receive from the loader after upgrading to 3.3.0:

{defaultValue: null, description: "", name: "any", required: true, type: {…}}
{defaultValue: null, description: "", name: "string", required: true, type: {…}}
{defaultValue: null, description: "", name: "bool", required: true, type: {…}}
{defaultValue: null, description: "", name: "number", required: true, type: {…}}
{defaultValue: null, description: "", name: "voidFunc", required: true, type: {…}}
{defaultValue: null, description: "", name: "funcWithArgsAndReturns", required: true, type: {…}}
{defaultValue: null, description: "", name: "funcWithunionArg", required: true, type: {…}}
{defaultValue: null, description: "", name: "funcWithMultipleUnionReturns", required: true, type: {…}}
{defaultValue: null, description: "", name: "funcWithIndexTypes", required: true, type: {…}}
{defaultValue: null, description: "", name: "symbol", required: true, type: {…}}
{defaultValue: null, description: "", name: "interface", required: true, type: {…}}
{defaultValue: null, description: "", name: "genericInterface", required: true, type: {…}}
{defaultValue: null, description: "", name: "arrayOfPrimitive", required: true, type: {…}}
{defaultValue: null, description: "", name: "arrayOfComplexObject", required: true, type: {…}}
{defaultValue: null, description: "", name: "tupleOfPrimitive", required: true, type: {…}}
{defaultValue: null, description: "", name: "tupleWithComplexType", required: true, type: {…}}
{defaultValue: null, description: "", name: "defaultEnum", required: true, type: {…}}
{defaultValue: null, description: "", name: "numericEnum", required: true, type: {…}}
{defaultValue: null, description: "", name: "stringEnum", required: true, type: {…}}
{defaultValue: null, description: "", name: "enumUnion", required: true, type: {…}}
{defaultValue: null, description: "", name: "recordOfPrimitive", required: true, type: {…}}
{defaultValue: null, description: "", name: "recordOfComplexObject", required: true, type: {…}}
{defaultValue: null, description: "", name: "intersectionType", required: true, type: {…}}
{defaultValue: null, description: "", name: "intersectionWithInlineType", required: true, type: {…}}
{defaultValue: null, description: "", name: "unionOfPrimitive", required: true, type: {…}}
{defaultValue: null, description: "", name: "unionOfComplexType", required: true, type: {…}}
{defaultValue: null, description: "", name: "nullablePrimitve", required: false, type: {…}}
{defaultValue: null, description: "", name: "nullableComplexType", required: false, type: {…}}
{defaultValue: null, description: "", name: "nullableComplexTypeUndefinedDefaultValue", required: false, type: {…}}
{defaultValue: null, description: "", name: "readonlyPrimitive", required: true, type: {…}}
{defaultValue: null, description: "", name: "typeAlias", required: true, type: {…}}
{defaultValue: null, description: "", name: "aliasesIntersection", required: true, type: {…}}
{defaultValue: null, description: "", name: "aliasesUnion", required: true, type: {…}}
{defaultValue: null, description: "", name: "genericAlias", required: true, type: {…}}
{defaultValue: null, description: "", name: "namedStringLiteralUnion", required: true, type: {…}}
{defaultValue: null, description: "", name: "inlinedStringLiteralUnion", required: true, type: {…}}
{defaultValue: null, description: "", name: "namedNumericLiteralUnion", required: true, type: {…}}
{defaultValue: null, description: "", name: "inlinedNumericLiteralUnion", required: true, type: {…}}

Thank you,

Patrick