[RFC] feature(transformer): Add function overload support#303

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martinjlowm wants to merge 26 commits intoTypescript-TDD:masterfrom martinjlowm:enhancement/support-overloads

+705-113

Commits on May 19, 2020

enhancement(repository): Add hidden __factory property to mocks to differentiate them in conditional typing
martinjlowm
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enhancement(transformer): Add declared function overload support
martinjlowm
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enhancement(transformer): Add transformOverloads option
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enhancement(transformer): Support overloads on interfaces
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enhancement(test): Extend method signature overload test to conditional typing
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fix(transformer): Revert to terminating early if a function declares its return type
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enhancement(transformer): Fallback to `instanceof Object' control flow for overloads with non literal inputs
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fix(transformer): Properly cover overloads where no signatures declare arguments
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enhancement(transformer): Implement conditional typing for direct mock calls of interfaces with call signatures
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chore(transformer): Move overload tests into its own file nested under method
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chore(transformer): Merge isLiteralRuntimeTypeNode and IsLiteralOrPrimitive
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enhancement(transformer): Support non-primitive function arguments
martinjlowm
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chore(transformer): Narrow signatures of mock factory call routines
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enhancement(transformer): Refactor GetMethodDescriptor implementation and utilize TypeScript's MethodSignature type
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feature(transformer): Add serialization helpers including one for method signature-based hash
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enhancement(transformer): Add helper function to extract the first identifier of a BindingName
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chore(transformer): Move branching logic to its own file
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chore(transformer): Filter method signatures based on the transformOverloads option
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chore(transformer): Adjust type signatures in bodyReturnType.ts
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chore(transformer): Removed unused imports
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chore(*): Rename __factory identifier to __ident and apply it to mocked methods as well
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chore(transformer): Revert to using passed in propertyName as method identifier
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chore(test): Enable Date instance expectation in overloads test
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chore(options): Move the overload transformation option into a features array
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chore(test): Add feature-gated and matrix based unit testing in CI
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chore(transformer): Apply non-nullable check for getDeclarationKeyMap use
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