* Only enable special assignability rule on string index signatures to 'any'.
* Accepted baselines.
* Added test.
* Accepted baselines.
* Renamed test files.
* Add non-erroring version of bclas'subClassThisTypeAssignable01.ts'
* Accepted baselines.
Co-authored-by: TypeScript Bot <typescriptbot@microsoft.com>
* Fix: checkAliasSymbol crash when checking for @deprecated
It's possible that we shouldn't be creating symbol with no declarations
from non-homomorphic mapped types, but for 4.2, the right fix is to make
the @deprecated-check in checkAliasSymbol ensure that
target.declarations is defined.
* Add bug number and accept baselines
* When structurally comparing similar types, check if we are already in the middle of a more general comparison of those same types
* Do the same, but with only string manipulations
* Improve JSON parser error recovery
* Add error baselines
* Move tsconfig root checking out of common JSON checking function
* Use new function in parseConfigFileTextToJson
* Fix test
* Replace non-null assertion with explicit debug assertion
* Eliminate well-known symbols in the checker: 2021 edition
* Actually update the lib text to say unique symbol, too (this is unneeded with compat code in place, but this makes goto-def make more sense)
* Add test showing mismatched symbol constructor type interop
* Add more test cases for some other related issues this fixes
* Revert computed name change
* Style comments
* When noImplicitAny is set, combine multiple contextual overloads into a single signature, rather than producing `any` and an error
* Amalgamate intersection composite signature return types as intersections, rather than the prior exclusively union behavior
* Add another example from an issue, albeit slightly modified
* Fix newlines, add test from DT
* Interior remodelling
* Improve @template lookup and resilience
1. @template parsing may produce a template tag with a type parameter
whose name is the missing identifier. These tags should be skipped
in the checker because they receive an error in the parser.
2. The fix in #37819 was incorrect; there's no such thing as a type
parameter declared on a variable declaration. Instead, there needs to be a type
parameter declared on a jsdoc comment, because that's the scope for tags
like `@return` and `@typedef`.
There are 3 tests because either fix (1) and (2) fix the first test's
failure, but both are required to fix the last two tests' failures.
* remove containsParseError call
* Specified error message for iterating known array types without --downlevelIteration
* Added extra target info to diagnostic
* NodeList too, a classic
* PR feedback: invert to allowsStrings; required param
Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
* Change variable name AllowQualifedNameInPlaceOfIdentifier to AllowQualifiedNameInPlaceOfIdentifier
* Change deleting AllowQualifedNameInPlaceOfIdentifier to deprecating it instead.
* Fix failing tests
* Replace old value
* No did-you-mean-to-call error on casts
I chose to do the ad-hoc check rather than yet another tree walk.
1. It's faster to run and easier to read.
2. This error came from looking at real code. It happened twice, so I
think the best estimate for other uses that happened zero times is in
fact zero.
3. I couldn't think of other places to put the cast, given the
restrictions on `testedNode` just before the new code.
* Skip parentheses
I chose to do the ad-hoc check rather than yet another tree walk.
1. It's faster to run and easier to read.
2. This error came from looking at real code. It happened twice, so I
think the best estimate for other uses that happened zero times is in
fact zero.
3. I couldn't think of other places to put the cast, given the
restrictions on `testedNode` just before the new code.
e350c357 (#40228) introduced a subtle bug: it switched the flags to an
alias, dropping `SymbolFlags.Property` --- and that makes
`symbolIsValue()` get to the `resolveAlias(symbol)` call, which leads to
`getPropertyOfType()` with`resolved.callSignatures`+`constructSignatures`
being `undefined`. So initialize them in `setStructuredTypeMembers`
before calling `getNamedMembers()`.
Fixes#42350
The original error message on the last line I have added to in
functionParameterArityMismatch.ts was
No overload expects 5 arguments, but overloads do exist that expect
either 4 or Infinity arguments.
even if we do not define a function that takes Infinity arguments.
This PR changes it to this:
Expected 0-6 arguments, but got 5 or more.
I feel it is still a bit strange but much more understandable.
Fixes#42418
Make `tracing` either `undefined` or the same namespace as before.
Switching all calls to `tracing?.___` means that there is no cost for
a call or the arguments when tracing is not used. Comparing two runs
without tracing (27 runs, drop 5+5, avg rest) I get:
master:
42.59s user 1.00s system 165% cpu 26.372 total
changed:
42.01s user 0.982 system 165% cpu 26.039 total
(Makes it all private, so no api changes.)
* Commonjs module:create synthetic exports symbol
Previously, the `module` identifier in commonjs modules got a synthetic
type with a single property `exports`. The exports property reused the
file's symbol, which, for a module file, gives the correct exported
properties.
However, the name of this symbol was still the filename of the file, not
`exports`. This PR creates a synthetic symbol for `exports` by copying
in a similar way to esModuleInterop's `default` symbol in
`resolveESModuleSymbol` (although the intent there is to strip off
signatures from the symbol).
* correct parent of synthetic symbol
* Exclude primitive types from union subtype reduction in most cases
* Accept new baselines
* Minor fixes
* Less aggressive checking of assertion function calls that don't affect control flow
* Accept new baselines
* Test when config file extends is incorrectly computed
Test for #40720
* Keep extended config's raw file, include, exclude relative to itself and correct it when setting extending options
Fixes#40720
Daniel RosenwasserandTypeScript Bot
Nathan Shively-Sanders
Anders Hejlsberg
Wesley Wigham
Armando Aguirre
Sheetal Nandi
Andrew Branch
Eli Barzilay
Oleksandr T
ZYSzys
Titian Cernicova-Dragomir
Josh GoldbergandNathan Shively-Sanders
Ryan Cavanaugh
Chakib Ljazouli
Jack Works
Masato Urai
Orta Therox
Song GaoandRon Buckton