Commit graph

1814 commits

Author SHA1 Message Date
Anders Hejlsberg 349ae45a2c
Reduce intersections with conflicting privates, elaborate on reasons (#37762)
* Elaborate on reasons for 'never' intersections

* Accept new API baselines

* Accept new baselines

* Add tests

* Accept new baselines

* Address CR feedback
2020-04-02 18:00:59 -07:00
Wenlu Wang afc41f095d
Quick fix for functions lacking return expressions (#26434)
* stash

* add surmise for return type

* add support for more case

* add more test case

* add more testcase and fix all test

* fix changed diagnosis

* fix broken test case

* add more case

* rename quickfix

* fix conflict

* fix fix desc

* fix semi

* Avoid replace brace with paren

* Split fix all action

* Add return work in same line

* fix test cases

* rename baseline

* refactor and handle comment

* Support semi

* make helper internal
2020-04-02 10:06:14 -07:00
Alexander T 697d1042eb
fix(37519): forbid trailing comma in a index signature (#37535) 2020-04-01 15:38:10 -07:00
Neal Burger 9cd4b070ab
Add link to documentation in tsconfig.json template generated by tsc --init (#34686)
* Add Advanced Compile Options to --init command

* removed advanced options and descriptioncolumn

* tests: fix tsconfig.json baselines

* tests: fix failing tests

* feat: adjusted link to specification

* fix: removed duplicate increment flag

* chore: moved position back

* return of the comments

* fix for missalignment

* return of the comment
2020-03-30 14:14:00 -07:00
uhyo 1f56ab02f0
Improve error message for invalid return type of JSX component (#32702)
* New diagnostic message for wrong JSX function component

* Component and Mixed type

* fix existing tests

* add new test for JSX component return type error

* fix tslint error

* update diagnostic message to include component name

* accept baseline

* update tests

* missing semicolon

* accept baseline

Co-authored-by: Wesley Wigham <wwigham@gmail.com>
2020-03-30 13:04:33 -07:00
Alexander T 96f01227d4
fix(36909): wrong error message when trying to named-import an export (#36925) 2020-03-28 12:16:50 -07:00
Alexander T 3c130d1317
feat(37092): improve error message about missing default export (#37212) 2020-03-27 14:33:01 -07:00
Sheetal Nandi 0ae938b718
Report error when cannot read file (#37611)
This also consolidates helper for readFile failure
2020-03-25 21:29:02 -07:00
Rustin 8615eecfc1
Enhancement new expression with type arguments without parenthesized argument list error message (#37576)
* Enhancement new expression with type arguments without parenthesized argument list error message

Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>

* add baselines

Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>

* use parseErrorAt

Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>

* refine code

Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>

* Space before paren

Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
2020-03-25 12:37:46 -07:00
Alexander T 0aa2e2783c
feat(37409): add fix all quick fix to fixInvalidJsxCharacters (#37436) 2020-03-18 09:54:17 -07:00
Alexander T 66aa9e77bf
fix(36247): disallow 'constructor' as a parameter property name (#37285) 2020-03-17 14:48:05 -07:00
Josh Goldberg 878f447798
Clarified file-not-found error for reference paths without extensions (#35956)
* Clarified file-not-found error for reference paths without extensions

* Updated error message to include extensions

* update baselines missed in merge

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-03-17 14:21:23 -07:00
Alexander T f1eb9898fb
feat(36908): add 'property overwritten by spread' error for jsx attributes. add related span for conflicting declaration in spread (#37329) 2020-03-17 13:13:38 -07:00
Andy Hanson b0450aed56
Add codefix for --noImplicitThis (#27565)
* Add codefix for --noImplicitThis

* Code review

* Back to building post-merge

* Remove redundant functions + update tests

Infer-from-usage also inserts `this: any` parameters when needed, so I
removed that from fixImplicitThis.

Otherwise, fixImplicitThis has better suggestions than inferFromUsage,
so I moved inferFromUsage later in the suggestion order.

* More redundancy removal

Don't need to add `@this` anymore either since inferFromUsage will do
that.

* More baseline updates

From moving inferFromUsage down in priority I think?

* remove now-redundant ad-hoc jsdoc emit

* fix more bad merge

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-03-17 13:00:14 -07:00
Alexander T fc30095e8b
feat(33792): add new quick fix service to handle missing call in condition (#37152) 2020-03-13 13:38:44 -07:00
Alexander T b41eb1bc61
feat(36249): add quick-fix action to declare a property as private which starts from underscore (#36632) 2020-03-13 10:33:56 -07:00
Donald Pipowitch e0f6ecd957
improve error message TS2307 (#27054)
* improve error message TS2307

* add updates missed from merge

* update more missed baselines

* remove incorrectly re-added test files

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-03-12 15:55:54 -07:00
Jack Williams dcc73944f4
Fix 33436 (#35225)
* Fix 33436

* Fix code

* Fix error message after bad merge

* Remove whitespace
2020-03-12 15:40:14 -07:00
Andrew Casey 9e97b00ca1
adds error message for using value as type argument (#37359)
This addresses issue #28975
(https://github.com/microsoft/TypeScript/issues/28975).

When providing a value as a type argument, we can suggest a more specific
error message: "Did you mean to use typeof T?"

adds error message

WIP: Detect error

WIP: progress

updated tests

janky implementation

adds test coverage around literal types being unaffected

refactor out isIdentifierATypeArgument function

adds test case for type alias

adds test case for nested type arguments

fixes linting errors

merge master into branch to overwrite changes

changes value as type error message

This suggests 'typeof T' as a potential alternative when we give an error
about using value T as a type.

remove stale tests from old change

Co-authored-by: John Patterson <john@johnppatterson.com>
2020-03-11 19:18:17 -07:00
Orta ffde92349d
Added @ts-expect-error to @ts-ignore directives (#36014)
* Added @ts-expect-error to @ts-ignore directives

Similar to `// @ts-ignore`, but will itself cause a new error diagnostic if it does not cause an existing diagnostic to be ignored.

Technical summary:
1. The scanner will now keep track of `CommentDirective`s it comes across: both `@ts-expect-error` and `@ts-ignore`
2. During type checking, the program will turn those directives into a map keying them by line number
3. For each diagnostic, if it's preceded by a directive, that directive is marked as "used"
4. All `@ts-expect-error` directives not marked as used generate a new diagnostic error

* Renamed to getDiagnosticsWithPrecedingDirectives per suggestion

* Added JSDoc comment I thought I did already

Co-authored-by: Orta <orta.therox+github@gmail.com>
2020-03-05 10:37:36 -05:00
Alexander T 3046a54401
fix(36883): accessor allows this parameter but is not checke… (#36889) 2020-03-03 12:26:41 -08:00
Anders Hejlsberg be4b814a4c
Reduce intersections by discriminants (#36696)
* Treat never-like intersections as never

* Accept new baselines

* Fix compiler issues revealed by increased intersection correctness

* Delete fourslash tests that are no longer applicable

* Include isNeverLikeIntersection check in getNormalizedType

* Erase never-like types in several more places

* Check that base types are not never-like

* Add comments

* Revert isNeverLikeType check in getIndexType (keyof shouldn't resolve member types)

* Introduce getReducedType for union and intersection types

* Don't reduce in getApparentType

* Avoid relationship check in resolveMappedTypeMembers

* Accept new baselines

* Don't call getReducedType in getIndexType

* Ensure reduced and unreduced forms of a type can compare identical

* Reduce types before converting them to string representation

* Accept new baselines

* Reduce intersections before obtaining keyof X

* Add tests

* Accept new baselines

* Fix comment in tests

* Don't infer from empty intersection types

* Add tests

* Accept new baselines

* Defer instantiation of mapped type property types

* Accept new baselines

* Include more precise type in diagnostic

* Accept new baselines

* Minor optimization

* Improve error message

* Optional properties in intersections are never discriminants
2020-02-28 17:06:44 -08:00
Andrew Branch 0a6ee7753d
Grammar error on export type * (#37064)
* Recognize `export type *` syntax, but disallow it

* Add more comments to test

* Revert recognizing invalid forms as type-only

* Revert more
2020-02-27 16:35:15 -08:00
Sheetal Nandi d07761fe39
Allow --composite false or --composite null on the command line (#36997)
* Add tests for specifying composite as command line option

* Allow passing --composite false on commandline

* Add test to verify tsc --composite false from command line

* Handle "undefined" as option value to be set to undefined for that option

* Support "null" as option to be converted to undefined which is normally end result from our config file as well

* Support null as option for any tsconfig only option as well, and dont support undefined

* Fix public api test case

* Validates objects instead of stringify result

* Add composite true to base source
2020-02-26 15:26:26 -08:00
Wesley Wigham 7d8dc730b7
Baseline arity checks for jsx sfc tags (#36643)
Finish comment

PR feedback
2020-02-25 13:44:22 -08:00
Nathan Shively-Sanders a772c26a71
Error when property is specified more than once via a spread (#36727)
* add tests but not baselines or fixes

* Update original change

Still probably wrong; probably doesn't even compile beacuse I'm just
typing on my laptop.

* fix error code ok

* notes to self

* Error: property is specified more than once via spread

* make jsx tests stricter

* update semicolon error message

* use ?. because it is great

* use maybeTypeOfKind in new code

* restore jsx error

* add tests
2020-02-11 10:23:15 -08:00
Brad Zacher 348c4dddc6
Throw syntax error for } and > in JSX text (#36636)
* Throw syntax error for `}` and `>` in JSX text

Fixes #36341

* Add codefix for error
2020-02-11 11:44:17 -05:00
Andrew Branch 2fac535158
Fix type-only imports in interface 'extends' and import=/export= (#36496)
* Handle when files get checked in different orders

* Fix interface extends clause

* Fix import= something type only from a module

* Revert apparently unnecessary addition

* Revert "Revert apparently unnecessary addition"

This reverts commit 7444b0b72e.

* Disallow `import = a.b.c` on anything with type-only imports

* Safety first

* Add test for TS Server single-file open

* Add big comment

* Extract error reporting function for import aliases

* Delete blank line

* Un-export, comment, and colocate some utils

* Combine 3 type-only marking function calls into one

* Add more export default tests
2020-01-29 15:00:17 -08:00
Andrew Branch 20e8eba143
Issue better error for exporting primitive type (#36424)
* Issue better error for exporting primitive type

* Delete nonsense
2020-01-27 08:11:21 -08:00
Alexander T 30545006df fix(36068): Incorrect quick fix for undeclared private field i… (#36373) 2020-01-24 18:28:42 -08:00
Andrew Branch b05dde747c
Update type-only import semantics to allow type queries (#36092)
* Change type-only semantics to allow type queries

* Don’t error using type-only import in ambient context

* Fix default import

* Fix namespace import

* Update more baselines

* Prevent circular resolution

* Track const enum expression usage

* Update baselines

* Perf tuning 1

* Test commit for perf impact

* Weave type-only alias declaration finding into alias resolution

* Fix namespace import of type-only exported symbols

* type-only exports do not contribute to the module object type

* Update APIs

* Fix enum casing, remove type-only conversion suggestion

* Short circuit type-only checks in resolveEntityName faster

* Fix casing in API

* Remove unused parameter

* Fix error on qualified names in type queries

* Allow type-only imports in computed property names

* Fix computed property names of types and abstract members

* Remove unused util

* Commit missing baselines

* Rename “check” functions so as not to overload the word “check”
2020-01-23 12:53:36 -08:00
Alexander T 38eccbab2a feat(29624): better errors for non-exported types (#36187) 2020-01-21 13:03:22 -08:00
Orta f588c78aab
Remove the compiler diag 1360 after it got missed in #35751 (#36332) 2020-01-21 11:54:48 -05:00
Wenlu Wang d2c5d54242 remove duplicate message (#36125) 2020-01-18 14:00:53 -08:00
Alexander T 0dd4c9cebe feat(36231): Improve message for "Remove declaration for: ..." (#36283) 2020-01-18 13:28:19 -08:00
Ron Buckton 50adabe32d
Improve diagnostics and add code fixes for top-level await (#36173) 2020-01-18 12:24:08 -08:00
Orta 1dafd09a06
Revert "Add related diagnostic to "used before defined" if type is a function that returns a union with undefined (#33171)" (#35751)
This reverts commit be960fa356.
2020-01-15 12:50:52 -05:00
Daniel Rosenwasser 78748c0a35
More actionable "must have annotation" message (#35839)
* Give an actionable elaboration.

* Accepted baselines.

* Less words.

* Accepted baselines.
2020-01-07 16:46:14 -08:00
Daniel Rosenwasser f807b57356
Add s to importsNotUsedAsValue (#36037)
* Pluralize end of 'importsNotUsedAsValue'.

* Updated baselines.
2020-01-06 13:23:47 -08:00
Andrew Branch 3b396e6124 Type-only imports and exports (#35200)
* Add type-only support for export declarations

* Use a synthetic type alias instead of binding type-only exports as a type alias

* Works for re-exports!

* isolatedModules works fine

* Diagnostic for type-only exporting a value

* Start isolated modules codefix

* Update for LKG control flow changes

* Type-only import clause parsing

* Type-only default import checking

* Type-only named imports

* Fix isolated modules error

* Filter namespaces down to type-only

* Fix class references

* Test nested namespaces

* Test circular type-only imports/exports

* Fix getTypeAtLocation for type-only import/export specifiers

* Fix type-only generic imports

* Update public APIs

* Remove unused WIP comment

* Type-only namespace imports

* Fix factory update calls

* Add grammar errors for JS usage and mixing default and named bindings

* Update updateExportDeclaration API baseline

* Fix grammar checking import clauses

* Enums, sort of

* Dedicated error for type-only enum

* Skip past type-only alias symbols in quick info

* Update error code in baseline

* WIP: convertToTypeOnlyExport

* isolatedModules codefix (single export declaration)

* isolatedModules code fix (all)

* Stop eliding non-type-only imports by default, add compiler flag

* Update to match updated diagnostic messages

* Update more baselines

* Update more tests

* Auto-import as type-only

* Add codefix for splitting type-only import with default and named bindings

* Add more services tests

* Add targeted error message for "export type T;" when T exists

* Add targeted error for "import type T = require(...)"

* Flip emit flag

* Add test for preserveUnusedImports option

* Fix flag flip on import =

* Make compiler option string-valued

* Fix merge conflicts

* Add --importsNotUsedAsValue=error

* Phrasing of messages.

Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
2020-01-03 14:39:32 -08:00
Sheetal Nandi 18269c0fc8
Add assumeChangesOnlyAffectDirectDependencies as a option to skip checking and generating .d.ts files for files indirectly importing affected file (#35711)
* Baselining tsc --watch output

* Add noIndirectImports as a option to skip checking and generating .d.ts files for files indirectly importing affected file
Fixes #33329

* Rename option to assumeChangesOnlyAffectDirectDependencies

* Description change as per feedback
2020-01-03 13:02:45 -08:00
Daniel Rosenwasser 024b8c1e5f
Merge pull request #30565 from D0nGiovanni/m-template-literal-2
add refactoring: string concatenation to template literals
2020-01-02 17:08:29 -08:00
Daniel Rosenwasser ff4fa1feb9 Cleaned up refactoring names, descriptions. 2020-01-02 16:32:06 -08:00
Daniel Rosenwasser ad0f0064ce Remove refactoring from template expression to string concatenation. 2020-01-02 16:12:44 -08:00
Max Heiber 36c87aca8a Private named instance fields (#30829)
* Fix display of private names in language server

Signed-off-by: Joseph Watts <jwatts43@bloomberg.net>
Signed-off-by: Max Heiber <max.heiber@gmail.com>

* Parse private names

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* update parser error recovery tests to use ¬ not #

The intent of the tests seemed to be to
regiment the behavior of the parser
when a weird symbol is encountered.

The `#` is now taken by private identifiers,
so `¬` seems like a good new choice for
keeping the diff small, since it also fits in
16 bits (wide emojis would be treated
as multiple characters, since the scanner
uses ++).

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* Private Name Support in the Checker (#5)

- [x] treat private names as unique:
    - case 1: cannot say that a variable is of a class type unless the variable points to an instance of the class
        - see [test](https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNamesUnique.ts)
    - case 2: private names in class hierarchies do not conflict
        - see [test](https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNamesNoConflictWhenInheriting.ts)
- [x] `#constructor` is reserved
    - see [test](https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNameConstructorReserved.ts)
    - check in `bindWorker`, where every node is visited
- [x] Accessibility modifiers can't be used with private names
    - see [test](https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNamesNoAccessibilityModifiers.ts)
    - implemented in `checkAccessibilityModifiers`, using `ModifierFlags.AccessibilityModifier`
- [x] `delete #foo` not allowed
- [x] Private name accesses not allowed outside of the defining class
    - see test: https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNameNotAccessibleOutsideDefiningClass.ts
    - see [test](https://github.com/mheiber/TypeScript/tree/checker/tests/cases/conformance/classes/members/privateNames/privateNamesNoDelete.ts)
    - implemented in `checkDeleteExpression`
- [x] Do [the right thing](https://gist.github.com/mheiber/b6fc7adb426c2e1cdaceb5d7786fc630) for nested classes

mv private name tests together

more checker tests for private names

update naming and cleanup for check private names

for private name support in the checker:
- make names more consistent
- remove unnecessary checks
- add utility function to public API
- other small cleanup

Move getPropertyNameForUniqueESSymbol to utility

for consistency with other calculation of
special property names (starting with __),
move the calculation of property names for
unique es symbols to `utilities.ts`.

private name tests strict+es6

Update private name tests to use 'strict'
type checking and to target es6 instead of
default. Makes the js output easier to read
and tests more surface area with other
checker features.

error message for private names in obj literals

Disallow decorating private-named properties
because the spec is still in flux.

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* Add private instance field transformation, pr feedback

Implements private instance fields on top of the class properties refactor.

This commit also includes incorporation of PR feedback on the
checker, parser, and transformer in order to make the rebase
manageable.

Co-Authored-By: Max Heiber <max.heiber@gmail.com>
Co-Authored-By: Ron Buckton <ron.buckton@microsoft.com>

Signed-off-by: Joey Watts <jwatts43@bloomberg.net>
Signed-off-by: Max Heiber <max.heiber@gmail.com>

Incorporate PR feedback

Fix checker crash with new block scoped bindings

Add classExpressionInLoop test

Update baselines for private name errors

Apply suggestions from code review

Fix privateNameFieldCallExpression test

Remove unnecessary comment

Fix PropertyAccessEntityNameExpression type

Remove PrivateName from PropertyNameLiteral

Add createPrivateName

Remove PrivateName type from textSourceNode

Add Debug asserts for invalid syntax kinds

Don't output private name syntax when undeclared

Make PrivateName extend Node

Update baselines for public API

Fix completions in language server

Fix fourslash test crash

intern private name descriptions

undo expensive node.name.parent assignment

Back the way things were on `master`: only
assign node.name.parent when we need to

Add tests for private names and JSDoc

Patch hoverOverPrivateName fourslash test

Fix goToDefinition for private-named fields

remove Debug.fail for private name outside class

Remove Debug.fail in binder.ts::`getDeclarationName`.
It turns out this code path *does* get hit (intentionally).

For best error messages, return `undefined` and rely
on the parser generating a good error message

"Private names are not allowed outside class bodies"

Add rbuckton test cases for private names

These test cases specifically exercise where
we needed to use name-mangling. They are
cases where private names have the same
description.

- private names no conflict when inheriting
- private names distinct even when
the two classes have the same name

check dup instance+static private identifiers

class A {
    #foo;
    static #foo;
}

not allowed because static and private names
share the same lexical scope
https://tc39.es/proposal-class-fields/#prod-ClassBody

refactor getPropertyForPrivateName, rel spans

refactor getPropertyForPrivateName so
it is easier to read (use findAncestor instead
of loop).

Fix bugs in getPropertyForPrivateName:
- make it work with deeply-nested classes with
and without shadowing
- make it catch shadowing when the conflict is
between static and instance
private name descriptions (these can actually
clash)

And add related spans to diagnostics
for getPropertyForPrivateName

catch conflicts between static and instance
private identifiers:
- cannot have an instance and static private identifier
  with the same spelling, as there is only one namespace
  for private names

rename 'PrivateName' to 'PrivateIdentifier'

to match the change of wording in the spec
prposal:

https://tc39.es/proposal-class-fields/#sec-syntax

The rename in the spec was to avoid confusion
between the AST Node PrivateIdentifier
and the internal spec type PrivateName.

So one uses the [[Description]] of a
PrivateIdentifier to look up the PrivateName
for a given scope.

This corresponds closely to our implementation
in the binder and checker:
- we mangle PrivateIdentifier.escapedText to
get a `key` which we use to get the symbol
for a property

f

getLiteralTypeFromProperty-check privateIdentifier

rename and simplify privateNameAndAny test case

make it clearer that all this test is showing is
that we allow accessing arbitrary private identifiers
on `any`.

Note: we could have something more sound here by
checking that there is a private-named field declaration
in a class scope above the property access.

Discussion:
https://github.com/microsoft/TypeScript/pull/30829/files#r302760015

Fix typo in checker

s/identifer/identifier

remove accidental change

patch fourslash test broken by isPrivateIdentifier

just needed to add a check to see if the symbol
.name is defined

extract reportUnmatchedProperty

per @nsandersn feedback

propertiesRelatedTo was getting to long

pull out the unmatchedProperty reporting into
a seprate function

fix typo in private names test

Fix type soundness with private names

Remove PrivateIdentifier from emit with Expr hint

Fixup helpers and set function name for privates

remove accidentally-committed baselines

These baselines somehow ended up in this pr,
though they have nothing to do with the changes

Revert "getLiteralTypeFromProperty-check privateIdentifier"

This reverts commit bd1155c300bc3517a0543580f4790268f86e473f.

reason: the check for isIdentifier in
getLiteralTypeFromProperty is superfluous because
we do this check in getLiteralTypeFromPropertyName

Update comment in private name uniqueness test 3

I think the comments were not accurate and that we
export the error on `this.#x = child.#x` because:
- private names are lexically scoped: the code in question is not in a
lexical scope under the definition of Child's #x.
- private names are private to their containing class: never inherited

This expected behavior matches that of Chrome Canary and
my understanding of the spec

test private names use before def, circular ref

test private names use before def, circular ref

update diagnosticMessages s/delete/'delete'

per @DanielRosenwasser and @sandersn guidance,
use this style in diagnostic messages:

"operand of a 'delete' operator" (single quotes)

rather than old style:

"operand of a delete operator" (single quotes)

This is for consistency, as we use the new
style in the privateIdentifiers error messages
and it is consistent with our messages about
other operators

incorporate private names early exit feedback

and code style change to use a ternary
instead of if so we can 'const'

require private-named fields to be declared in JS

All fields must be declared in TS files.

In JS files, we typically do not have this requirement.

So special-case private fields, which must always
be declared (even in JS files, per spec)

update debug failure for es2015 private identifier

Co-Authored-By: Ron Buckton <ron.buckton@microsoft.com>

fix checker handling of private name in subclasse

update checker and tests to account for the
following ts features:

- private names do not participate in
the prototype chain, but *are* assigned
in the parent class' constructor. So
parent can access its *own* private fields
on instances of the subclass

Add more tests for private-named fields in JS

add test to hit symbolToExpression w private names

symbolToExpression knows about private names
add a test to exercise this code path

ban private-named static methods (not supported yet)

ban private-named methods (not supported yet)

ban private-named accessors (not supported yet)

fix privateIdentifier fourslash test

change assertion throw to return

Co-Authored-By: Ron Buckton <ron.buckton@microsoft.com>

Update comment in checker.ts re reserved members

Remove case for privateIdentifier in EntityNameExpr

Remove case for privateIdentifier in
EntityNameExpr. That code path is never hit,
and privateIdnetifiers cannot be entity names.

remove unnecessary parentheses

Ban private identifier in enum

As the new test, 'privateNameEnumNoEmit',
shows, the checker now correctly makes
a diagnostic for private identifiers in enums.

However, when noEmit is false we
hit this assertion in the transformer.

This assertion will have to be removed
so that we have a diagnostic here instead
of an assertion error.

When the assertion is removed,
the 'privateNameEnum' baseline
will have to be updated

Fix destructuring assignment, use createCallBinding, remove unneeded helper

Add class private field helpers to external helpers

Remove private identifier enum assertion, use missing identifiers

Fix hash map inefficiency by only using get

Update baselines with empty identifier change

Add privateNameEnum test baselines

Fix private identifier destructuring (array assignment defaults, unique names)

Use createPrivateIdentifierAssignment in destructuring transform

Fix lint error

Separate destructuring target visitor from regular visitor

Fix destructuring assignment with this bindings

Fix destructuring assignment with this bindings

Fix syntax error with destructuring assignment output

Disallow private identifiers in property signatures

remove duplicate test baselines

Add tests for undeclarated private identifiers

remove unnecessary cast

Nicer error message for mis-placed hashbang

Workaround v8 bug with destructured assignments

Optimize private identifier stack lookup

Avoid the cost of performing an array lookup to look at the top of the
private identifier environment stack.

Change function name to be more specific

Changes "getOperatorForCompoundAssignment" to
"getNonAssignmentOperatorForCompoundAssignment" now that this
function is accessible to the entire compiler.

Improve test case for private name assignment

Adds a compound assignment test case for a class with private names
being declared on the left-hand-side of the assignment expression.

Remove extra non-private-field test

Remove isPrivateIdentifierAssignmentExpression helper

Don't transform private names in ESNext target

Preserve private fields initialized to functions

Move function expressions to outer scope for efficiency

Add WeakMap collision check

Modify potential WeakMap collision condition

Fix this property assignment binding with private names

Add correct error message for WeakMap collision

Add error for statements before super with private identifiers

Refactor getPropertyForPrivateIdentifier

Add test for private identifier fields initialized to class exprs

Fix shebang errors

Fix private errors on index signatures

Add codefix for missing private property

Update error messages for unsupported private features

Fix inheritance-related errors

Fixes inheritance-related errors with private identifiers by resolving
properties from base classes. Private identifiers do not show up as
properties on a union type, so those do not type-check.

Add test for interface extending class with private access

Remove debugging log

Remove name assignment from private named functions

Rename to getPrivateIdentifierPropertyOfType

Fix index signature test comment

Fix test target syntax error

Change error messages

patch private identifiers outside class bodies

Add test for private identifier with ooo super

Add test for a class with a private identifier
with a non-preambly (for example, not a comment)
statement before 'super':

should error, saying 'super' must come first

Fix nits

incorporate PR feedback

Incorporate checker feedback

- reorganize if statements in checkFunctionOrConstructorSymbol
- remove overload for getPrivateIdentifierPropertyOfType

reorganize if statements in checkFunctionOrConstructorSymbol

test for private names with JSX

use getPropertyOftype in getPropertyForPrivateIdentifier

getPrivateIdentifierPropertyOfType error on synthetic

make getPrivateIdentifierPropertyOfType  error
if given a node that is not from the parse tree

Simplify checkPrivateIdentifierPropertyAccess

use getPropertiesOfType instead of
rehashing that logic

test for private identifiers w decl merging

fix test target for privateNameDeclarationMerging

update baselines

Fix private identifier ++/-- numeric coercion

Remove 'downleveled' from super error

Fix bad comments in helper call emit

Error on private identifiers in JSX tag names

Add more private identifier tests

Add es2015 target for private name destructured binding test

Add privateNameConstructorSignature test

Add test for navigation bar w private identifier

Remove spurious line from test

// in js file
class A {
    exports.#foo = 3; // should error
}

The above line failed to produce an error
when run using the test harness.

When using tsc or the language server,
we got the expected error message.

Removing the troublesome line, as it
seems to say more about the test runner
than about the code it is testing.

Fix inefficient constructor generation

dts: don't emit type for private-identified field

Do not emit types for private-identified fields
when generating declaration files.

// example.ts
export class A {
    #foo: number;
}

// example.d.ts

export declare class A {
    #foo;
}

**This is not ideal!**

The following would be better:

// example.d.ts

export declare unique class A {
    #foo;
}

See discussion:

https://github.com/microsoft/TypeScript/pull/33038#issuecomment-530321165

notice when private-identified field unused

Notice when private-identified fields are unused,
and implement the same behavior as for unused
private-modified fields.

This is used in the language server to make things
grayed out.

This case generates an error when --noUnusedLocals
flag is passed to tsc:
    - "<name> is declared but never used"

accept baselines

Revert "dts: don't emit type for private-identified field"

This reverts commit e50305df5fb88121486291abad14478f5339a455.

Instead of just excluding the type from private identifier
emit, only emit a single private identifier
per class.

This accomplishes nominality while
hiding implementation detail that
is irrelevant to .d.ts consumers

only emit a single private identifier in dts

In dts emit, emit at most one private identifier,
and rename it to `#private`.

refactor getPrivateIdentifierPropertyOfType

- safer check for wehther is parse tree node
- return undefined when not found (instead of
a Debug.fail)

Incorporate PR feedback

Don't rely on parent pointers in transform

Passes context about whether the postfix unary expression value is
discarded down the tree into the visitPostfixUnaryExpression function.

Remove orphaned test baseline files

remove unreachable if

Check `any`-typed private identified fields

Update private identifier incompatible modifier checks

- disallow 'abstract' with private identifiers
- s/private-named-property/private identifier

Add additional call expression test cases

Fix disallow 'abstract' with private identifier

Static private identifiers not inherited

Including this in the PR for private
instance fields even though static
private identifiers are banned.

Reason: this change
improves quality of error messages,
see test case.

Thanks Ron!

Simplifiy private identifier 'any' type handling

Error on private identifier declarations for ES5/ES3

Bind `this` for private identifier property tagged template literals

Fix target for jsdocPrivateName1 test

Update getPrivateIdentifierPropertyOfType API

Make it easier to use by accepting a string
and location, rather than a PrivateIdentifier.

Thanks Ron!

remove orphaned tests

rename test

remove duplicate tests

Remove unrelated error from test

update diagnostic message 'private identifier'

The nodes for hash private fields are now
called 'private identifier'. Update one last
diagnostic message to use the new terminology.

refine solution for static private identifier fields

- use `continue` instead of `filter` for perf
- better naming
- make it clear the current solution will
need to be altered when we lift the ban on
static private identifier fields, including
a test case that should change in the future

Fix display of private identifiers in lang server

Fix bug where private identifiers in completion
tooltips in the playground were showing up
as the symbol table entries (with underscores and such).

https://github.com/microsoft/TypeScript/pull/30829#issuecomment-534157560
Signed-off-by: Max Heiber <max.heiber@gmail.com>

* fix privateIdentifier w !useDefineForClassFields

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* Disallow PrivateIdentifier in Optional Chains

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* restrict privateIdentifier completions correctly

Don't autocomplete privateIdentifiers in
places where they are not allowed.

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* make PrivateIdentifier not a PropertyNameLiteral

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* Added test.

* Accepted baselines.

* Update symbol serializer to understand private fields in JS `.d.ts` emit.

* Accepted baselines.

* fix for private field no initializer esnext

Signed-off-by: Max Heiber <max.heiber@gmail.com>

* fix private fields .d.ts emit for JS w expando

fix bug where the following in a JS file
would lead to a `#private` in the .d.ts:

```js
class C {
    constructor () {
        this.a = 3
    }
}
```

Co-authored-by: Joey Watts <joey.watts.96@gmail.com>
Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
2019-12-27 13:07:35 -08:00
Alexander T 320adf5ce0 show an error if --showConfig is enabled and tsconfig.json does not exist (#35723) 2019-12-23 12:30:21 -08:00
Kagami Sascha Rosylight 05a2f1b110 Support bigints in ES2020 (#33874) 2019-12-23 12:18:52 -08:00
Kagami Sascha Rosylight d66e959a74 Add ES2020 to diagnostic messages (#35814) 2019-12-23 11:40:41 -08:00
Ron Buckton 114dad7f56
Add top-level await for esnext and system modules (#35813) 2019-12-22 13:24:31 -08:00
Daniel Rosenwasser 35a3a5fbaf Merge remote-tracking branch 'origin' into convert-to-template 2019-12-20 16:46:37 -08:00