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Plain JS binder errors (#46816) 

* Plain JS binder errors

Issue select errors from the binder in JS files that do not have checkJS
explicitly turned on or off. These errors mirror runtime checks done by
Javascript.

* Rest of plain JS binder errors

* address PR comments

* Only issue binder errors in plain JS.

Checker errors require requesting diagnostics, which stll needs to be
peformance tested.

This commit removes one cross-file duplicate declaration error in the tests.

* fix const lint
This commit is contained in:
Nathan Shively-Sanders 2021-11-18 17:13:06 -08:00 committed by GitHub
parent 6143237376
commit 868c275fdf
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GPG Key ID: 4AEE18F83AFDEB23
32 changed files with 893 additions and 9 deletions
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42
src/compiler/program.ts
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@ -818,6 +818,25 @@ namespace ts {
}
}
/** @internal */
export const plainJSErrors: Set<number> = new Set([
Diagnostics.Cannot_redeclare_block_scoped_variable_0.code,
Diagnostics.A_module_cannot_have_multiple_default_exports.code,
Diagnostics.Another_export_default_is_here.code,
Diagnostics.The_first_export_default_is_here.code,
Diagnostics.Identifier_expected_0_is_a_reserved_word_at_the_top_level_of_a_module.code,
Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode.code,
Diagnostics.Identifier_expected_0_is_a_reserved_word_that_cannot_be_used_here.code,
Diagnostics.constructor_is_a_reserved_word.code,
Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode.code,
Diagnostics.Code_contained_in_a_class_is_evaluated_in_JavaScript_s_strict_mode_which_does_not_allow_this_use_of_0_For_more_information_see_https_Colon_Slash_Slashdeveloper_mozilla_org_Slashen_US_Slashdocs_SlashWeb_SlashJavaScript_SlashReference_SlashStrict_mode.code,
Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode.code,
Diagnostics.Invalid_use_of_0_in_strict_mode.code,
Diagnostics.A_label_is_not_allowed_here.code,
Diagnostics.Octal_literals_are_not_allowed_in_strict_mode.code,
Diagnostics.with_statements_are_not_allowed_in_strict_mode.code,
]);
/**
* Determine if source file needs to be re-created even if its text hasn't changed
*/
@ -2005,15 +2024,24 @@ namespace ts {
Debug.assert(!!sourceFile.bindDiagnostics);
const isCheckJs = isCheckJsEnabledForFile(sourceFile, options);
const isJs = sourceFile.scriptKind === ScriptKind.JS || sourceFile.scriptKind === ScriptKind.JSX;
const isCheckJs = isJs && isCheckJsEnabledForFile(sourceFile, options);
const isPlainJs = isJs && !sourceFile.checkJsDirective && options.checkJs === undefined;
const isTsNoCheck = !!sourceFile.checkJsDirective && sourceFile.checkJsDirective.enabled === false;
// By default, only type-check .ts, .tsx, 'Deferred' and 'External' files (external files are added by plugins)
const includeBindAndCheckDiagnostics = !isTsNoCheck && (sourceFile.scriptKind === ScriptKind.TS || sourceFile.scriptKind === ScriptKind.TSX
|| sourceFile.scriptKind === ScriptKind.External || isCheckJs || sourceFile.scriptKind === ScriptKind.Deferred);
const bindDiagnostics: readonly Diagnostic[] = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : emptyArray;
const checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : emptyArray;
return getMergedBindAndCheckDiagnostics(sourceFile, includeBindAndCheckDiagnostics, bindDiagnostics, checkDiagnostics, isCheckJs ? sourceFile.jsDocDiagnostics : undefined);
// By default, only type-check .ts, .tsx, Deferred, plain JS, checked JS and External
// - plain JS: .js files with no // ts-check and checkJs: undefined
// - check JS: .js files with either // ts-check or checkJs: true
// - external: files that are added by plugins
const includeBindAndCheckDiagnostics = !isTsNoCheck && (sourceFile.scriptKind === ScriptKind.TS || sourceFile.scriptKind === ScriptKind.TSX
|| sourceFile.scriptKind === ScriptKind.External || isPlainJs || isCheckJs || sourceFile.scriptKind === ScriptKind.Deferred);
let bindDiagnostics: readonly Diagnostic[] = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : emptyArray;
const checkDiagnostics = includeBindAndCheckDiagnostics && !isPlainJs ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : emptyArray;
if (isPlainJs) {
bindDiagnostics = filter(bindDiagnostics, d => plainJSErrors.has(d.code));
}
// skip ts-expect-error errors in plain JS files, and skip JSDoc errors except in checked JS
return getMergedBindAndCheckDiagnostics(sourceFile, includeBindAndCheckDiagnostics && !isPlainJs, bindDiagnostics, checkDiagnostics, isCheckJs ? sourceFile.jsDocDiagnostics : undefined);
});
}

46
tests/baselines/reference/argumentsReferenceInConstructor4_Js.errors.txt Normal file
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@ -0,0 +1,46 @@
/a.js(18,9): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
==== /a.js (1 errors) ====
class A {
/**
* Constructor
*
* @param {object} [foo={}]
*/
constructor(foo = {}) {
const key = "bar";
/**
* @type object
*/
this.foo = foo;
/**
* @type object
*/
const arguments = this.arguments;
~~~~~~~~~
!!! error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
/**
* @type object
*/
this.bar = arguments.bar;
/**
* @type object
*/
this.baz = arguments[key];
/**
* @type object
*/
this.options = arguments;
}
get arguments() {
return { bar: {} };
}
}

44
tests/baselines/reference/argumentsReferenceInMethod4_Js.errors.txt Normal file
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@ -0,0 +1,44 @@
/a.js(16,9): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
==== /a.js (1 errors) ====
class A {
/**
* @param {object} [foo={}]
*/
m(foo = {}) {
const key = "bar";
/**
* @type object
*/
this.foo = foo;
/**
* @type object
*/
const arguments = this.arguments;
~~~~~~~~~
!!! error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
/**
* @type object
*/
this.bar = arguments.bar;
/**
* @type object
*/
this.baz = arguments[key];
/**
* @type object
*/
this.options = arguments;
}
get arguments() {
return { bar: {} };
}
}

10
tests/baselines/reference/jsdocTypedefNoCrash2.errors.txt
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@ -1,12 +1,18 @@
tests/cases/compiler/export.js(1,13): error TS2451: Cannot redeclare block-scoped variable 'foo'.
tests/cases/compiler/export.js(1,13): error TS8008: Type aliases can only be used in TypeScript files.
tests/cases/compiler/export.js(6,14): error TS2451: Cannot redeclare block-scoped variable 'foo'.
==== tests/cases/compiler/export.js (1 errors) ====
==== tests/cases/compiler/export.js (3 errors) ====
export type foo = 5;
~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'foo'.
~~~
!!! error TS8008: Type aliases can only be used in TypeScript files.
/**
* @typedef {{
* }}
*/
export const foo = 5;
export const foo = 5;
~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'foo'.

97
tests/baselines/reference/plainJSBinderErrors.errors.txt Normal file
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@ -0,0 +1,97 @@
tests/cases/conformance/salsa/plainJSBinderErrors.js(1,1): error TS2528: A module cannot have multiple default exports.
tests/cases/conformance/salsa/plainJSBinderErrors.js(2,1): error TS2528: A module cannot have multiple default exports.
tests/cases/conformance/salsa/plainJSBinderErrors.js(3,7): error TS1262: Identifier expected. 'await' is a reserved word at the top-level of a module.
tests/cases/conformance/salsa/plainJSBinderErrors.js(4,7): error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(6,11): error TS1359: Identifier expected. 'await' is a reserved word that cannot be used here.
tests/cases/conformance/salsa/plainJSBinderErrors.js(9,11): error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(12,5): error TS18012: '#constructor' is a reserved word.
tests/cases/conformance/salsa/plainJSBinderErrors.js(15,20): error TS1102: 'delete' cannot be called on an identifier in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(18,16): error TS1102: 'delete' cannot be called on an identifier in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(19,16): error TS1102: 'delete' cannot be called on an identifier in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(22,15): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'eval'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(23,15): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(26,27): error TS1121: Octal literals are not allowed in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(27,9): error TS1101: 'with' statements are not allowed in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(33,13): error TS1344: 'A label is not allowed here.
tests/cases/conformance/salsa/plainJSBinderErrors.js(39,7): error TS1215: Invalid use of 'eval'. Modules are automatically in strict mode.
tests/cases/conformance/salsa/plainJSBinderErrors.js(40,7): error TS1215: Invalid use of 'arguments'. Modules are automatically in strict mode.
==== tests/cases/conformance/salsa/plainJSBinderErrors.js (17 errors) ====
export default 12
~~~~~~~~~~~~~~~~~
!!! error TS2528: A module cannot have multiple default exports.
!!! related TS2753 tests/cases/conformance/salsa/plainJSBinderErrors.js:2:1: Another export default is here.
export default 13
~~~~~~~~~~~~~~~~~
!!! error TS2528: A module cannot have multiple default exports.
!!! related TS2752 tests/cases/conformance/salsa/plainJSBinderErrors.js:1:1: The first export default is here.
const await = 1
~~~~~
!!! error TS1262: Identifier expected. 'await' is a reserved word at the top-level of a module.
const yield = 2
~~~~~
!!! error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
async function f() {
const await = 3
~~~~~
!!! error TS1359: Identifier expected. 'await' is a reserved word that cannot be used here.
}
function* g() {
const yield = 4
~~~~~
!!! error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
}
class C {
#constructor = 5
~~~~~~~~~~~~
!!! error TS18012: '#constructor' is a reserved word.
deleted() {
function container(f) {
delete f
~
!!! error TS1102: 'delete' cannot be called on an identifier in strict mode.
}
var g = 6
delete g
~
!!! error TS1102: 'delete' cannot be called on an identifier in strict mode.
delete container
~~~~~~~~~
!!! error TS1102: 'delete' cannot be called on an identifier in strict mode.
}
evalArguments() {
const eval = 7
~~~~
!!! error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'eval'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
const arguments = 8
~~~~~~~~~
!!! error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
}
withOctal() {
const redundant = 010
~~~
!!! error TS1121: Octal literals are not allowed in strict mode.
with (redundant) {
~~~~
!!! error TS1101: 'with' statements are not allowed in strict mode.
return toFixed()
}
}
label() {
for(;;) {
label: var x = 1
~~~~~
!!! error TS1344: 'A label is not allowed here.
break label
}
return x
}
}
const eval = 9
~~~~
!!! error TS1215: Invalid use of 'eval'. Modules are automatically in strict mode.
const arguments = 10
~~~~~~~~~
!!! error TS1215: Invalid use of 'arguments'. Modules are automatically in strict mode.

84
tests/baselines/reference/plainJSBinderErrors.js Normal file
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@ -0,0 +1,84 @@
//// [plainJSBinderErrors.js]
export default 12
export default 13
const await = 1
const yield = 2
async function f() {
const await = 3
}
function* g() {
const yield = 4
}
class C {
#constructor = 5
deleted() {
function container(f) {
delete f
}
var g = 6
delete g
delete container
}
evalArguments() {
const eval = 7
const arguments = 8
}
withOctal() {
const redundant = 010
with (redundant) {
return toFixed()
}
}
label() {
for(;;) {
label: var x = 1
break label
}
return x
}
}
const eval = 9
const arguments = 10
//// [plainJSBinderErrors.js]
export default 12;
export default 13;
const await = 1;
const yield = 2;
async function f() {
const await = 3;
}
function* g() {
const yield = 4;
}
class C {
#constructor = 5;
deleted() {
function container(f) {
delete f;
}
var g = 6;
delete g;
delete container;
}
evalArguments() {
const eval = 7;
const arguments = 8;
}
withOctal() {
const redundant = 010;
with (redundant) {
return toFixed();
}
}
label() {
for (;;) {
label: var x = 1;
break label;
}
return x;
}
}
const eval = 9;
const arguments = 10;

86
tests/baselines/reference/plainJSBinderErrors.symbols Normal file
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@ -0,0 +1,86 @@
=== tests/cases/conformance/salsa/plainJSBinderErrors.js ===
export default 12
export default 13
const await = 1
>await : Symbol(await, Decl(plainJSBinderErrors.js, 2, 5))
const yield = 2
>yield : Symbol(yield, Decl(plainJSBinderErrors.js, 3, 5))
async function f() {
>f : Symbol(f, Decl(plainJSBinderErrors.js, 3, 15))
const await = 3
>await : Symbol(await, Decl(plainJSBinderErrors.js, 5, 9))
}
function* g() {
>g : Symbol(g, Decl(plainJSBinderErrors.js, 6, 1))
const yield = 4
>yield : Symbol(yield, Decl(plainJSBinderErrors.js, 8, 9))
}
class C {
>C : Symbol(C, Decl(plainJSBinderErrors.js, 9, 1))
#constructor = 5
>#constructor : Symbol(C.#constructor, Decl(plainJSBinderErrors.js, 10, 9))
deleted() {
>deleted : Symbol(C.deleted, Decl(plainJSBinderErrors.js, 11, 20))
function container(f) {
>container : Symbol(container, Decl(plainJSBinderErrors.js, 12, 15))
>f : Symbol(f, Decl(plainJSBinderErrors.js, 13, 27))
delete f
>f : Symbol(f, Decl(plainJSBinderErrors.js, 13, 27))
}
var g = 6
>g : Symbol(g, Decl(plainJSBinderErrors.js, 16, 11))
delete g
>g : Symbol(g, Decl(plainJSBinderErrors.js, 16, 11))
delete container
>container : Symbol(container, Decl(plainJSBinderErrors.js, 12, 15))
}
evalArguments() {
>evalArguments : Symbol(C.evalArguments, Decl(plainJSBinderErrors.js, 19, 5))
const eval = 7
>eval : Symbol(eval, Decl(plainJSBinderErrors.js, 21, 13))
const arguments = 8
>arguments : Symbol(arguments, Decl(plainJSBinderErrors.js, 22, 13))
}
withOctal() {
>withOctal : Symbol(C.withOctal, Decl(plainJSBinderErrors.js, 23, 5))
const redundant = 010
>redundant : Symbol(redundant, Decl(plainJSBinderErrors.js, 25, 13))
with (redundant) {
>redundant : Symbol(redundant, Decl(plainJSBinderErrors.js, 25, 13))
return toFixed()
}
}
label() {
>label : Symbol(C.label, Decl(plainJSBinderErrors.js, 29, 5))
for(;;) {
label: var x = 1
>x : Symbol(x, Decl(plainJSBinderErrors.js, 32, 22))
break label
}
return x
>x : Symbol(x, Decl(plainJSBinderErrors.js, 32, 22))
}
}
const eval = 9
>eval : Symbol(eval, Decl(plainJSBinderErrors.js, 38, 5))
const arguments = 10
>arguments : Symbol(arguments, Decl(plainJSBinderErrors.js, 39, 5))

105
tests/baselines/reference/plainJSBinderErrors.types Normal file
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@ -0,0 +1,105 @@
=== tests/cases/conformance/salsa/plainJSBinderErrors.js ===
export default 12
export default 13
const await = 1
>await : 1
>1 : 1
const yield = 2
>yield : 2
>2 : 2
async function f() {
>f : () => Promise<void>
const await = 3
>await : 3
>3 : 3
}
function* g() {
>g : () => Generator<never, void, unknown>
const yield = 4
>yield : 4
>4 : 4
}
class C {
>C : C
#constructor = 5
>#constructor : number
>5 : 5
deleted() {
>deleted : () => void
function container(f) {
>container : (f: any) => void
>f : any
delete f
>delete f : boolean
>f : any
}
var g = 6
>g : number
>6 : 6
delete g
>delete g : boolean
>g : number
delete container
>delete container : boolean
>container : (f: any) => void
}
evalArguments() {
>evalArguments : () => void
const eval = 7
>eval : 7
>7 : 7
const arguments = 8
>arguments : 8
>8 : 8
}
withOctal() {
>withOctal : () => any
const redundant = 010
>redundant : 10
>010 : 10
with (redundant) {
>redundant : 10
return toFixed()
>toFixed() : any
>toFixed : any
}
}
label() {
>label : () => number
for(;;) {
label: var x = 1
>label : any
>x : number
>1 : 1
break label
>label : any
}
return x
>x : number
}
}
const eval = 9
>eval : 9
>9 : 9
const arguments = 10
>arguments : 10
>10 : 10

37
tests/baselines/reference/plainJSModuleStrict.errors.txt Normal file
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@ -0,0 +1,37 @@
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(1,1): error TS2528: A module cannot have multiple default exports.
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(2,1): error TS2528: A module cannot have multiple default exports.
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(3,7): error TS1262: Identifier expected. 'await' is a reserved word at the top-level of a module.
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(4,7): error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(6,11): error TS1359: Identifier expected. 'await' is a reserved word that cannot be used here.
tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js(9,11): error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
==== tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js (6 errors) ====
export default 12
~~~~~~~~~~~~~~~~~
!!! error TS2528: A module cannot have multiple default exports.
!!! related TS2753 tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js:2:1: Another export default is here.
export default 13
~~~~~~~~~~~~~~~~~
!!! error TS2528: A module cannot have multiple default exports.
!!! related TS2752 tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js:1:1: The first export default is here.
const await = 1
~~~~~
!!! error TS1262: Identifier expected. 'await' is a reserved word at the top-level of a module.
const yield = 2
~~~~~
!!! error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
async function f() {
const await = 3
~~~~~
!!! error TS1359: Identifier expected. 'await' is a reserved word that cannot be used here.
}
function* g() {
const yield = 4
~~~~~
!!! error TS1214: Identifier expected. 'yield' is a reserved word in strict mode. Modules are automatically in strict mode.
}
class C {
#constructor = 1
}

30
tests/baselines/reference/plainJSModuleStrict.js Normal file
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@ -0,0 +1,30 @@
//// [plainJSMultipleDefaultExport.js]
export default 12
export default 13
const await = 1
const yield = 2
async function f() {
const await = 3
}
function* g() {
const yield = 4
}
class C {
#constructor = 1
}
//// [plainJSMultipleDefaultExport.js]
export default 12;
export default 13;
const await = 1;
const yield = 2;
async function f() {
const await = 3;
}
function* g() {
const yield = 4;
}
class C {
#constructor = 1;
}

28
tests/baselines/reference/plainJSModuleStrict.symbols Normal file
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@ -0,0 +1,28 @@
=== tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js ===
export default 12
export default 13
const await = 1
>await : Symbol(await, Decl(plainJSMultipleDefaultExport.js, 2, 5))
const yield = 2
>yield : Symbol(yield, Decl(plainJSMultipleDefaultExport.js, 3, 5))
async function f() {
>f : Symbol(f, Decl(plainJSMultipleDefaultExport.js, 3, 15))
const await = 3
>await : Symbol(await, Decl(plainJSMultipleDefaultExport.js, 5, 9))
}
function* g() {
>g : Symbol(g, Decl(plainJSMultipleDefaultExport.js, 6, 1))
const yield = 4
>yield : Symbol(yield, Decl(plainJSMultipleDefaultExport.js, 8, 9))
}
class C {
>C : Symbol(C, Decl(plainJSMultipleDefaultExport.js, 9, 1))
#constructor = 1
>#constructor : Symbol(C.#constructor, Decl(plainJSMultipleDefaultExport.js, 10, 9))
}

33
tests/baselines/reference/plainJSModuleStrict.types Normal file
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@ -0,0 +1,33 @@
=== tests/cases/conformance/salsa/plainJSMultipleDefaultExport.js ===
export default 12
export default 13
const await = 1
>await : 1
>1 : 1
const yield = 2
>yield : 2
>2 : 2
async function f() {
>f : () => Promise<void>
const await = 3
>await : 3
>3 : 3
}
function* g() {
>g : () => Generator<never, void, unknown>
const yield = 4
>yield : 4
>4 : 4
}
class C {
>C : C
#constructor = 1
>#constructor : number
>1 : 1
}

13
tests/baselines/reference/plainJSRedeclare.errors.txt Normal file
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@ -0,0 +1,13 @@
tests/cases/conformance/salsa/plainJSRedeclare.js(1,7): error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
tests/cases/conformance/salsa/plainJSRedeclare.js(2,5): error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
==== tests/cases/conformance/salsa/plainJSRedeclare.js (2 errors) ====
const orbitol = 1
~~~~~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
var orbitol = 1 + false
~~~~~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
orbitol.toExponential()

10
tests/baselines/reference/plainJSRedeclare.js Normal file
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@ -0,0 +1,10 @@
//// [plainJSRedeclare.js]
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()
//// [plainJSRedeclare.js]
var orbitol = 1;
var orbitol = 1 + false;
orbitol.toExponential();

12
tests/baselines/reference/plainJSRedeclare.symbols Normal file
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@ -0,0 +1,12 @@
=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
var orbitol = 1 + false
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 1, 3))
orbitol.toExponential()
>orbitol.toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
>toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))

17
tests/baselines/reference/plainJSRedeclare.types Normal file
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=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : 1
>1 : 1
var orbitol = 1 + false
>orbitol : any
>1 + false : any
>1 : 1
>false : false
orbitol.toExponential()
>orbitol.toExponential() : string
>orbitol.toExponential : (fractionDigits?: number) => string
>orbitol : 1
>toExponential : (fractionDigits?: number) => string

16
tests/baselines/reference/plainJSRedeclare2.errors.txt Normal file
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tests/cases/conformance/salsa/plainJSRedeclare.js(1,7): error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
tests/cases/conformance/salsa/plainJSRedeclare.js(2,5): error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
tests/cases/conformance/salsa/plainJSRedeclare.js(2,15): error TS2365: Operator '+' cannot be applied to types 'number' and 'boolean'.
==== tests/cases/conformance/salsa/plainJSRedeclare.js (3 errors) ====
const orbitol = 1
~~~~~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
var orbitol = 1 + false
~~~~~~~
!!! error TS2451: Cannot redeclare block-scoped variable 'orbitol'.
~~~~~~~~~
!!! error TS2365: Operator '+' cannot be applied to types 'number' and 'boolean'.
orbitol.toExponential()

10
tests/baselines/reference/plainJSRedeclare2.js Normal file
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//// [plainJSRedeclare.js]
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()
//// [plainJSRedeclare.js]
var orbitol = 1;
var orbitol = 1 + false;
orbitol.toExponential();

12
tests/baselines/reference/plainJSRedeclare2.symbols Normal file
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=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
var orbitol = 1 + false
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 1, 3))
orbitol.toExponential()
>orbitol.toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
>toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))

17
tests/baselines/reference/plainJSRedeclare2.types Normal file
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=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : 1
>1 : 1
var orbitol = 1 + false
>orbitol : any
>1 + false : any
>1 : 1
>false : false
orbitol.toExponential()
>orbitol.toExponential() : string
>orbitol.toExponential : (fractionDigits?: number) => string
>orbitol : 1
>toExponential : (fractionDigits?: number) => string

10
tests/baselines/reference/plainJSRedeclare3.js Normal file
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//// [plainJSRedeclare.js]
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()
//// [plainJSRedeclare.js]
var orbitol = 1;
var orbitol = 1 + false;
orbitol.toExponential();

12
tests/baselines/reference/plainJSRedeclare3.symbols Normal file
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=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
var orbitol = 1 + false
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 1, 3))
orbitol.toExponential()
>orbitol.toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))
>orbitol : Symbol(orbitol, Decl(plainJSRedeclare.js, 0, 5))
>toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))

17
tests/baselines/reference/plainJSRedeclare3.types Normal file
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=== tests/cases/conformance/salsa/plainJSRedeclare.js ===
const orbitol = 1
>orbitol : 1
>1 : 1
var orbitol = 1 + false
>orbitol : any
>1 + false : any
>1 : 1
>false : false
orbitol.toExponential()
>orbitol.toExponential() : string
>orbitol.toExponential : (fractionDigits?: number) => string
>orbitol : 1
>toExponential : (fractionDigits?: number) => string

13
tests/baselines/reference/plainJSReservedStrict.errors.txt Normal file
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tests/cases/conformance/salsa/plainJSReservedStrict.js(2,7): error TS1100: Invalid use of 'eval' in strict mode.
tests/cases/conformance/salsa/plainJSReservedStrict.js(3,7): error TS1100: Invalid use of 'arguments' in strict mode.
==== tests/cases/conformance/salsa/plainJSReservedStrict.js (2 errors) ====
"use strict"
const eval = 1
~~~~
!!! error TS1100: Invalid use of 'eval' in strict mode.
const arguments = 2
~~~~~~~~~
!!! error TS1100: Invalid use of 'arguments' in strict mode.

10
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//// [plainJSReservedStrict.js]
"use strict"
const eval = 1
const arguments = 2
//// [plainJSReservedStrict.js]
"use strict";
const eval = 1;
const arguments = 2;

8
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=== tests/cases/conformance/salsa/plainJSReservedStrict.js ===
"use strict"
const eval = 1
>eval : Symbol(eval, Decl(plainJSReservedStrict.js, 1, 5))
const arguments = 2
>arguments : Symbol(arguments, Decl(plainJSReservedStrict.js, 2, 5))

12
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=== tests/cases/conformance/salsa/plainJSReservedStrict.js ===
"use strict"
>"use strict" : "use strict"
const eval = 1
>eval : 1
>1 : 1
const arguments = 2
>arguments : 2
>2 : 2

44
tests/cases/conformance/salsa/plainJSBinderErrors.ts Normal file
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// @outdir: out/
// @target: esnext
// @allowJS: true
// @filename: plainJSBinderErrors.js
export default 12
export default 13
const await = 1
const yield = 2
async function f() {
const await = 3
}
function* g() {
const yield = 4
}
class C {
#constructor = 5
deleted() {
function container(f) {
delete f
}
var g = 6
delete g
delete container
}
evalArguments() {
const eval = 7
const arguments = 8
}
withOctal() {
const redundant = 010
with (redundant) {
return toFixed()
}
}
label() {
for(;;) {
label: var x = 1
break label
}
return x
}
}
const eval = 9
const arguments = 10

6
tests/cases/conformance/salsa/plainJSRedeclare.ts Normal file
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// @outdir: out/
// @allowJS: true
// @filename: plainJSRedeclare.js
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()

7
tests/cases/conformance/salsa/plainJSRedeclare2.ts Normal file
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// @outdir: out/
// @allowJS: true
// @checkJS: true
// @filename: plainJSRedeclare.js
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()

7
tests/cases/conformance/salsa/plainJSRedeclare3.ts Normal file
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// @outdir: out/
// @allowJS: true
// @checkJS: false
// @filename: plainJSRedeclare.js
const orbitol = 1
var orbitol = 1 + false
orbitol.toExponential()

7
tests/cases/conformance/salsa/plainJSReservedStrict.ts Normal file
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// @outdir: out/
// @target: esnext
// @allowJS: true
// @filename: plainJSReservedStrict.js
"use strict"
const eval = 1
const arguments = 2