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Non-nullable types #7140

Merged
merged 65 commits into from
Mar 21, 2016
Merged

Non-nullable types #7140

merged 65 commits into from
Mar 21, 2016
+1,261 −980

Commits on Feb 15, 2016

  1. Introduce -strictNullChecks compiler option

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    ahejlsberg committed Feb 15, 2016
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  2. Parsing of nullable types

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    ahejlsberg committed Feb 15, 2016
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  3. Use TypeFlags.Undefined for both undefined and null types

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    ahejlsberg committed Feb 15, 2016
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  4. Make undefined and null assignable to each other

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    ahejlsberg committed Feb 15, 2016
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  5. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Feb 15, 2016
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  6. Introduce nullable types in checker

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    ahejlsberg committed Feb 15, 2016
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  7. Display support for nullable types

    @ahejlsberg
    ahejlsberg committed Feb 15, 2016
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  8. Don't widen undefined types in unions

    @ahejlsberg
    ahejlsberg committed Feb 15, 2016
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  9. Support nullable types with expression operators

    @ahejlsberg
    ahejlsberg committed Feb 15, 2016
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  10. Ensure empty array literal is assignable to array of non-null type in… 

    … strict null mode
    @ahejlsberg
    ahejlsberg committed Feb 15, 2016
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Commits on Feb 16, 2016

  1. Make types of optional parameters and properties nullable

    @ahejlsberg
    ahejlsberg committed Feb 16, 2016
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  2. Exclude undefined/null from flags propagation within union types

    @ahejlsberg
    ahejlsberg committed Feb 16, 2016
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  3. Add truthy/falsey guards for nullable types

    @ahejlsberg
    ahejlsberg committed Feb 16, 2016
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  4. Add missing semicolon

    @ahejlsberg
    ahejlsberg committed Feb 16, 2016
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Commits on Feb 18, 2016

  1. Add '!' non-null assertion postfix operator

    @ahejlsberg
    ahejlsberg committed Feb 18, 2016
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  2. Disallow line breaks between operand and '!' non-null assertion operator

    @ahejlsberg
    ahejlsberg committed Feb 18, 2016
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  3. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Feb 18, 2016
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  4. Correct && operator to produce nullable values

    @ahejlsberg
    ahejlsberg committed Feb 18, 2016
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Commits on Feb 19, 2016

  1. Merge branch 'master' into strictNullChecks 

    Conflicts:
	src/compiler/checker.ts
	src/compiler/types.ts
    @ahejlsberg
    ahejlsberg committed Feb 19, 2016
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  2. Support x == null and x != null in non-null guards. Also, allow == an… 

    …d != in type guards.
    @ahejlsberg
    ahejlsberg committed Feb 19, 2016
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  3. Accepting new baselines

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    ahejlsberg committed Feb 19, 2016
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Commits on Feb 20, 2016

  1. Suport both x != null and x != undefined in non-null type guards

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    ahejlsberg committed Feb 20, 2016
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  2. Merge branch 'master' into strictNullChecks

    @ahejlsberg
    ahejlsberg committed Feb 20, 2016
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Commits on Feb 21, 2016

  1. Merge branch 'master' into strictNullChecks

    @ahejlsberg
    ahejlsberg committed Feb 21, 2016
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Commits on Feb 27, 2016

  1. Support dotted names ("x.y.z") in type guards

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    ahejlsberg committed Feb 27, 2016
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Commits on Feb 28, 2016

  1. Fix getTypeOfSymbolAtLocation to handle hypothetical lookups

    @ahejlsberg
    ahejlsberg committed Feb 28, 2016
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  2. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Feb 28, 2016
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  3. Fix linting error

    @ahejlsberg
    ahejlsberg committed Feb 28, 2016
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Commits on Mar 3, 2016

  1. Assigned-before-use checking for non-nullable variables

    @ahejlsberg
    ahejlsberg committed Mar 3, 2016
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  2. Allow 'null' and 'undefined' as type names

    @ahejlsberg
    ahejlsberg committed Mar 3, 2016
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  3. Fix unit test

    @ahejlsberg
    ahejlsberg committed Mar 3, 2016
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  4. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Mar 3, 2016
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Commits on Mar 4, 2016

  1. Reinstate separate type kinds for 'null' and 'undefined'

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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  2. No widening of 'null' and 'undefined' types in --strictNullChecks mode

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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  3. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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  4. Consider for-in and for-of variables to be definitely assigned

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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  5. Extract and lift nullability over best common supertype

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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  6. Removing unused functions

    @ahejlsberg
    ahejlsberg committed Mar 4, 2016
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Commits on Mar 5, 2016

  1. Introduce comparable (a.k.a. possibly assignable) relation

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  2. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  3. Add only 'undefined' to optional parameter types

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  4. Fix bugs in reduceLeft and reduceRight

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  5. Include 'undefined' in return type for implicit or expressionless ret… 

    …urns
    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  6. Remove unused variable

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  7. Keep linter happy with fix in reduceLeft/reduceRight

    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  8. Proper handling of 'null' and 'undefined' in equals and not equals gu… 

    …ards
    @ahejlsberg
    ahejlsberg committed Mar 5, 2016
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  9. Treat 'return' as 'return undefined' for type checking purposes

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    ahejlsberg committed Mar 5, 2016
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Commits on Mar 6, 2016

  1. Check return type includes 'undefined' in function with implicit return

    @ahejlsberg
    ahejlsberg committed Mar 6, 2016
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  2. Improve type relationship error reporting for nullable types

    @ahejlsberg
    ahejlsberg committed Mar 6, 2016
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  3. Make 'undefined' assignable to 'void'

    @ahejlsberg
    ahejlsberg committed Mar 6, 2016
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Commits on Mar 7, 2016

  1. Fix issue with narrowing exported variables

    @ahejlsberg
    ahejlsberg committed Mar 7, 2016
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Commits on Mar 8, 2016

  1. Adding another check for undefined

    @ahejlsberg
    ahejlsberg committed Mar 8, 2016
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  2. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Mar 8, 2016
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Commits on Mar 9, 2016

  1. Merge branch 'master' into strictNullChecks 

    Conflicts:
	src/compiler/checker.ts
    @ahejlsberg
    ahejlsberg committed Mar 9, 2016
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Commits on Mar 10, 2016

  1. Better error message + fix assignment analysis of 'switch' statement

    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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  2. Support 'this' in type guards

    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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  3. Accepting new baselines

    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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  4. Fix linting error

    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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  5. Add 'undefined' to type of parameter with default value in signature

    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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  6. Remove 'undefined' from type of binding element with non-undefined de… 

    …fault value
    @ahejlsberg
    ahejlsberg committed Mar 10, 2016
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Commits on Mar 14, 2016

  1. Removing 'T?' type notation (use 'T | null | undefined' instead)

    @ahejlsberg
    ahejlsberg committed Mar 14, 2016
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  2. Remove 'T?' notation from type-to-string conversion

    @ahejlsberg
    ahejlsberg committed Mar 14, 2016
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  3. Merge branch 'master' into strictNullChecks

    @ahejlsberg
    ahejlsberg committed Mar 14, 2016
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Commits on Mar 21, 2016

  1. Merge branch 'master' into strictNullChecks 

    Conflicts:
	src/compiler/diagnosticMessages.json
	src/compiler/types.ts
	tests/baselines/reference/typeGuardOfFormTypeOfEqualEqualHasNoEffect.symbols
	tests/baselines/reference/typeGuardOfFormTypeOfNotEqualHasNoEffect.symbols
    @ahejlsberg
    ahejlsberg committed Mar 21, 2016
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  2. Accepting new baselines

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    ahejlsberg committed Mar 21, 2016
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