f619282af1
* Remove check narrowing only certain types, add test showing issues with this * string literal case test * Reconcile fix with CFA work * Defaultable -> NotNarrowable to align with use * Missed a defaultable in comments * Add test for narrowing to unions of string literals * Actually merge from master * Run fixupParentReferences when parsing isolated jsDocComment * initial revision of unit test support for project system in tsserver * Add non-widening forms of null and undefined * Create separate control flows for property declarations with initializers * Add regression test * Add tests * Remove unused variable * Add null check and CR feedback * Revert "Merge pull request #7235 from weswigham/narrow-all-types" This reverts commitef0f6c8fe4, reversing changes made to9f087cb62a. * reuse the fixupParentReferences function * Fix up error from merging with master
42 lines
996 B
TypeScript
42 lines
996 B
TypeScript
//// [arrayLiteralWidened.ts]
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// array literals are widened upon assignment according to their element type
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var a = []; // any[]
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var a = [,,];
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var a = [null, null];
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var a = [undefined, undefined];
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var b = [[], [null, null]]; // any[][]
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var b = [[], []];
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var b = [[undefined, undefined]];
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var c = [[[]]]; // any[][][]
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var c = [[[null]],[undefined]]
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// no widening when one or more elements are non-widening
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var x: undefined = undefined;
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var d = [x];
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var d = [, x];
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var d = [undefined, x];
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//// [arrayLiteralWidened.js]
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// array literals are widened upon assignment according to their element type
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var a = []; // any[]
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var a = [, ,];
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var a = [null, null];
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var a = [undefined, undefined];
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var b = [[], [null, null]]; // any[][]
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var b = [[], []];
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var b = [[undefined, undefined]];
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var c = [[[]]]; // any[][][]
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var c = [[[null]], [undefined]];
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// no widening when one or more elements are non-widening
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var x = undefined;
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var d = [x];
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var d = [, x];
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var d = [undefined, x];
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