TypeScript/tests/cases/fourslash/refactorConvertToOptionalChainExpression_ExpressionStatementValidSpans.ts

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Add refactor convertToOptionalChainExpression (#39135) * add convertOptionalChain * cover more cases * expose containsMatchingReference * clean up performing edits * bound start position * add tests * refactor and handle edge cases * update tests * consider explicit requests for empty spans * update fourslash to use trigger reason * add tests cases for trigger reason * fix errors * remove type assertion * fix non ampersand chains * clean up some logic * add ternary case * add diagnostic message * add nullish check for ternary expressions * Update src/services/refactors/convertToOptionalChainExpression.ts Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com> * Update src/services/refactors/convertToOptionalChainExpression.ts Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com> * Update tests/cases/fourslash/refactorConvertToOptionalChainExpressionForTriggerReason3.ts Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com> * Update tests/cases/fourslash/refactorConvertToOptionalChainExpressionForTriggerReason1.ts Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com> * reformat and remove unused checks * allow any for ternary refactor * add tests * add tests * check return and variable statements * use isMatchingReference instead of containsMatchingReference * allow partial selections * fine tune selection ranges * recurse for call expressions * fix spellings * add recursive cases * remove isOrContainsMatchingReference * cleanup * more refactoring * cleanup * rename tests * address PR comments * check match syntactically * handle another call expression case * some renames * inline some checks * add test * address comments * add refactorNotAvailableReason Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-07-14 04:33:33 +02:00
/// <reference path='fourslash.ts' />
////let a = { b: { c: 0 } };
/////*1a*/let x1 = a && a.b && a.b.c;/*1b*/
////let x2 = /*2a*/a && a.b && a.b.c;/*2b*/
////let x3 = /*3a*/a && a.b && a.b.c/*3b*/;
////let x4 = /*4a*/a.b ? a.b.c : "whenFalse"/*4b*/;
goTo.select("1a", "1b");
verify.refactorAvailable("Convert to optional chain expression");
goTo.select("2a", "2b");
verify.refactorAvailable("Convert to optional chain expression");
goTo.select("3a", "3b");
verify.refactorAvailable("Convert to optional chain expression");
goTo.select("4a", "4b");
verify.refactorAvailable("Convert to optional chain expression");