mirror of
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synced 2026-05-16 07:13:45 -05:00
fix emit for delete on optional chain (#35090)
* fix emit for delete on optional chain * Apply suggestions from code review Co-Authored-By: Ron Buckton <ron.buckton@microsoft.com>
This commit is contained in:
Klaus Meinhardt
committed by
Ron Buckton
Ron Buckton
parent
8b83703632
commit
fce728e07f
@@ -24,7 +24,7 @@ namespace ts {
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case SyntaxKind.ElementAccessExpression:
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case SyntaxKind.CallExpression:
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if (node.flags & NodeFlags.OptionalChain) {
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const updated = visitOptionalExpression(node as OptionalChain, /*captureThisArg*/ false);
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const updated = visitOptionalExpression(node as OptionalChain, /*captureThisArg*/ false, /*isDelete*/ false);
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Debug.assertNotNode(updated, isSyntheticReference);
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return updated;
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}
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@@ -34,6 +34,8 @@ namespace ts {
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return transformNullishCoalescingExpression(<BinaryExpression>node);
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}
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return visitEachChild(node, visitor, context);
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case SyntaxKind.DeleteExpression:
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return visitDeleteExpression(node as DeleteExpression);
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default:
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return visitEachChild(node, visitor, context);
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}
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@@ -48,8 +50,8 @@ namespace ts {
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return { expression: chain.expression, chain: links };
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}
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function visitNonOptionalParenthesizedExpression(node: ParenthesizedExpression, captureThisArg: boolean): Expression {
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const expression = visitNonOptionalExpression(node.expression, captureThisArg);
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function visitNonOptionalParenthesizedExpression(node: ParenthesizedExpression, captureThisArg: boolean, isDelete: boolean): Expression {
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const expression = visitNonOptionalExpression(node.expression, captureThisArg, isDelete);
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if (isSyntheticReference(expression)) {
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// `(a.b)` -> { expression `((_a = a).b)`, thisArg: `_a` }
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// `(a[b])` -> { expression `((_a = a)[b])`, thisArg: `_a` }
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@@ -58,10 +60,10 @@ namespace ts {
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return updateParen(node, expression);
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}
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function visitNonOptionalPropertyOrElementAccessExpression(node: AccessExpression, captureThisArg: boolean): Expression {
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function visitNonOptionalPropertyOrElementAccessExpression(node: AccessExpression, captureThisArg: boolean, isDelete: boolean): Expression {
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if (isOptionalChain(node)) {
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// If `node` is an optional chain, then it is the outermost chain of an optional expression.
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return visitOptionalExpression(node, captureThisArg);
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return visitOptionalExpression(node, captureThisArg, isDelete);
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}
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let expression: Expression = visitNode(node.expression, visitor, isExpression);
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@@ -87,24 +89,24 @@ namespace ts {
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function visitNonOptionalCallExpression(node: CallExpression, captureThisArg: boolean): Expression {
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if (isOptionalChain(node)) {
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// If `node` is an optional chain, then it is the outermost chain of an optional expression.
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return visitOptionalExpression(node, captureThisArg);
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return visitOptionalExpression(node, captureThisArg, /*isDelete*/ false);
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}
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return visitEachChild(node, visitor, context);
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}
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function visitNonOptionalExpression(node: Expression, captureThisArg: boolean): Expression {
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function visitNonOptionalExpression(node: Expression, captureThisArg: boolean, isDelete: boolean): Expression {
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switch (node.kind) {
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case SyntaxKind.ParenthesizedExpression: return visitNonOptionalParenthesizedExpression(node as ParenthesizedExpression, captureThisArg);
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case SyntaxKind.ParenthesizedExpression: return visitNonOptionalParenthesizedExpression(node as ParenthesizedExpression, captureThisArg, isDelete);
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case SyntaxKind.PropertyAccessExpression:
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case SyntaxKind.ElementAccessExpression: return visitNonOptionalPropertyOrElementAccessExpression(node as AccessExpression, captureThisArg);
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case SyntaxKind.ElementAccessExpression: return visitNonOptionalPropertyOrElementAccessExpression(node as AccessExpression, captureThisArg, isDelete);
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case SyntaxKind.CallExpression: return visitNonOptionalCallExpression(node as CallExpression, captureThisArg);
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default: return visitNode(node, visitor, isExpression);
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}
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}
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function visitOptionalExpression(node: OptionalChain, captureThisArg: boolean): Expression {
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function visitOptionalExpression(node: OptionalChain, captureThisArg: boolean, isDelete: boolean): Expression {
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const { expression, chain } = flattenChain(node);
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const left = visitNonOptionalExpression(expression, isCallChain(chain[0]));
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const left = visitNonOptionalExpression(expression, isCallChain(chain[0]), /*isDelete*/ false);
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const leftThisArg = isSyntheticReference(left) ? left.thisArg : undefined;
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let leftExpression = isSyntheticReference(left) ? left.expression : left;
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let capturedLeft: Expression = leftExpression;
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@@ -152,11 +154,9 @@ namespace ts {
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setOriginalNode(rightExpression, segment);
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}
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const target = createConditional(
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createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true),
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createVoidZero(),
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rightExpression,
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);
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const target = isDelete
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? createConditional(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), createTrue(), createDelete(rightExpression))
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: createConditional(createNotNullCondition(leftExpression, capturedLeft, /*invert*/ true), createVoidZero(), rightExpression);
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return thisArg ? createSyntheticReferenceExpression(target, thisArg) : target;
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}
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@@ -197,5 +197,11 @@ namespace ts {
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expression.kind !== SyntaxKind.ThisKeyword &&
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expression.kind !== SyntaxKind.SuperKeyword;
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}
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function visitDeleteExpression(node: DeleteExpression) {
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return isOptionalChain(skipParentheses(node.expression))
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? setOriginalNode(visitNonOptionalExpression(node.expression, /*captureThisArg*/ false, /*isDelete*/ true), node)
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: updateDelete(node, visitNode(node.expression, visitor, isExpression));
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}
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}
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}
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42
tests/baselines/reference/deleteChain.js
Normal file
42
tests/baselines/reference/deleteChain.js
Normal file
@@ -0,0 +1,42 @@
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//// [deleteChain.ts]
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declare const o1: undefined | { b: string };
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delete o1?.b;
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delete (o1?.b);
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declare const o2: undefined | { b: { c: string } };
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delete o2?.b.c;
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delete (o2?.b.c);
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declare const o3: { b: undefined | { c: string } };
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delete o3.b?.c;
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delete (o3.b?.c);
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declare const o4: { b?: { c: { d?: { e: string } } } };
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delete o4.b?.c.d?.e;
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delete (o4.b?.c.d)?.e;
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delete (o4.b?.c.d?.e);
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declare const o5: { b?(): { c: { d?: { e: string } } } };
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delete o5.b?.().c.d?.e;
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delete (o5.b?.().c.d?.e);
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declare const o6: { b?: { c: { d?: { e: string } } } };
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delete o6.b?.['c'].d?.['e'];
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delete (o6.b?.['c'].d?.['e']);
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//// [deleteChain.js]
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"use strict";
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var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r;
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o1 === null || o1 === void 0 ? true : delete o1.b;
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(o1 === null || o1 === void 0 ? true : delete o1.b);
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o2 === null || o2 === void 0 ? true : delete o2.b.c;
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(o2 === null || o2 === void 0 ? true : delete o2.b.c);
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(_a = o3.b) === null || _a === void 0 ? true : delete _a.c;
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((_b = o3.b) === null || _b === void 0 ? true : delete _b.c);
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(_d = (_c = o4.b) === null || _c === void 0 ? void 0 : _c.c.d) === null || _d === void 0 ? true : delete _d.e;
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(_f = ((_e = o4.b) === null || _e === void 0 ? void 0 : _e.c.d)) === null || _f === void 0 ? true : delete _f.e;
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((_h = (_g = o4.b) === null || _g === void 0 ? void 0 : _g.c.d) === null || _h === void 0 ? true : delete _h.e);
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(_k = (_j = o5.b) === null || _j === void 0 ? void 0 : _j.call(o5).c.d) === null || _k === void 0 ? true : delete _k.e;
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((_m = (_l = o5.b) === null || _l === void 0 ? void 0 : _l.call(o5).c.d) === null || _m === void 0 ? true : delete _m.e);
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(_p = (_o = o6.b) === null || _o === void 0 ? void 0 : _o['c'].d) === null || _p === void 0 ? true : delete _p['e'];
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((_r = (_q = o6.b) === null || _q === void 0 ? void 0 : _q['c'].d) === null || _r === void 0 ? true : delete _r['e']);
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143
tests/baselines/reference/deleteChain.symbols
Normal file
143
tests/baselines/reference/deleteChain.symbols
Normal file
@@ -0,0 +1,143 @@
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=== tests/cases/conformance/expressions/optionalChaining/delete/deleteChain.ts ===
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declare const o1: undefined | { b: string };
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>o1 : Symbol(o1, Decl(deleteChain.ts, 0, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 0, 31))
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delete o1?.b;
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>o1?.b : Symbol(b, Decl(deleteChain.ts, 0, 31))
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>o1 : Symbol(o1, Decl(deleteChain.ts, 0, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 0, 31))
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delete (o1?.b);
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>o1?.b : Symbol(b, Decl(deleteChain.ts, 0, 31))
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>o1 : Symbol(o1, Decl(deleteChain.ts, 0, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 0, 31))
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declare const o2: undefined | { b: { c: string } };
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>o2 : Symbol(o2, Decl(deleteChain.ts, 4, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 4, 31))
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>c : Symbol(c, Decl(deleteChain.ts, 4, 36))
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delete o2?.b.c;
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>o2?.b.c : Symbol(c, Decl(deleteChain.ts, 4, 36))
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>o2?.b : Symbol(b, Decl(deleteChain.ts, 4, 31))
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>o2 : Symbol(o2, Decl(deleteChain.ts, 4, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 4, 31))
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>c : Symbol(c, Decl(deleteChain.ts, 4, 36))
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delete (o2?.b.c);
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>o2?.b.c : Symbol(c, Decl(deleteChain.ts, 4, 36))
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>o2?.b : Symbol(b, Decl(deleteChain.ts, 4, 31))
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>o2 : Symbol(o2, Decl(deleteChain.ts, 4, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 4, 31))
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>c : Symbol(c, Decl(deleteChain.ts, 4, 36))
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declare const o3: { b: undefined | { c: string } };
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>o3 : Symbol(o3, Decl(deleteChain.ts, 8, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 8, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 8, 36))
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delete o3.b?.c;
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>o3.b?.c : Symbol(c, Decl(deleteChain.ts, 8, 36))
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>o3.b : Symbol(b, Decl(deleteChain.ts, 8, 19))
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>o3 : Symbol(o3, Decl(deleteChain.ts, 8, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 8, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 8, 36))
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delete (o3.b?.c);
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>o3.b?.c : Symbol(c, Decl(deleteChain.ts, 8, 36))
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>o3.b : Symbol(b, Decl(deleteChain.ts, 8, 19))
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>o3 : Symbol(o3, Decl(deleteChain.ts, 8, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 8, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 8, 36))
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declare const o4: { b?: { c: { d?: { e: string } } } };
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>o4 : Symbol(o4, Decl(deleteChain.ts, 12, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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delete o4.b?.c.d?.e;
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>o4.b?.c.d?.e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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>o4.b?.c.d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>o4.b?.c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>o4.b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>o4 : Symbol(o4, Decl(deleteChain.ts, 12, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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delete (o4.b?.c.d)?.e;
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>(o4.b?.c.d)?.e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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>o4.b?.c.d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>o4.b?.c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>o4.b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>o4 : Symbol(o4, Decl(deleteChain.ts, 12, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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delete (o4.b?.c.d?.e);
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>o4.b?.c.d?.e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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>o4.b?.c.d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>o4.b?.c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>o4.b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>o4 : Symbol(o4, Decl(deleteChain.ts, 12, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 12, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 12, 25))
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>d : Symbol(d, Decl(deleteChain.ts, 12, 30))
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>e : Symbol(e, Decl(deleteChain.ts, 12, 36))
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declare const o5: { b?(): { c: { d?: { e: string } } } };
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>o5 : Symbol(o5, Decl(deleteChain.ts, 17, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 17, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 17, 27))
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>d : Symbol(d, Decl(deleteChain.ts, 17, 32))
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>e : Symbol(e, Decl(deleteChain.ts, 17, 38))
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delete o5.b?.().c.d?.e;
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>o5.b?.().c.d?.e : Symbol(e, Decl(deleteChain.ts, 17, 38))
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>o5.b?.().c.d : Symbol(d, Decl(deleteChain.ts, 17, 32))
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>o5.b?.().c : Symbol(c, Decl(deleteChain.ts, 17, 27))
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>o5.b : Symbol(b, Decl(deleteChain.ts, 17, 19))
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>o5 : Symbol(o5, Decl(deleteChain.ts, 17, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 17, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 17, 27))
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>d : Symbol(d, Decl(deleteChain.ts, 17, 32))
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>e : Symbol(e, Decl(deleteChain.ts, 17, 38))
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delete (o5.b?.().c.d?.e);
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>o5.b?.().c.d?.e : Symbol(e, Decl(deleteChain.ts, 17, 38))
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>o5.b?.().c.d : Symbol(d, Decl(deleteChain.ts, 17, 32))
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>o5.b?.().c : Symbol(c, Decl(deleteChain.ts, 17, 27))
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>o5.b : Symbol(b, Decl(deleteChain.ts, 17, 19))
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>o5 : Symbol(o5, Decl(deleteChain.ts, 17, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 17, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 17, 27))
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>d : Symbol(d, Decl(deleteChain.ts, 17, 32))
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>e : Symbol(e, Decl(deleteChain.ts, 17, 38))
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declare const o6: { b?: { c: { d?: { e: string } } } };
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>o6 : Symbol(o6, Decl(deleteChain.ts, 21, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 21, 19))
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>c : Symbol(c, Decl(deleteChain.ts, 21, 25))
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>d : Symbol(d, Decl(deleteChain.ts, 21, 30))
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>e : Symbol(e, Decl(deleteChain.ts, 21, 36))
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delete o6.b?.['c'].d?.['e'];
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>o6.b?.['c'].d : Symbol(d, Decl(deleteChain.ts, 21, 30))
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>o6.b : Symbol(b, Decl(deleteChain.ts, 21, 19))
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>o6 : Symbol(o6, Decl(deleteChain.ts, 21, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 21, 19))
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>d : Symbol(d, Decl(deleteChain.ts, 21, 30))
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delete (o6.b?.['c'].d?.['e']);
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>o6.b?.['c'].d : Symbol(d, Decl(deleteChain.ts, 21, 30))
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>o6.b : Symbol(b, Decl(deleteChain.ts, 21, 19))
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>o6 : Symbol(o6, Decl(deleteChain.ts, 21, 13))
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>b : Symbol(b, Decl(deleteChain.ts, 21, 19))
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>d : Symbol(d, Decl(deleteChain.ts, 21, 30))
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173
tests/baselines/reference/deleteChain.types
Normal file
173
tests/baselines/reference/deleteChain.types
Normal file
@@ -0,0 +1,173 @@
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=== tests/cases/conformance/expressions/optionalChaining/delete/deleteChain.ts ===
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declare const o1: undefined | { b: string };
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>o1 : { b: string; } | undefined
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>b : string
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delete o1?.b;
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>delete o1?.b : boolean
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>o1?.b : string | undefined
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>o1 : { b: string; } | undefined
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>b : string | undefined
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delete (o1?.b);
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>delete (o1?.b) : boolean
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>(o1?.b) : string | undefined
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>o1?.b : string | undefined
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>o1 : { b: string; } | undefined
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>b : string | undefined
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declare const o2: undefined | { b: { c: string } };
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>o2 : { b: { c: string; }; } | undefined
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>b : { c: string; }
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>c : string
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delete o2?.b.c;
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>delete o2?.b.c : boolean
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>o2?.b.c : string | undefined
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>o2?.b : { c: string; } | undefined
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>o2 : { b: { c: string; }; } | undefined
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>b : { c: string; } | undefined
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>c : string | undefined
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delete (o2?.b.c);
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>delete (o2?.b.c) : boolean
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>(o2?.b.c) : string | undefined
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>o2?.b.c : string | undefined
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>o2?.b : { c: string; } | undefined
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>o2 : { b: { c: string; }; } | undefined
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>b : { c: string; } | undefined
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>c : string | undefined
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declare const o3: { b: undefined | { c: string } };
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>o3 : { b: { c: string; } | undefined; }
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>b : { c: string; } | undefined
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>c : string
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delete o3.b?.c;
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>delete o3.b?.c : boolean
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>o3.b?.c : string | undefined
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>o3.b : { c: string; } | undefined
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>o3 : { b: { c: string; } | undefined; }
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>b : { c: string; } | undefined
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>c : string | undefined
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delete (o3.b?.c);
|
||||
>delete (o3.b?.c) : boolean
|
||||
>(o3.b?.c) : string | undefined
|
||||
>o3.b?.c : string | undefined
|
||||
>o3.b : { c: string; } | undefined
|
||||
>o3 : { b: { c: string; } | undefined; }
|
||||
>b : { c: string; } | undefined
|
||||
>c : string | undefined
|
||||
|
||||
declare const o4: { b?: { c: { d?: { e: string } } } };
|
||||
>o4 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>c : { d?: { e: string; } | undefined; }
|
||||
>d : { e: string; } | undefined
|
||||
>e : string
|
||||
|
||||
delete o4.b?.c.d?.e;
|
||||
>delete o4.b?.c.d?.e : boolean
|
||||
>o4.b?.c.d?.e : string | undefined
|
||||
>o4.b?.c.d : { e: string; } | undefined
|
||||
>o4.b?.c : { d?: { e: string; } | undefined; } | undefined
|
||||
>o4.b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o4 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>c : { d?: { e: string; } | undefined; } | undefined
|
||||
>d : { e: string; } | undefined
|
||||
>e : string | undefined
|
||||
|
||||
delete (o4.b?.c.d)?.e;
|
||||
>delete (o4.b?.c.d)?.e : boolean
|
||||
>(o4.b?.c.d)?.e : string | undefined
|
||||
>(o4.b?.c.d) : { e: string; } | undefined
|
||||
>o4.b?.c.d : { e: string; } | undefined
|
||||
>o4.b?.c : { d?: { e: string; } | undefined; } | undefined
|
||||
>o4.b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o4 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>c : { d?: { e: string; } | undefined; } | undefined
|
||||
>d : { e: string; } | undefined
|
||||
>e : string | undefined
|
||||
|
||||
delete (o4.b?.c.d?.e);
|
||||
>delete (o4.b?.c.d?.e) : boolean
|
||||
>(o4.b?.c.d?.e) : string | undefined
|
||||
>o4.b?.c.d?.e : string | undefined
|
||||
>o4.b?.c.d : { e: string; } | undefined
|
||||
>o4.b?.c : { d?: { e: string; } | undefined; } | undefined
|
||||
>o4.b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o4 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>c : { d?: { e: string; } | undefined; } | undefined
|
||||
>d : { e: string; } | undefined
|
||||
>e : string | undefined
|
||||
|
||||
declare const o5: { b?(): { c: { d?: { e: string } } } };
|
||||
>o5 : { b?(): { c: { d?: { e: string; } | undefined; }; }; }
|
||||
>b : (() => { c: { d?: { e: string; } | undefined; }; }) | undefined
|
||||
>c : { d?: { e: string; } | undefined; }
|
||||
>d : { e: string; } | undefined
|
||||
>e : string
|
||||
|
||||
delete o5.b?.().c.d?.e;
|
||||
>delete o5.b?.().c.d?.e : boolean
|
||||
>o5.b?.().c.d?.e : string | undefined
|
||||
>o5.b?.().c.d : { e: string; } | undefined
|
||||
>o5.b?.().c : { d?: { e: string; } | undefined; } | undefined
|
||||
>o5.b?.() : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o5.b : (() => { c: { d?: { e: string; } | undefined; }; }) | undefined
|
||||
>o5 : { b?(): { c: { d?: { e: string; } | undefined; }; }; }
|
||||
>b : (() => { c: { d?: { e: string; } | undefined; }; }) | undefined
|
||||
>c : { d?: { e: string; } | undefined; } | undefined
|
||||
>d : { e: string; } | undefined
|
||||
>e : string | undefined
|
||||
|
||||
delete (o5.b?.().c.d?.e);
|
||||
>delete (o5.b?.().c.d?.e) : boolean
|
||||
>(o5.b?.().c.d?.e) : string | undefined
|
||||
>o5.b?.().c.d?.e : string | undefined
|
||||
>o5.b?.().c.d : { e: string; } | undefined
|
||||
>o5.b?.().c : { d?: { e: string; } | undefined; } | undefined
|
||||
>o5.b?.() : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o5.b : (() => { c: { d?: { e: string; } | undefined; }; }) | undefined
|
||||
>o5 : { b?(): { c: { d?: { e: string; } | undefined; }; }; }
|
||||
>b : (() => { c: { d?: { e: string; } | undefined; }; }) | undefined
|
||||
>c : { d?: { e: string; } | undefined; } | undefined
|
||||
>d : { e: string; } | undefined
|
||||
>e : string | undefined
|
||||
|
||||
declare const o6: { b?: { c: { d?: { e: string } } } };
|
||||
>o6 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>c : { d?: { e: string; } | undefined; }
|
||||
>d : { e: string; } | undefined
|
||||
>e : string
|
||||
|
||||
delete o6.b?.['c'].d?.['e'];
|
||||
>delete o6.b?.['c'].d?.['e'] : boolean
|
||||
>o6.b?.['c'].d?.['e'] : string | undefined
|
||||
>o6.b?.['c'].d : { e: string; } | undefined
|
||||
>o6.b?.['c'] : { d?: { e: string; } | undefined; } | undefined
|
||||
>o6.b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o6 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>'c' : "c"
|
||||
>d : { e: string; } | undefined
|
||||
>'e' : "e"
|
||||
|
||||
delete (o6.b?.['c'].d?.['e']);
|
||||
>delete (o6.b?.['c'].d?.['e']) : boolean
|
||||
>(o6.b?.['c'].d?.['e']) : string | undefined
|
||||
>o6.b?.['c'].d?.['e'] : string | undefined
|
||||
>o6.b?.['c'].d : { e: string; } | undefined
|
||||
>o6.b?.['c'] : { d?: { e: string; } | undefined; } | undefined
|
||||
>o6.b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>o6 : { b?: { c: { d?: { e: string; } | undefined; }; } | undefined; }
|
||||
>b : { c: { d?: { e: string; } | undefined; }; } | undefined
|
||||
>'c' : "c"
|
||||
>d : { e: string; } | undefined
|
||||
>'e' : "e"
|
||||
|
||||
@@ -0,0 +1,26 @@
|
||||
// @strict: true
|
||||
|
||||
declare const o1: undefined | { b: string };
|
||||
delete o1?.b;
|
||||
delete (o1?.b);
|
||||
|
||||
declare const o2: undefined | { b: { c: string } };
|
||||
delete o2?.b.c;
|
||||
delete (o2?.b.c);
|
||||
|
||||
declare const o3: { b: undefined | { c: string } };
|
||||
delete o3.b?.c;
|
||||
delete (o3.b?.c);
|
||||
|
||||
declare const o4: { b?: { c: { d?: { e: string } } } };
|
||||
delete o4.b?.c.d?.e;
|
||||
delete (o4.b?.c.d)?.e;
|
||||
delete (o4.b?.c.d?.e);
|
||||
|
||||
declare const o5: { b?(): { c: { d?: { e: string } } } };
|
||||
delete o5.b?.().c.d?.e;
|
||||
delete (o5.b?.().c.d?.e);
|
||||
|
||||
declare const o6: { b?: { c: { d?: { e: string } } } };
|
||||
delete o6.b?.['c'].d?.['e'];
|
||||
delete (o6.b?.['c'].d?.['e']);
|
||||
Reference in New Issue
Block a user