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fix(39022): wrap export references UnaryExpression to ParenthesizedExpression (#41156)
1 parent e231821 commit 4c118ae

6 files changed

Lines changed: 176 additions & 5 deletions

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‎src/compiler/transformers/module/module.ts‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1874,9 +1874,8 @@ namespace ts {
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for (const exportName of exportedNames) {
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// Mark the node to prevent triggering this rule again.
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noSubstitution[getNodeId(expression)] = true;
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expression = createExportExpression(exportName, expression);
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expression = factory.createParenthesizedExpression(createExportExpression(exportName, expression));
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}
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return expression;
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}
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}

‎tests/baselines/reference/es6ExportClauseWithAssignmentInEs5.js‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -32,6 +32,6 @@ exports.buzz = buzz;
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exports.buzz = buzz += 3;
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var bizz = 8;
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exports.bizz = bizz;
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exports.bizz = bizz += 1; // compiles to exports.bizz = bizz += 1
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exports.bizz = bizz -= 1; // similarly
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exports.bizz = ++bizz; // compiles to exports.bizz = ++bizz
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(exports.bizz = bizz += 1); // compiles to exports.bizz = bizz += 1
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(exports.bizz = bizz -= 1); // similarly
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(exports.bizz = ++bizz); // compiles to exports.bizz = ++bizz

‎tests/baselines/reference/moduleExportsUnaryExpression.js‎

Lines changed: 39 additions & 0 deletions
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@@ -0,0 +1,39 @@
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//// [moduleExportsUnaryExpression.ts]
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let x = 1;
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export function foo(y: number) {
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if (y <= x++) return y <= x++;
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if (y <= x--) return y <= x--;
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if (y <= ++x) return y <= ++x;
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if (y <= --x) return y <= --x;
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x++;
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x--;
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++x;
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--x;
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}
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export { x };
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//// [moduleExportsUnaryExpression.js]
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"use strict";
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exports.__esModule = true;
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exports.x = exports.foo = void 0;
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var x = 1;
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exports.x = x;
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function foo(y) {
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if (y <= (exports.x = x += 1))
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return y <= (exports.x = x += 1);
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if (y <= (exports.x = x -= 1))
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return y <= (exports.x = x -= 1);
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if (y <= (exports.x = ++x))
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return y <= (exports.x = ++x);
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if (y <= (exports.x = --x))
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return y <= (exports.x = --x);
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(exports.x = x += 1);
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(exports.x = x -= 1);
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(exports.x = ++x);
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(exports.x = --x);
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}
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exports.foo = foo;

‎tests/baselines/reference/moduleExportsUnaryExpression.symbols‎

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
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=== tests/cases/compiler/moduleExportsUnaryExpression.ts ===
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let x = 1;
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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export function foo(y: number) {
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>foo : Symbol(foo, Decl(moduleExportsUnaryExpression.ts, 0, 10))
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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if (y <= x++) return y <= x++;
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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if (y <= x--) return y <= x--;
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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if (y <= ++x) return y <= ++x;
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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if (y <= --x) return y <= --x;
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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>y : Symbol(y, Decl(moduleExportsUnaryExpression.ts, 2, 20))
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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x++;
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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x--;
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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++x;
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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--x;
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 0, 3))
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}
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export { x };
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>x : Symbol(x, Decl(moduleExportsUnaryExpression.ts, 14, 8))
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‎tests/baselines/reference/moduleExportsUnaryExpression.types‎

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@@ -0,0 +1,69 @@
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=== tests/cases/compiler/moduleExportsUnaryExpression.ts ===
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let x = 1;
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>x : number
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>1 : 1
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export function foo(y: number) {
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>foo : (y: number) => boolean
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>y : number
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if (y <= x++) return y <= x++;
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>y <= x++ : boolean
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>y : number
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>x++ : number
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>x : number
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>y <= x++ : boolean
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>y : number
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>x++ : number
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>x : number
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if (y <= x--) return y <= x--;
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>y <= x-- : boolean
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>y : number
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>x-- : number
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>x : number
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>y <= x-- : boolean
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>y : number
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>x-- : number
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>x : number
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if (y <= ++x) return y <= ++x;
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>y <= ++x : boolean
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>y : number
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>++x : number
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>x : number
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>y <= ++x : boolean
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>y : number
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>++x : number
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>x : number
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if (y <= --x) return y <= --x;
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>y <= --x : boolean
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>y : number
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>--x : number
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>x : number
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>y <= --x : boolean
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>y : number
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>--x : number
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>x : number
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x++;
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>x++ : number
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>x : number
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x--;
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>x-- : number
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>x : number
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++x;
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>++x : number
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>x : number
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--x;
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>--x : number
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>x : number
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}
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export { x };
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>x : number
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‎tests/cases/compiler/moduleExportsUnaryExpression.ts‎

Lines changed: 16 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,16 @@
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// @module: commonjs
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let x = 1;
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export function foo(y: number) {
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if (y <= x++) return y <= x++;
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if (y <= x--) return y <= x--;
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if (y <= ++x) return y <= ++x;
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if (y <= --x) return y <= --x;
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x++;
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x--;
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++x;
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--x;
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}
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export { x };

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