8000 Merge pull request #4703 from Microsoft/jsxEmitAttribiteWithInitializer · fleurdeswift/TypeScript@6a77400 · GitHub
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Merge pull request microsoft#4703 from Microsoft/jsxEmitAttribiteWithInitializer
do not emit '=' in jsx attribute if initializer is missing
2 parents 4be0ddb + 8321415 commit 6a77400

9 files changed

+42
-11
lines changed

‎src/compiler/emitter.ts

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1292,8 +1292,10 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
12921292
function jsxEmitPreserve(node 8000 : JsxElement|JsxSelfClosingElement) {
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function emitJsxAttribute(node: JsxAttribute) {
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emit(node.name);
1295-
write("=");
1296-
emit(node.initializer);
1295+
if (node.initializer) {
1296+
write("=");
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emit(node.initializer);
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}
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}
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function emitJsxSpreadAttribute(node: JsxSpreadAttribute) {

‎tests/baselines/reference/jsxEmitAttributeWithPreserve.js

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,7 @@
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//// [jsxEmitAttributeWithPreserve.tsx]
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3+
declare var React: any;
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<foo data/>
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//// [jsxEmitAttributeWithPreserve.jsx]
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<foo data/>;

‎tests/baselines/reference/jsxEmitAttributeWithPreserve.symbols

Lines changed: 8 additions & 0 deletions
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@@ -0,0 +1,8 @@
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=== tests/cases/compiler/jsxEmitAttributeWithPreserve.tsx ===
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declare var React: any;
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>React : Symbol(React, Decl(jsxEmitAttributeWithPreserve.tsx, 1, 11))
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<foo data/>
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>data : Symbol(unknown)
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‎tests/baselines/reference/jsxEmitAttributeWithPreserve.types

Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
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=== tests/cases/compiler/jsxEmitAttributeWithPreserve.tsx ===
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declare var React: any;
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>React : any
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<foo data/>
8000 7+
><foo data/> : any
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>foo : any
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>data : any
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‎tests/baselines/reference/jsxInvalidEsprimaTestSuite.js

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -47,9 +47,9 @@ a / > ;
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< a;
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b > ;
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b > ;
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<a b= c=></a>;
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<a b c></a>;
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b.c > ;
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<a.b c=></a.b>;
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<a.b c></a.b>;
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c > ;
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<a.b.c></a>;
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< .a > ;
@@ -67,7 +67,7 @@ var x = <div>one</div><div>two</div>;;
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var x = <div>one</div> /* intervening comment */ /* intervening comment */ <div>two</div>;;
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<a>{"str"}}</a>;
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<span className="a"/> id="b" />;
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<div className=/>>;
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<div className/>>;
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<div {...props}/>;
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<div>stuff</div>...props}>;

‎tests/baselines/reference/jsxReactTestSuite.js

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -158,14 +158,14 @@ var x = <div attr1={"foo" + "bar"} attr2={"foo" + "bar" +
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<Component constructor="foo"/>;
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<Namespace.Component />;
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<Namespace.DeepNamespace.Component />;
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<Component {...x} y={2} z=/>;
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<Component {...x} y={2} z/>;
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<Component {...this.props} sound="moo"/>;
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<font-face />;
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<Component x={y}/>;
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<x-component />;
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<Component {...x}/>;
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<Component {...x} y={2}/>;
168-
<Component {...x} y={2} z=/>;
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<Component {...x} y={2} z/>;
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<Component x={1} {...y}/>;
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<Component x={1} y="2" {...z} {...z}><Child /></Component>;
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<Component x="1" {...(z = { y: 2 }, z)} z={3}>Text</Component>;

‎tests/baselines/reference/tsxAttributeResolution6.js

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -20,10 +20,10 @@ declare module JSX {
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//// [tsxAttributeResolution6.jsx]
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// Error
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<test1 s=/>;
23+
<test1 s/>;
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<test1 n='true'/>;
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<test2 />;
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// OK
27-
<test1 n=/>;
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<test1 n/>;
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<test1 n={false}/>;
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<test2 n=/>;
29+
<test2 n/>;

‎tests/baselines/reference/tsxGenericArrowFunctionParsing.js

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -42,5 +42,5 @@ x3();
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var x4 = <T extends={true}>() => </T>;
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x4.isElement;
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// This is an element
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var x5 = <T extends=>() => </T>;
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var x5 = <T extends>() => </T>;
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x5.isElement;

‎tests/cases/compiler/jsxEmitAttributeWithPreserve.tsx

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
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//@jsx: preserve
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declare var React: any;
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<foo data/>

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