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Fix formatting scanner on multiline JSX attribute strings (#35705)

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* Fix formatting scanner on multiline JSX attribute strings

* Update API
This commit is contained in:
Andrew Branch
2019-12-16 12:36:40 -08:00
committed by GitHub
parent 16aae96a90
commit 53c8b958d7
5 changed files with 35 additions and 0 deletions
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7
src/compiler/scanner.ts
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@@ -31,6 +31,7 @@ namespace ts {
reScanTemplateToken(): SyntaxKind;
scanJsxIdentifier(): SyntaxKind;
scanJsxAttributeValue(): SyntaxKind;
reScanJsxAttributeValue(): SyntaxKind;
reScanJsxToken(): JsxTokenSyntaxKind;
reScanLessThanToken(): SyntaxKind;
reScanQuestionToken(): SyntaxKind;
@@ -902,6 +903,7 @@ namespace ts {
reScanTemplateToken,
scanJsxIdentifier,
scanJsxAttributeValue,
reScanJsxAttributeValue,
reScanJsxToken,
reScanLessThanToken,
reScanQuestionToken,
@@ -2133,6 +2135,11 @@ namespace ts {
}
}
function reScanJsxAttributeValue(): SyntaxKind {
pos = tokenPos = startPos;
return scanJsxAttributeValue();
}
function scanJsDocToken(): JSDocSyntaxKind {
startPos = tokenPos = pos;
tokenFlags = TokenFlags.None;

9
src/services/formatting/formattingScanner.ts
View File

@@ -21,6 +21,7 @@ namespace ts.formatting {
RescanTemplateToken,
RescanJsxIdentifier,
RescanJsxText,
RescanJsxAttributeValue,
}
export function getFormattingScanner<T>(text: string, languageVariant: LanguageVariant, startPos: number, endPos: number, cb: (scanner: FormattingScanner) => T): T {
@@ -133,6 +134,10 @@ namespace ts.formatting {
container.kind === SyntaxKind.TemplateTail;
}
function shouldRescanJsxAttributeValue(node: Node): boolean {
return node.parent && isJsxAttribute(node.parent) && node.parent.initializer === node;
}
function startsWithSlashToken(t: SyntaxKind): boolean {
return t === SyntaxKind.SlashToken || t === SyntaxKind.SlashEqualsToken;
}
@@ -147,6 +152,7 @@ namespace ts.formatting {
shouldRescanTemplateToken(n) ? ScanAction.RescanTemplateToken :
shouldRescanJsxIdentifier(n) ? ScanAction.RescanJsxIdentifier :
shouldRescanJsxText(n) ? ScanAction.RescanJsxText :
shouldRescanJsxAttributeValue(n) ? ScanAction.RescanJsxAttributeValue :
ScanAction.Scan;
if (lastTokenInfo && expectedScanAction === lastScanAction) {
@@ -239,6 +245,9 @@ namespace ts.formatting {
case ScanAction.RescanJsxText:
lastScanAction = ScanAction.RescanJsxText;
return scanner.reScanJsxToken();
case ScanAction.RescanJsxAttributeValue:
lastScanAction = ScanAction.RescanJsxAttributeValue;
return scanner.reScanJsxAttributeValue();
case ScanAction.Scan:
break;
default: