Merge pull request #8829 from Microsoft/tslintPerf
add a extra check to avoid rescans in Node.getStart
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commit
df4ab083f4
2 changed files with 4 additions and 1 deletions
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@ -18,7 +18,7 @@ class BooleanTriviaWalker extends Lint.RuleWalker {
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visitCallExpression(node: ts.CallExpression) {
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super.visitCallExpression(node);
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if (node.arguments) {
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if (node.arguments && node.arguments.some(arg => arg.kind === ts.SyntaxKind.TrueKeyword || arg.kind === ts.SyntaxKind.FalseKeyword)) {
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const targetCallSignature = this.checker.getResolvedSignature(node);
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if (!!targetCallSignature) {
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const targetParameters = targetCallSignature.getParameters();
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@ -267,6 +267,9 @@ namespace ts {
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// find the child that contains 'position'
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for (let i = 0, n = current.getChildCount(sourceFile); i < n; i++) {
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const child = current.getChildAt(i);
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if (position < child.getFullStart() || position > child.getEnd()) {
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continue;
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}
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const start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile);
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if (start <= position) {
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const end = child.getEnd();
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