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Check for the file before getting line map

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This commit is contained in:
Mohamed Hegazy
2017-04-17 13:15:06 -07:00
parent 4e29b1883d
commit 26d5af384c
1 changed files with 15 additions and 13 deletions
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src/compiler/program.ts
+15 -13
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@@ -930,20 +930,22 @@ namespace ts {
*/
function shouldReportDiagnostic(diagnostic: Diagnostic) {
const { file, start } = diagnostic;
const lineStarts = getLineStarts(file);
let { line } = computeLineAndCharacterOfPosition(lineStarts, start);
while (line > 0) {
const previousLineText = file.text.slice(lineStarts[line - 1], lineStarts[line]);
const result = ignoreDiagnosticCommentRegEx.exec(previousLineText);
if (!result) {
// non-empty line
return true;
if (file) {
const lineStarts = getLineStarts(file);
let { line } = computeLineAndCharacterOfPosition(lineStarts, start);
while (line > 0) {
const previousLineText = file.text.slice(lineStarts[line - 1], lineStarts[line]);
const result = ignoreDiagnosticCommentRegEx.exec(previousLineText);
if (!result) {
// non-empty line
return true;
}
if (result[3]) {
// @ts-ignore
return false;
}
line--;
}
if (result[3]) {
// @ts-ignore
return false;
}
line--;
}
return true;
}