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Merge pull request #15229 from Microsoft/Fix15220

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Fix #15220: Check for file on diagnostics before getting line map
This commit is contained in:
Mohamed Hegazy
2017-04-18 14:39:54 -07:00
committed by GitHub
parent 2ca1de514a 4546b0dd8e
commit e6ecfa46f0
4 changed files with 65 additions and 14 deletions
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28
src/compiler/program.ts
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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;
}