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fix(typescript-estree): don't consider a cached program unless it's specified in the current parserOptions.project
config
#5999
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Original file line number | Diff line number | Diff line change | ||||
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@@ -159,11 +159,21 @@ function getProgramsForProjects(parseSettings: ParseSettings): ts.Program[] { | |||||
); | ||||||
} | ||||||
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const currentProjectsFromSettings = new Set(parseSettings.projects); | ||||||
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/* | ||||||
* before we go into the process of attempting to find and update every program | ||||||
* see if we know of a program that contains this file | ||||||
*/ | ||||||
for (const [tsconfigPath, existingWatch] of knownWatchProgramMap.entries()) { | ||||||
if (!currentProjectsFromSettings.has(tsconfigPath)) { | ||||||
// the current parser run doesn't specify this tsconfig in parserOptions.project | ||||||
// so we don't want to consider it for caching purposes. | ||||||
// | ||||||
// if we did consider it we might return a program for a project | ||||||
// that wasn't specified in the current parser run (which is obv bad!). | ||||||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. To you, maybe 😛
Suggested change
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continue; | ||||||
} | ||||||
let fileList = programFileListCache.get(tsconfigPath); | ||||||
let updatedProgram: ts.Program | null = null; | ||||||
if (!fileList) { | ||||||
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the changes here were extracted from #5916 as an easy test for this behaviour.
could add a regression test against this, but I didn't bother because ultimately it's such a rare case.