Function watchPackageJsonLookupPath

test/fixtures/snapshot/typescript.js:123867–123872

(packageJsonPath)

                watchFilePath(missingFilePath, missingFilePath, onMissingFileChange, ts.PollingInterval.Medium, watchOptions, ts.WatchType.MissingFile);
        }
        function watchPackageJsonLookupPath(packageJsonPath) {
            // If the package.json is pulled into the compilation itself (eg, via json imports), don't add a second watcher here
            return sourceFilesCache.has(packageJsonPath) ?
                ts.noopFileWatcher :
                watchFilePath(packageJsonPath, packageJsonPath, onPackageJsonChange, ts.PollingInterval.High, watchOptions, ts.WatchType.PackageJson);
        }
        function onPackageJsonChange(fileName, eventKind, path) {
            updateCachedSystemWithFile(fileName, path, eventKind);
            // package.json changes invalidate module resolution and can change the set of loaded files