Function toFileId

test/fixtures/snapshot/typescript.js:120653–120660

(path)

            return ts.ensurePathIsNonModuleName(ts.getRelativePathFromDirectory(buildInfoDirectory, path, getCanonicalFileName));
        }
        function toFileId(path) {
            var fileId = fileNameToFileId.get(path);
            if (fileId === undefined) {
                fileNames.push(relativeToBuildInfo(path));
                fileNameToFileId.set(path, fileId = fileNames.length);
            }
            return fileId;
        }
        function toFileIdListId(set) {
            var fileIds = ts.arrayFrom(set.keys(), toFileId).sort(ts.compareValues);
            var key = fileIds.join();