Function handleDtsMayChangeOf

test/fixtures/snapshot/typescript.js:120357–120375

* Handle the dts may change, so they need to be added to pending emit if dts emit is enabled, * Also we need to make sure signature is updated for these files

(state, path, cancellationToken, computeHash, host)

     * Also we need to make sure signature is updated for these files
     */
    function handleDtsMayChangeOf(state, path, cancellationToken, computeHash, host) {
        removeSemanticDiagnosticsOf(state, path);
        if (!state.changedFilesSet.has(path)) {
            var program = ts.Debug.checkDefined(state.program);
            var sourceFile = program.getSourceFileByPath(path);
            if (sourceFile) {
                // Even though the js emit doesnt change and we are already handling dts emit and semantic diagnostics
                // we need to update the signature to reflect correctness of the signature(which is output d.ts emit) of this file
                // This ensures that we dont later during incremental builds considering wrong signature.
                // Eg where this also is needed to ensure that .tsbuildinfo generated by incremental build should be same as if it was first fresh build
                // But we avoid expensive full shape computation, as using file version as shape is enough for correctness.
                ts.BuilderState.updateShapeSignature(state, program, sourceFile, ts.Debug.checkDefined(state.currentAffectedFilesSignatures), cancellationToken, computeHash, state.currentAffectedFilesExportedModulesMap, !host.disableUseFileVersionAsSignature);
                // If not dts emit, nothing more to do
                if (ts.getEmitDeclarations(state.compilerOptions)) {
                    addToAffectedFilesPendingEmit(state, path, 0 /* BuilderFileEmit.DtsOnly */);
                }
            }
        }
    }
    /**
     * Removes semantic diagnostics for path and
     * returns true if there are no more semantic diagnostics from the old state