Function removeSemanticDiagnosticsOf

test/fixtures/snapshot/typescript.js:120380–120387

* Removes semantic diagnostics for path and * returns true if there are no more semantic diagnostics from the old state

(state, path)

     * returns true if there are no more semantic diagnostics from the old state
     */
    function removeSemanticDiagnosticsOf(state, path) {
        if (!state.semanticDiagnosticsFromOldState) {
            return true;
        }
        state.semanticDiagnosticsFromOldState.delete(path);
        state.semanticDiagnosticsPerFile.delete(path);
        return !state.semanticDiagnosticsFromOldState.size;
    }
    function isChangedSignature(state, path) {
        var newSignature = ts.Debug.checkDefined(state.currentAffectedFilesSignatures).get(path);
        var oldSignature = ts.Debug.checkDefined(state.fileInfos.get(path)).signature;