Function registerForUnusedIdentifiersCheck

test/fixtures/snapshot/typescript.js:81933–81947

(node)

            }
        }
        function registerForUnusedIdentifiersCheck(node) {
            addLazyDiagnostic(registerForUnusedIdentifiersCheckDiagnostics);
            function registerForUnusedIdentifiersCheckDiagnostics() {
                // May be in a call such as getTypeOfNode that happened to call this. But potentiallyUnusedIdentifiers is only defined in the scope of `checkSourceFile`.
                var sourceFile = ts.getSourceFileOfNode(node);
                var potentiallyUnusedIdentifiers = allPotentiallyUnusedIdentifiers.get(sourceFile.path);
                if (!potentiallyUnusedIdentifiers) {
                    potentiallyUnusedIdentifiers = [];
                    allPotentiallyUnusedIdentifiers.set(sourceFile.path, potentiallyUnusedIdentifiers);
                }
                // TODO: GH#22580
                // Debug.assert(addToSeen(seenPotentiallyUnusedIdentifiers, getNodeId(node)), "Adding potentially-unused identifier twice");
                potentiallyUnusedIdentifiers.push(node);
            }
        }
        function checkUnusedIdentifiers(potentiallyUnusedIdentifiers, addDiagnostic) {
            for (var _i = 0, potentiallyUnusedIdentifiers_1 = potentiallyUnusedIdentifiers; _i < potentiallyUnusedIdentifiers_1.length; _i++) {
                var node = potentiallyUnusedIdentifiers_1[_i];