Function annotateJSDocParameters

test/fixtures/snapshot/typescript.js:156801–156844

(changes, sourceFile, parameterInferences, program, host)

            return false;
        }
        function annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host) {
            var signature = parameterInferences.length && parameterInferences[0].declaration.parent;
            if (!signature) {
                return;
            }
            var inferences = ts.mapDefined(parameterInferences, function (inference) {
                var param = inference.declaration;
                // only infer parameters that have (1) no type and (2) an accessible inferred type
                if (param.initializer || ts.getJSDocType(param) || !ts.isIdentifier(param.name)) {
                    return;
                }
                var typeNode = inference.type && ts.getTypeNodeIfAccessible(inference.type, param, program, host);
                if (typeNode) {
                    var name = ts.factory.cloneNode(param.name);
                    ts.setEmitFlags(name, 1536 /* EmitFlags.NoComments */ | 2048 /* EmitFlags.NoNestedComments */);
                    return { name: ts.factory.cloneNode(param.name), param: param, isOptional: !!inference.isOptional, typeNode: typeNode };
                }
            });
            if (!inferences.length) {
                return;
            }
            if (ts.isArrowFunction(signature) || ts.isFunctionExpression(signature)) {
                var needParens = ts.isArrowFunction(signature) && !ts.findChildOfKind(signature, 20 /* SyntaxKind.OpenParenToken */, sourceFile);
                if (needParens) {
                    changes.insertNodeBefore(sourceFile, ts.first(signature.parameters), ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */));
                }
                ts.forEach(inferences, function (_a) {
                    var typeNode = _a.typeNode, param = _a.param;
                    var typeTag = ts.factory.createJSDocTypeTag(/*tagName*/ undefined, ts.factory.createJSDocTypeExpression(typeNode));
                    var jsDoc = ts.factory.createJSDocComment(/*comment*/ undefined, [typeTag]);
                    changes.insertNodeAt(sourceFile, param.getStart(sourceFile), jsDoc, { suffix: " " });
                });
                if (needParens) {
                    changes.insertNodeAfter(sourceFile, ts.last(signature.parameters), ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */));
                }
            }
            else {
                var paramTags = ts.map(inferences, function (_a) {
                    var name = _a.name, typeNode = _a.typeNode, isOptional = _a.isOptional;
                    return ts.factory.createJSDocParameterTag(/*tagName*/ undefined, name, /*isBracketed*/ !!isOptional, ts.factory.createJSDocTypeExpression(typeNode), /* isNameFirst */ false, /*comment*/ undefined);
                });
                changes.addJSDocTags(sourceFile, signature, paramTags);
            }
        }
        function getReferences(token, program, cancellationToken) {
            // Position shouldn't matter since token is not a SourceFile.
            return ts.mapDefined(ts.FindAllReferences.getReferenceEntriesForNode(-1, token, program, program.getSourceFiles(), cancellationToken), function (entry) {