class-helper.ts

import * as _ from 'lodash';

import { ts, SyntaxKind } from 'ts-morph';

import { getNamesCompareFn, mergeTagsAndArgs, markedtags } from '../../../../../utils/utils';
import { kindToType } from '../../../../../utils/kind-to-type';
import { JsdocParserUtil } from '../../../../../utils/jsdoc-parser.util';
import { isIgnore } from '../../../../../utils';
import AngularVersionUtil from '../../../../..//utils/angular-version.util';
import BasicTypeUtil from '../../../../../utils/basic-type.util';
import { StringifyObjectLiteralExpression } from '../../../../../utils/object-literal-expression.util';

import DependenciesEngine from '../../../../engines/dependencies.engine';
import Configuration from '../../../../configuration';
import { StringifyArrowFunction } from '../../../../../utils/arrow-function.util';
import { getNodeDecorators, nodeHasDecorator } from '../../../../../utils/node.util';
import { markedAcl } from '../../../../../utils/marked.acl';

const crypto = require('crypto');

export class ClassHelper {
    private jsdocParserUtil = new JsdocParserUtil();

    constructor(private typeChecker: ts.TypeChecker) {}

    /**
     * HELPERS
     */

    public stringifyDefaultValue(node: ts.Node): string {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        if (node.getText()) {
            return node.getText();
        } else if (node.kind === SyntaxKind.FalseKeyword) {
            return 'false';
        } else if (node.kind === SyntaxKind.TrueKeyword) {
            return 'true';
        }
    }

    private checkForDeprecation(tags: any[], result: { [key in string | number]: any }) {
        _.forEach(tags, tag => {
            if (tag.tagName && tag.tagName.text && tag.tagName.text.indexOf('deprecated') > -1) {
                result.deprecated = true;
                result.deprecationMessage = tag.comment || '';
            }
        });
    }

    private getDecoratorOfType(node, decoratorType) {
        let decorators = getNodeDecorators(node) || [];
        let result = [];
        const len = decorators.length;

        if (len > 1) {
            for (let i = 0; i < decorators.length; i++) {
                if (decorators[i].expression.expression) {
                    if (decorators[i].expression.expression.text === decoratorType) {
                        result.push(decorators[i]);
                    }
                }
            }
            if (result.length > 0) {
                return result;
            }
        } else {
            if (len === 1 && decorators[0].expression && decorators[0].expression.expression) {
                if (decorators[0].expression.expression.text === decoratorType) {
                    result.push(decorators[0]);
                    return result;
                }
            }
        }

        return undefined;
    }

    private formatDecorators(decorators) {
        let _decorators = [];

        _.forEach(decorators, (decorator: any) => {
            if (decorator.expression) {
                if (decorator.expression.text) {
                    _decorators.push({ name: decorator.expression.text });
                }
                if (decorator.expression.expression) {
                    let info: any = { name: decorator.expression.expression.text };
                    if (decorator.expression.arguments) {
                        info.stringifiedArguments = this.stringifyArguments(
                            decorator.expression.arguments
                        );
                    }
                    _decorators.push(info);
                }
            }
        });

        return _decorators;
    }

    private handleFunction(arg): string {
        if (arg.function.length === 0) {
            return `${arg.name}${this.getOptionalString(arg)}: () => void`;
        }

        let argums = arg.function.map(argu => {
            let _result = DependenciesEngine.find(argu.type);
            if (_result) {
                if (_result.source === 'internal') {
                    let path = _result.data.type;
                    if (_result.data.type === 'class') {
                        path = 'classe';
                    }
                    return `${argu.name}${this.getOptionalString(arg)}: <a href="../${path}s/${
                        _result.data.name
                    }.html">${argu.type}</a>`;
                } else {
                    let path = AngularVersionUtil.getApiLink(
                        _result.data,
                        Configuration.mainData.angularVersion
                    );
                    return `${argu.name}${this.getOptionalString(
                        arg
                    )}: <a href="${path}" target="_blank">${argu.type}</a>`;
                }
            } else if (BasicTypeUtil.isKnownType(argu.type)) {
                let path = BasicTypeUtil.getTypeUrl(argu.type);
                return `${argu.name}${this.getOptionalString(
                    arg
                )}: <a href="${path}" target="_blank">${argu.type}</a>`;
            } else {
                if (argu.name && argu.type) {
                    return `${argu.name}${this.getOptionalString(arg)}: ${argu.type}`;
                } else {
                    if (argu.name) {
                        return `${argu.name.text}`;
                    } else {
                        return '';
                    }
                }
            }
        });
        return `${arg.name}${this.getOptionalString(arg)}: (${argums}) => void`;
    }

    private getOptionalString(arg): string {
        return arg.optional ? '?' : '';
    }

    private stringifyArguments(args) {
        let stringifyArgs = [];

        stringifyArgs = args
            .map(arg => {
                const _result = DependenciesEngine.find(arg.type);
                if (_result) {
                    if (_result.source === 'internal') {
                        let path = _result.data.type;
                        if (_result.data.type === 'class') {
                            path = 'classe';
                        }
                        return `${arg.name}${this.getOptionalString(arg)}: <a href="../${path}s/${
                            _result.data.name
                        }.html">${arg.type}</a>`;
                    } else {
                        let path = AngularVersionUtil.getApiLink(
                            _result.data,
                            Configuration.mainData.angularVersion
                        );
                        return `${arg.name}${this.getOptionalString(
                            arg
                        )}: <a href="${path}" target="_blank">${arg.type}</a>`;
                    }
                } else if (arg.dotDotDotToken) {
                    return `...${arg.name}: ${arg.type}`;
                } else if (arg.function) {
                    return this.handleFunction(arg);
                } else if (arg.expression && arg.name) {
                    return arg.expression.text + '.' + arg.name.text;
                } else if (arg.expression && arg.kind === SyntaxKind.NewExpression) {
                    return 'new ' + arg.expression.text + '()';
                } else if (arg.kind && arg.kind === SyntaxKind.StringLiteral) {
                    return `'` + arg.text + `'`;
                } else if (
                    arg.kind &&
                    arg.kind === SyntaxKind.ArrayLiteralExpression &&
                    arg.elements &&
                    arg.elements.length > 0
                ) {
                    let i = 0,
                        len = arg.elements.length,
                        result = '[';
                    for (i; i < len; i++) {
                        result += `'` + arg.elements[i].text + `'`;
                        if (i < len - 1) {
                            result += ', ';
                        }
                    }
                    result += ']';
                    return result;
                } else if (
                    arg.kind &&
                    arg.kind === SyntaxKind.ArrowFunction &&
                    arg.parameters &&
                    arg.parameters.length > 0
                ) {
                    return StringifyArrowFunction(arg);
                } else if (arg.kind && arg.kind === SyntaxKind.ObjectLiteralExpression) {
                    return StringifyObjectLiteralExpression(arg);
                } else if (BasicTypeUtil.isKnownType(arg.type)) {
                    const path = BasicTypeUtil.getTypeUrl(arg.type);
                    return `${arg.name}${this.getOptionalString(
                        arg
                    )}: <a href="${path}" target="_blank">${arg.type}</a>`;
                } else {
                    if (arg.type) {
                        let finalStringifiedArgument = '';
                        let separator = ':';
                        if (arg.name) {
                            finalStringifiedArgument += arg.name;
                        }
                        if (
                            arg.kind === SyntaxKind.AsExpression &&
                            arg.expression &&
                            arg.expression.text
                        ) {
                            finalStringifiedArgument += arg.expression.text;
                            separator = ' as';
                        }
                        if (arg.optional) {
                            finalStringifiedArgument += this.getOptionalString(arg);
                        }
                        if (arg.type) {
                            finalStringifiedArgument += separator + ' ' + this.visitType(arg.type);
                        }
                        return finalStringifiedArgument;
                    } else if (arg.text) {
                        return `${arg.text}`;
                    } else {
                        return `${arg.name}${this.getOptionalString(arg)}`;
                    }
                }
            })
            .join(', ');

        return stringifyArgs;
    }

    private getPosition(node: ts.Node, sourceFile: ts.SourceFile): ts.LineAndCharacter {
        let position: ts.LineAndCharacter;
        if (node.name && node.name.end) {
            position = ts.getLineAndCharacterOfPosition(sourceFile, node.name.end);
        } else {
            position = ts.getLineAndCharacterOfPosition(sourceFile, node.pos);
        }
        return position;
    }

    private addAccessor(accessors, nodeAccessor, sourceFile) {
        let nodeName = '';
        if (nodeAccessor.name) {
            nodeName = nodeAccessor.name.text;
            let jsdoctags = this.jsdocParserUtil.getJSDocs(nodeAccessor);

            if (!accessors[nodeName]) {
                accessors[nodeName] = {
                    name: nodeName,
                    setSignature: undefined,
                    getSignature: undefined
                };
            }

            if (nodeAccessor.kind === SyntaxKind.SetAccessor) {
                let setSignature = {
                    name: nodeName,
                    type: 'void',
                    deprecated: false,
                    deprecationMessage: '',
                    args: nodeAccessor.parameters.map(param => this.visitArgument(param)),
                    returnType: nodeAccessor.type ? this.visitType(nodeAccessor.type) : 'void',
                    line: this.getPosition(nodeAccessor, sourceFile).line + 1
                };

                if (nodeAccessor.jsDoc && nodeAccessor.jsDoc.length >= 1) {
                    const comment = this.jsdocParserUtil.getMainCommentOfNode(
                        nodeAccessor,
                        sourceFile
                    );
                    if (typeof comment !== 'undefined') {
                        const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
                        setSignature.rawdescription = cleanedDescription;
                        setSignature.description = markedAcl(cleanedDescription);
                    }
                }

                if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                    this.checkForDeprecation(jsdoctags[0].tags, setSignature);
                    setSignature.jsdoctags = markedtags(jsdoctags[0].tags);
                }
                if (setSignature.jsdoctags && setSignature.jsdoctags.length > 0) {
                    setSignature.jsdoctags = mergeTagsAndArgs(
                        setSignature.args,
                        setSignature.jsdoctags
                    );
                } else if (setSignature.args && setSignature.args.length > 0) {
                    setSignature.jsdoctags = mergeTagsAndArgs(setSignature.args);
                }

                accessors[nodeName].setSignature = setSignature;
            }
            if (nodeAccessor.kind === SyntaxKind.GetAccessor) {
                let getSignature = {
                    name: nodeName,
                    type: nodeAccessor.type ? kindToType(nodeAccessor.type.kind) : '',
                    returnType: nodeAccessor.type ? this.visitType(nodeAccessor.type) : '',
                    line: this.getPosition(nodeAccessor, sourceFile).line + 1
                };

                if (nodeAccessor.jsDoc && nodeAccessor.jsDoc.length >= 1) {
                    const comment = this.jsdocParserUtil.getMainCommentOfNode(
                        nodeAccessor,
                        sourceFile
                    );
                    if (typeof comment !== 'undefined') {
                        const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
                        getSignature.rawdescription = cleanedDescription;
                        getSignature.description = markedAcl(cleanedDescription);
                    }
                }

                if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                    this.checkForDeprecation(jsdoctags[0].tags, getSignature);
                    getSignature.jsdoctags = markedtags(jsdoctags[0].tags);
                }

                accessors[nodeName].getSignature = getSignature;
            }
        }
    }

    private isDirectiveDecorator(decorator: ts.Decorator): boolean {
        if (decorator.expression.expression) {
            let decoratorIdentifierText = decorator.expression.expression.text;
            return (
                decoratorIdentifierText === 'Directive' || decoratorIdentifierText === 'Component'
            );
        } else {
            return false;
        }
    }

    private isServiceDecorator(decorator) {
        return decorator.expression.expression
            ? decorator.expression.expression.text === 'Injectable'
            : false;
    }

    private isPrivate(member): boolean {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        if (member.modifiers) {
            const isPrivate: boolean = member.modifiers.some(
                modifier => modifier.kind === SyntaxKind.PrivateKeyword
            );
            if (isPrivate) {
                return true;
            }
        }
        // Check for ECMAScript Private Fields
        if (member.name && member.name.escapedText) {
            const isPrivate: boolean = member.name.escapedText.indexOf('#') === 0;
            if (isPrivate) {
                return true;
            }
        }
        return this.isHiddenMember(member);
    }

    private isProtected(member): boolean {
        if (member.modifiers) {
            const isProtected: boolean = member.modifiers.some(
                modifier => modifier.kind === SyntaxKind.ProtectedKeyword
            );
            if (isProtected) {
                return true;
            }
        }
        return this.isHiddenMember(member);
    }

    private isInternal(member): boolean {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        const internalTags: string[] = ['internal'];
        if (member.jsDoc) {
            for (const doc of member.jsDoc) {
                if (doc.tags) {
                    for (const tag of doc.tags) {
                        if (internalTags.indexOf(tag.tagName.text) > -1) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }

    private isPublic(member): boolean {
        if (member.modifiers) {
            const isPublic: boolean = member.modifiers.some(
                modifier => modifier.kind === SyntaxKind.PublicKeyword
            );
            if (isPublic) {
                return true;
            }
        }
        return this.isHiddenMember(member);
    }

    private isHiddenMember(member): boolean {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        const internalTags: string[] = ['hidden'];
        if (member.jsDoc) {
            for (const doc of member.jsDoc) {
                if (doc.tags) {
                    for (const tag of doc.tags) {
                        if (internalTags.indexOf(tag.tagName.text) > -1) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }

    private isPipeDecorator(decorator) {
        return decorator.expression.expression
            ? decorator.expression.expression.text === 'Pipe'
            : false;
    }

    private isControllerDecorator(decorator) {
        return decorator.expression.expression
            ? decorator.expression.expression.text === 'Controller'
            : false;
    }

    private isModuleDecorator(decorator) {
        return decorator.expression.expression
            ? decorator.expression.expression.text === 'NgModule' ||
                  decorator.expression.expression.text === 'Module'
            : false;
    }

    /**
     * VISITERS
     */

    public visitClassDeclaration(
        fileName: string,
        classDeclaration: ts.ClassDeclaration | ts.InterfaceDeclaration,
        sourceFile?: ts.SourceFile,
        astFile?: ts.SourceFile
    ): any {
        let symbol = this.typeChecker.getSymbolAtLocation(classDeclaration.name);
        let rawdescription = '';
        let deprecated = false;
        let deprecationMessage = '';
        let description = '';
        let jsdoctags = [];
        if (symbol) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(classDeclaration, sourceFile);
            rawdescription = this.jsdocParserUtil.parseComment(comment);
            description = markedAcl(rawdescription);
            if (symbol.valueDeclaration && isIgnore(symbol.valueDeclaration)) {
                return [{ ignore: true }];
            }
            if (symbol.declarations && symbol.declarations.length > 0) {
                let declarationsjsdoctags = this.jsdocParserUtil.getJSDocs(symbol.declarations[0]);
                if (
                    declarationsjsdoctags &&
                    declarationsjsdoctags.length >= 1 &&
                    declarationsjsdoctags[0].tags
                ) {
                    const deprecation = { deprecated: false, deprecationMessage: '' };
                    this.checkForDeprecation(declarationsjsdoctags[0].tags, deprecation);
                    deprecated = deprecation.deprecated;
                    deprecationMessage = deprecation.deprecationMessage;
                }
                if (isIgnore(symbol.declarations[0])) {
                    return [{ ignore: true }];
                }
            }
            if (symbol.valueDeclaration) {
                jsdoctags = this.jsdocParserUtil.getJSDocs(symbol.valueDeclaration);
                if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                    const deprecation = { deprecated: false, deprecationMessage: '' };
                    this.checkForDeprecation(jsdoctags[0].tags, deprecation);
                    deprecated = deprecation.deprecated;
                    deprecationMessage = deprecation.deprecationMessage;
                    jsdoctags = markedtags(jsdoctags[0].tags);
                }
            }
        }
        let className = classDeclaration.name.text;
        let members;
        let implementsElements = [];
        let extendsElements = [];

        if (typeof ts.getEffectiveImplementsTypeNodes !== 'undefined') {
            let implementedTypes = ts.getEffectiveImplementsTypeNodes(classDeclaration);
            if (implementedTypes) {
                let i = 0;
                let len = implementedTypes.length;
                for (i; i < len; i++) {
                    if (implementedTypes[i].expression) {
                        implementsElements.push(implementedTypes[i].expression.text);
                    }
                }
            }
        }

        if (typeof ts.getClassExtendsHeritageElement !== 'undefined') {
            if (astFile) {
                let interfaceOrClassNode = astFile.getInterface(className);
                if (!interfaceOrClassNode) {
                    interfaceOrClassNode = astFile.getClass(className);
                }
                if (interfaceOrClassNode) {
                    const extendsListRaw = interfaceOrClassNode.getExtends();
                    let extendsList = [];
                    if (extendsListRaw) {
                        if (Array.isArray(extendsListRaw)) {
                            if (extendsListRaw.length > 0) {
                                extendsListRaw.forEach(extendElement => {
                                    const extendElementExpression = extendElement.getExpression();
                                    if (extendElementExpression) {
                                        const text = extendElementExpression.getText();
                                        if (text) {
                                            extendsList.push(text);
                                        }
                                    }
                                });
                            }
                        } else {
                            const extendElementExpression = extendsListRaw.getExpression();
                            if (extendElementExpression) {
                                const text = extendElementExpression.getText();
                                if (text) {
                                    extendsList.push(text);
                                }
                            }
                        }
                    }
                    extendsElements = extendsList;
                }
            }
        }
        members = this.visitMembers(classDeclaration.members, sourceFile);

        if (nodeHasDecorator(classDeclaration)) {
            const classDecorators = getNodeDecorators(classDeclaration);
            // Loop and search for official decorators at top-level :
            // Angular : @NgModule, @Component, @Directive, @Injectable, @Pipe
            // Nestjs : @Controller, @Module, @Injectable
            // Stencil : @Component
            let isDirective = false;
            let isService = false;
            let isPipe = false;
            let isModule = false;
            let isController = false;
            for (let a = 0; a < classDecorators.length; a++) {
                //console.log(classDeclaration.decorators[i].expression);

                // RETURN TOO EARLY FOR MANY DECORATORS !!!!
                // iterating through the decorators array we have to keep the flags `true` values from the previous loop iteration
                isDirective = isDirective || this.isDirectiveDecorator(classDecorators[a]);
                isService = isService || this.isServiceDecorator(classDecorators[a]);
                isPipe = isPipe || this.isPipeDecorator(classDecorators[a]);
                isModule = isModule || this.isModuleDecorator(classDecorators[a]);
                isController = isController || this.isControllerDecorator(classDecorators[a]);
            }
            if (isDirective) {
                return {
                    deprecated,
                    deprecationMessage,
                    description,
                    rawdescription: rawdescription,
                    inputs: members.inputs,
                    outputs: members.outputs,
                    hostBindings: members.hostBindings,
                    hostListeners: members.hostListeners,
                    properties: members.properties,
                    methods: members.methods,
                    indexSignatures: members.indexSignatures,
                    kind: members.kind,
                    constructor: members.constructor,
                    jsdoctags: jsdoctags,
                    extends: extendsElements,
                    implements: implementsElements,
                    accessors: members.accessors
                };
            } else if (isService) {
                return [
                    {
                        fileName,
                        className,
                        deprecated,
                        deprecationMessage,
                        description,
                        rawdescription: rawdescription,
                        methods: members.methods,
                        indexSignatures: members.indexSignatures,
                        properties: members.properties,
                        kind: members.kind,
                        constructor: members.constructor,
                        jsdoctags: jsdoctags,
                        extends: extendsElements,
                        implements: implementsElements,
                        accessors: members.accessors
                    }
                ];
            } else if (isPipe) {
                return [
                    {
                        fileName,
                        className,
                        deprecated,
                        deprecationMessage,
                        description,
                        rawdescription: rawdescription,
                        jsdoctags: jsdoctags,
                        properties: members.properties,
                        methods: members.methods
                    }
                ];
            } else if (isModule) {
                return [
                    {
                        fileName,
                        className,
                        deprecated,
                        deprecationMessage,
                        description,
                        rawdescription: rawdescription,
                        jsdoctags: jsdoctags,
                        methods: members.methods
                    }
                ];
            } else {
                return [
                    {
                        deprecated,
                        deprecationMessage,
                        description,
                        rawdescription: rawdescription,
                        methods: members.methods,
                        indexSignatures: members.indexSignatures,
                        properties: members.properties,
                        kind: members.kind,
                        constructor: members.constructor,
                        jsdoctags: jsdoctags,
                        extends: extendsElements,
                        implements: implementsElements,
                        accessors: members.accessors
                    }
                ];
            }
        } else if (description) {
            return [
                {
                    deprecated,
                    deprecationMessage,
                    description,
                    rawdescription: rawdescription,
                    inputs: members.inputs,
                    outputs: members.outputs,
                    hostBindings: members.hostBindings,
                    hostListeners: members.hostListeners,
                    methods: members.methods,
                    indexSignatures: members.indexSignatures,
                    properties: members.properties,
                    kind: members.kind,
                    constructor: members.constructor,
                    jsdoctags: jsdoctags,
                    extends: extendsElements,
                    implements: implementsElements,
                    accessors: members.accessors
                }
            ];
        } else {
            return [
                {
                    deprecated,
                    deprecationMessage,
                    methods: members.methods,
                    inputs: members.inputs,
                    outputs: members.outputs,
                    hostBindings: members.hostBindings,
                    hostListeners: members.hostListeners,
                    indexSignatures: members.indexSignatures,
                    properties: members.properties,
                    kind: members.kind,
                    constructor: members.constructor,
                    jsdoctags: jsdoctags,
                    extends: extendsElements,
                    implements: implementsElements,
                    accessors: members.accessors
                }
            ];
        }

        return [];
    }

    private visitMembers(members, sourceFile) {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        let inputs = [];
        let outputs = [];
        let methods = [];
        let properties = [];
        let indexSignatures = [];
        let kind;
        let inputDecorator;
        let hostBindings = [];
        let hostListeners = [];
        let constructor;
        let outputDecorator;
        let accessors = {};
        let result = {};

        for (let i = 0; i < members.length; i++) {
            // Allows typescript guess type when using ts.is*
            let member = members[i];

            inputDecorator = this.getDecoratorOfType(member, 'Input');
            outputDecorator = this.getDecoratorOfType(member, 'Output');
            const parsedHostBindings = this.getDecoratorOfType(member, 'HostBinding');
            const parsedHostListeners = this.getDecoratorOfType(member, 'HostListener');

            kind = member.kind;

            if (isIgnore(member)) {
                continue;
            }

            if (this.isInternal(member) && Configuration.mainData.disableInternal) {
                continue;
            }

            if (inputDecorator && inputDecorator.length > 0) {
                inputs.push(this.visitInputAndHostBinding(member, inputDecorator[0], sourceFile));
                if (ts.isSetAccessorDeclaration(member)) {
                    this.addAccessor(accessors, members[i], sourceFile);
                }
            } else if (outputDecorator && outputDecorator.length > 0) {
                outputs.push(this.visitOutput(member, outputDecorator[0], sourceFile));
            } else if (parsedHostBindings && parsedHostBindings.length > 0) {
                let k = 0;
                const lenHB = parsedHostBindings.length;
                for (k; k < lenHB; k++) {
                    hostBindings.push(
                        this.visitInputAndHostBinding(member, parsedHostBindings[k], sourceFile)
                    );
                }
            } else if (parsedHostListeners && parsedHostListeners.length > 0) {
                let l = 0;
                const lenHL = parsedHostListeners.length;
                for (l; l < lenHL; l++) {
                    hostListeners.push(
                        this.visitHostListener(member, parsedHostListeners[l], sourceFile)
                    );
                }
            }

            if (!this.isHiddenMember(member)) {
                if (!(this.isPrivate(member) && Configuration.mainData.disablePrivate)) {
                    if (!(this.isInternal(member) && Configuration.mainData.disableInternal)) {
                        if (
                            !(this.isProtected(member) && Configuration.mainData.disableProtected)
                        ) {
                            if (ts.isMethodDeclaration(member) || ts.isMethodSignature(member)) {
                                methods.push(this.visitMethodDeclaration(member, sourceFile));
                            } else if (
                                ts.isPropertyDeclaration(member) ||
                                ts.isPropertySignature(member)
                            ) {
                                if (!inputDecorator && !outputDecorator) {
                                    properties.push(this.visitProperty(member, sourceFile));
                                }
                            } else if (ts.isCallSignatureDeclaration(member)) {
                                properties.push(this.visitCallDeclaration(member, sourceFile));
                            } else if (
                                ts.isGetAccessorDeclaration(member) ||
                                ts.isSetAccessorDeclaration(member)
                            ) {
                                this.addAccessor(accessors, members[i], sourceFile);
                            } else if (ts.isIndexSignatureDeclaration(member)) {
                                indexSignatures.push(
                                    this.visitIndexDeclaration(member, sourceFile)
                                );
                            } else if (ts.isConstructorDeclaration(member)) {
                                let _constructorProperties = this.visitConstructorProperties(
                                    member,
                                    sourceFile
                                );
                                let j = 0;
                                let len = _constructorProperties.length;
                                for (j; j < len; j++) {
                                    properties.push(_constructorProperties[j]);
                                }
                                constructor = this.visitConstructorDeclaration(member, sourceFile);
                            }
                        }
                    }
                }
            }
        }

        inputs.sort(getNamesCompareFn());
        outputs.sort(getNamesCompareFn());
        hostBindings.sort(getNamesCompareFn());
        hostListeners.sort(getNamesCompareFn());
        properties.sort(getNamesCompareFn());
        methods.sort(getNamesCompareFn());
        indexSignatures.sort(getNamesCompareFn());

        result = {
            inputs,
            outputs,
            hostBindings,
            hostListeners,
            methods,
            properties,
            indexSignatures,
            kind,
            constructor
        };

        if (Object.keys(accessors).length) {
            result['accessors'] = accessors;
        }

        return result;
    }

    private visitTypeName(typeName: ts.Identifier) {
        if (typeName.escapedText) {
            return typeName.escapedText;
        }
        if (typeName.text) {
            return typeName.text;
        }
        if (typeName.left && typeName.right) {
            return this.visitTypeName(typeName.left) + '.' + this.visitTypeName(typeName.right);
        }
        return '';
    }

    public visitType(node): string {
        let _return = 'void';

        if (!node) {
            return _return;
        }

        if (node.typeName) {
            _return = this.visitTypeName(node.typeName);
        } else if (node.type) {
            if (node.type.kind) {
                _return = kindToType(node.type.kind);
            }
            if (node.type.typeName) {
                _return = this.visitTypeName(node.type.typeName);
            }
            if (node.type.typeArguments) {
                _return += '<';
                const typeArguments = [];
                for (const argument of node.type.typeArguments) {
                    typeArguments.push(this.visitType(argument));
                }
                _return += typeArguments.join(' | ');
                _return += '>';
            }
            if (node.type.elementType) {
                const _firstPart = this.visitType(node.type.elementType);
                _return = _firstPart + kindToType(node.type.kind);
                if (node.type.elementType.kind === SyntaxKind.ParenthesizedType) {
                    _return = '(' + _firstPart + ')' + kindToType(node.type.kind);
                }
            }

            const parseTypesOrElements = (arr, separator) => {
                let i = 0;
                let len = arr.length;
                for (i; i < len; i++) {
                    let type = arr[i];

                    if (type.elementType) {
                        const _firstPart = this.visitType(type.elementType);
                        if (type.elementType.kind === SyntaxKind.ParenthesizedType) {
                            _return += '(' + _firstPart + ')' + kindToType(type.kind);
                        } else {
                            _return += _firstPart + kindToType(type.kind);
                        }
                    } else {
                        if (ts.isLiteralTypeNode(type) && type.literal) {
                            if (type.literal.text) {
                                _return += '"' + type.literal.text + '"';
                            } else {
                                _return += kindToType(type.literal.kind);
                            }
                        } else {
                            _return += kindToType(type.kind);
                        }
                        if (type.typeName) {
                            _return += this.visitTypeName(type.typeName);
                        }
                        if (type.kind === SyntaxKind.RestType && type.type) {
                            _return += '...' + this.visitType(type.type);
                        }
                        if (type.typeArguments) {
                            _return += '<';
                            const typeArguments = [];
                            for (const argument of type.typeArguments) {
                                typeArguments.push(this.visitType(argument));
                            }
                            _return += typeArguments.join(separator);
                            _return += '>';
                        }
                    }
                    if (i < len - 1) {
                        _return += separator;
                    }
                }
            };

            if (node.type.elements && ts.isTupleTypeNode(node.type)) {
                _return += '[';
                parseTypesOrElements(node.type.elements, ', ');
                _return += ']';
            }
            if (node.type.types && ts.isUnionTypeNode(node.type)) {
                parseTypesOrElements(node.type.types, ' | ');
            }
            if (node.type.elementTypes) {
                let elementTypes = node.type.elementTypes;
                let i = 0;
                let len = elementTypes.length;
                if (len > 0) {
                    _return = '[';

                    for (i; i < len; i++) {
                        let type = elementTypes[i];
                        if (type.kind === SyntaxKind.ArrayType && type.elementType) {
                            _return += kindToType(type.elementType.kind);
                            _return += kindToType(type.kind);
                        } else {
                            _return += kindToType(type.kind);
                        }
                        if (ts.isLiteralTypeNode(type) && type.literal) {
                            if (type.literal.text) {
                                _return += '"' + type.literal.text + '"';
                            } else {
                                _return += kindToType(type.literal.kind);
                            }
                        }
                        if (type.typeName) {
                            _return += this.visitTypeName(type.typeName);
                        }
                        if (type.kind === SyntaxKind.RestType && type.type) {
                            _return += '...' + this.visitType(type.type);
                        }

                        if (
                            type.kind === SyntaxKind.TypeReference &&
                            type.typeName &&
                            typeof type.typeName.escapedText !== 'undefined' &&
                            type.typeName.escapedText === ''
                        ) {
                            continue;
                        }
                        if (i < len - 1) {
                            _return += ', ';
                        }
                    }
                    _return += ']';
                }
            }
        } else if (node.elementType) {
            _return = kindToType(node.elementType.kind) + kindToType(node.kind);
            if (node.elementType.typeName) {
                _return = this.visitTypeName(node.elementType.typeName) + kindToType(node.kind);
            }
        } else if (node.types && ts.isUnionTypeNode(node)) {
            _return = '';
            let i = 0;
            let len = node.types.length;
            for (i; i < len; i++) {
                let type = node.types[i];
                _return += kindToType(type.kind);
                if (ts.isLiteralTypeNode(type) && type.literal) {
                    if (type.literal.text) {
                        _return += '"' + type.literal.text + '"';
                    } else {
                        _return += kindToType(type.literal.kind);
                    }
                }
                if (type.typeName) {
                    _return += this.visitTypeName(type.typeName);
                }
                if (i < len - 1) {
                    _return += ' | ';
                }
            }
        } else if (node.dotDotDotToken) {
            _return = 'any[]';
        } else {
            _return = kindToType(node.kind);
            if (
                _return === '' &&
                node.initializer &&
                node.initializer.kind &&
                (node.kind === SyntaxKind.PropertyDeclaration || node.kind === SyntaxKind.Parameter)
            ) {
                _return = kindToType(node.initializer.kind);
            }
            if (node.kind === SyntaxKind.TypeParameter) {
                _return = node.name.text;
            }
            if (node.kind === SyntaxKind.LiteralType) {
                _return = node.literal.text;
            }
        }
        if (node.typeArguments && node.typeArguments.length > 0) {
            _return += '<';
            let i = 0,
                len = node.typeArguments.length;
            for (i; i < len; i++) {
                let argument = node.typeArguments[i];
                _return += this.visitType(argument);
                if (i >= 0 && i < len - 1) {
                    _return += ', ';
                }
            }
            _return += '>';
        }
        return _return;
    }

    private visitCallDeclaration(method: ts.CallSignatureDeclaration, sourceFile: ts.SourceFile) {
        let sourceCode = sourceFile.getText();
        let hash = crypto.createHash('sha512').update(sourceCode).digest('hex');
        let result: any = {
            id: 'call-declaration-' + hash,
            args: method.parameters ? method.parameters.map(prop => this.visitArgument(prop)) : [],
            returnType: this.visitType(method.type),
            line: this.getPosition(method, sourceFile).line + 1,
            deprecated: false,
            deprecationMessage: ''
        };
        if (method.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(method, sourceFile);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            result.rawdescription = cleanedDescription;
            result.description = markedAcl(cleanedDescription);
        }
        let jsdoctags = this.jsdocParserUtil.getJSDocs(method);
        if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
            this.checkForDeprecation(jsdoctags[0].tags, result);
            result.jsdoctags = markedtags(jsdoctags[0].tags);
        }
        return result;
    }

    private visitIndexDeclaration(
        method: ts.IndexSignatureDeclaration,
        sourceFile?: ts.SourceFile
    ) {
        let sourceCode = sourceFile.getText();
        let hash = crypto.createHash('sha512').update(sourceCode).digest('hex');
        let result = {
            id: 'index-declaration-' + hash,
            args: method.parameters ? method.parameters.map(prop => this.visitArgument(prop)) : [],
            returnType: this.visitType(method.type),
            line: this.getPosition(method, sourceFile).line + 1,
            deprecated: false,
            deprecationMessage: ''
        };
        const jsdoctags = this.jsdocParserUtil.getJSDocs(method);
        if (method.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(method, sourceFile);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            result.rawdescription = cleanedDescription;
            result.description = markedAcl(cleanedDescription);
        }

        if (jsdoctags && jsdoctags.length >= 1) {
            if (jsdoctags[0].tags) {
                this.checkForDeprecation(jsdoctags[0].tags, result);
                if (method.jsDoc) {
                    result.jsdoctags = markedtags(jsdoctags[0].tags);
                }
            }
        }

        return result;
    }

    private visitConstructorDeclaration(
        method: ts.ConstructorDeclaration,
        sourceFile?: ts.SourceFile
    ) {
        /**
         * Copyright https://github.com/ng-bootstrap/ng-bootstrap
         */
        let result: any = {
            name: 'constructor',
            description: '',
            deprecated: false,
            deprecationMessage: '',
            args: method.parameters ? method.parameters.map(prop => this.visitArgument(prop)) : [],
            line: this.getPosition(method, sourceFile).line + 1
        };
        let jsdoctags = this.jsdocParserUtil.getJSDocs(method);

        if (method.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(method, sourceFile);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            result.rawdescription = cleanedDescription;
            result.description = markedAcl(cleanedDescription);
        }

        if (method.modifiers) {
            if (method.modifiers.length > 0) {
                let kinds = method.modifiers.map(modifier => {
                    return modifier.kind;
                });
                if (
                    _.indexOf(kinds, SyntaxKind.PublicKeyword) !== -1 &&
                    _.indexOf(kinds, SyntaxKind.StaticKeyword) !== -1
                ) {
                    kinds = kinds.filter(kind => kind !== SyntaxKind.PublicKeyword);
                }
                result.modifierKind = kinds;
            }
        }
        if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
            this.checkForDeprecation(jsdoctags[0].tags, result);
            result.jsdoctags = markedtags(jsdoctags[0].tags);
        }
        if (result.jsdoctags && result.jsdoctags.length > 0) {
            result.jsdoctags = mergeTagsAndArgs(result.args, result.jsdoctags);
        } else if (result.args.length > 0) {
            result.jsdoctags = mergeTagsAndArgs(result.args);
        }
        return result;
    }

    private visitProperty(property: ts.PropertyDeclaration, sourceFile) {
        let result: any = {
            name: property.name.text,
            defaultValue: property.initializer
                ? this.stringifyDefaultValue(property.initializer)
                : undefined,
            deprecated: false,
            deprecationMessage: '',
            type: this.visitType(property),
            optional: typeof property.questionToken !== 'undefined',
            description: '',
            line: this.getPosition(property, sourceFile).line + 1
        };
        let jsdoctags;

        if (property.initializer && property.initializer.kind === SyntaxKind.ArrowFunction) {
            result.defaultValue = '() => {...}';
        }

        if (typeof result.name === 'undefined' && typeof property.name.expression !== 'undefined') {
            result.name = property.name.expression.text;
        }

        jsdoctags = this.jsdocParserUtil.getJSDocs(property);

        if (property.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(property, sourceFile);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            result.rawdescription = cleanedDescription;
            result.description = markedAcl(cleanedDescription);
        }

        if (nodeHasDecorator(property)) {
            const propertyDecorators = getNodeDecorators(property);
            result.decorators = this.formatDecorators(propertyDecorators);
        }

        if (property.modifiers) {
            if (property.modifiers.length > 0) {
                let kinds = property.modifiers.map(modifier => {
                    return modifier.kind;
                });
                if (
                    _.indexOf(kinds, SyntaxKind.PublicKeyword) !== -1 &&
                    _.indexOf(kinds, SyntaxKind.StaticKeyword) !== -1
                ) {
                    kinds = kinds.filter(kind => kind !== SyntaxKind.PublicKeyword);
                }
                result.modifierKind = kinds;
            }
        }
        // Check for ECMAScript Private Fields
        if (this.isPrivate(property)) {
            if (!result.modifierKind) {
                result.modifierKind = [];
            }
            let hasAlreadyPrivateLeyword = false;
            result.modifierKind.forEach(modifierKind => {
                if (modifierKind === SyntaxKind.PrivateKeyword) {
                    hasAlreadyPrivateLeyword = true;
                }
            });
            if (!hasAlreadyPrivateLeyword) {
                result.modifierKind.push(SyntaxKind.PrivateKeyword);
            }
        }
        if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
            this.checkForDeprecation(jsdoctags[0].tags, result);
            if (property.jsDoc) {
                result.jsdoctags = markedtags(jsdoctags[0].tags);
            }
        }

        return result;
    }

    private visitConstructorProperties(constr, sourceFile) {
        if (constr.parameters) {
            let _parameters = [];
            let i = 0;
            let len = constr.parameters.length;
            for (i; i < len; i++) {
                const parameterOfConstructor = constr.parameters[i];
                if (isIgnore(parameterOfConstructor)) {
                    continue;
                }
                if (
                    this.isInternal(parameterOfConstructor) &&
                    Configuration.mainData.disableInternal
                ) {
                    continue;
                }
                if (this.isPublic(parameterOfConstructor)) {
                    _parameters.push(this.visitProperty(constr.parameters[i], sourceFile));
                }
            }
            /**
             * Merge JSDoc tags description from constructor with parameters
             */
            if (constr.jsDoc) {
                if (constr.jsDoc.length > 0) {
                    let constrTags = constr.jsDoc[0].tags;
                    if (constrTags && constrTags.length > 0) {
                        constrTags.forEach(tag => {
                            _parameters.forEach(param => {
                                if (
                                    tag.tagName &&
                                    tag.tagName.escapedText &&
                                    tag.tagName.escapedText === 'param'
                                ) {
                                    if (
                                        tag.name &&
                                        tag.name.escapedText &&
                                        tag.name.escapedText === param.name
                                    ) {
                                        param.description = tag.comment;
                                    }
                                }
                            });
                        });
                    }
                }
            }
            return _parameters;
        } else {
            return [];
        }
    }

    private visitMethodDeclaration(method: ts.MethodDeclaration, sourceFile: ts.SourceFile) {
        let result: any = {
            name: method.name.text,
            args: method.parameters ? method.parameters.map(prop => this.visitArgument(prop)) : [],
            optional: typeof method.questionToken !== 'undefined',
            returnType: this.visitType(method.type),
            typeParameters: [],
            line: this.getPosition(method, sourceFile).line + 1,
            deprecated: false,
            deprecationMessage: ''
        };
        let jsdoctags = this.jsdocParserUtil.getJSDocs(method);

        if (typeof method.type === 'undefined') {
            // Try to get inferred type
            if (method.symbol) {
                let symbol: ts.Symbol = method.symbol;
                if (symbol.valueDeclaration) {
                    let symbolType = this.typeChecker.getTypeOfSymbolAtLocation(
                        symbol,
                        symbol.valueDeclaration
                    );
                    if (symbolType) {
                        try {
                            const signature = this.typeChecker.getSignatureFromDeclaration(method);
                            const returnType = signature.getReturnType();
                            result.returnType = this.typeChecker.typeToString(returnType);
                            // tslint:disable-next-line:no-empty
                        } catch (error) {}
                    }
                }
            }
        }

        if (method.typeParameters && method.typeParameters.length > 0) {
            result.typeParameters = method.typeParameters.map(typeParameter =>
                this.visitType(typeParameter)
            );
        }

        if (method.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(method, sourceFile);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            result.rawdescription = cleanedDescription;
            result.description = markedAcl(cleanedDescription);
        }

        if (nodeHasDecorator(method)) {
            const methodDecorators = getNodeDecorators(method);
            result.decorators = this.formatDecorators(methodDecorators);
        }

        if (method.modifiers) {
            if (method.modifiers.length > 0) {
                let kinds = method.modifiers.map(modifier => {
                    return modifier.kind;
                });
                if (
                    _.indexOf(kinds, SyntaxKind.PublicKeyword) !== -1 &&
                    _.indexOf(kinds, SyntaxKind.StaticKeyword) !== -1
                ) {
                    kinds = kinds.filter(kind => kind !== SyntaxKind.PublicKeyword);
                }
                result.modifierKind = kinds;
            }
        }
        // Check for ECMAScript Private Fields
        if (this.isPrivate(method)) {
            if (!result.modifierKind) {
                result.modifierKind = [];
            }
            let hasAlreadyPrivateLeyword = false;
            result.modifierKind.forEach(modifierKind => {
                if (modifierKind === SyntaxKind.PrivateKeyword) {
                    hasAlreadyPrivateLeyword = true;
                }
            });
            if (!hasAlreadyPrivateLeyword) {
                result.modifierKind.push(SyntaxKind.PrivateKeyword);
            }
        }
        if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
            this.checkForDeprecation(jsdoctags[0].tags, result);
            result.jsdoctags = markedtags(jsdoctags[0].tags);
        }
        if (result.jsdoctags && result.jsdoctags.length > 0) {
            result.jsdoctags = mergeTagsAndArgs(result.args, result.jsdoctags);
        } else if (result.args.length > 0) {
            result.jsdoctags = mergeTagsAndArgs(result.args);
        }
        return result;
    }

    private visitOutput(
        property: ts.PropertyDeclaration,
        outDecorator: ts.Decorator,
        sourceFile?: ts.SourceFile
    ) {
        let inArgs = outDecorator.expression.arguments;
        let _return: any = {
            name: inArgs.length > 0 ? inArgs[0].text : property.name.text,
            defaultValue: property.initializer
                ? this.stringifyDefaultValue(property.initializer)
                : undefined,
            deprecated: false,
            deprecationMessage: ''
        };
        if (property.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(property, sourceFile);
            const jsdoctags = this.jsdocParserUtil.getJSDocs(property);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            _return.rawdescription = cleanedDescription;
            _return.description = markedAcl(cleanedDescription);

            if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                this.checkForDeprecation(jsdoctags[0].tags, _return);
                _return.jsdoctags = markedtags(jsdoctags[0].tags);
            }
        }
        if (!_return.description) {
            if (property.jsDoc && property.jsDoc.length > 0) {
                if (typeof property.jsDoc[0].comment !== 'undefined') {
                    const rawDescription = property.jsDoc[0].comment;
                    _return.rawdescription = rawDescription;
                    _return.description = markedAcl(rawDescription);
                }
            }
        }
        _return.line = this.getPosition(property, sourceFile).line + 1;

        if (property.type) {
            _return.type = this.visitType(property);
        } else {
            // handle NewExpression
            if (property.initializer) {
                if (ts.isNewExpression(property.initializer)) {
                    if (property.initializer.expression) {
                        _return.type = property.initializer.expression.text;
                    }
                }
            }
        }
        return _return;
    }

    private visitArgument(arg: ts.ParameterDeclaration) {
        let _result: any = {
            name: arg.name.text,
            type: this.visitType(arg),
            deprecated: false,
            deprecationMessage: ''
        };
        if (arg.dotDotDotToken) {
            _result.dotDotDotToken = true;
        }
        if (arg.questionToken) {
            _result.optional = true;
        }
        if (arg.type) {
            if (arg.type.kind) {
                if (ts.isFunctionTypeNode(arg.type)) {
                    _result.function = arg.type.parameters
                        ? arg.type.parameters.map(prop => this.visitArgument(prop))
                        : [];
                }
            }
        }
        if (arg.initializer) {
            _result.defaultValue = this.stringifyDefaultValue(arg.initializer);
        }
        const jsdoctags = this.jsdocParserUtil.getJSDocs(arg);
        if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
            this.checkForDeprecation(jsdoctags[0].tags, _result);
        }
        return _result;
    }

    private visitInputAndHostBinding(property, inDecorator, sourceFile?) {
        const inArgs = inDecorator.expression.arguments;

        let _return: any = {};

        let isInputConfigStringLiteral = false;
        let isInputConfigObjectLiteralExpression = false;
        let hasRequiredField = false;
        let hasAlias = false;

        const getRequiredField = () =>
            inArgs[0].properties.find(property => property.name.escapedText === 'required');
        const getAliasProperty = () =>
            inArgs[0].properties.find(property => property.name.escapedText === 'alias');

        if (inArgs.length > 0) {
            isInputConfigStringLiteral = inArgs[0] && ts.isStringLiteral(inArgs[0]);

            isInputConfigObjectLiteralExpression =
                inArgs[0] && ts.isObjectLiteralExpression(inArgs[0]);

            if (isInputConfigObjectLiteralExpression && inArgs[0].properties) {
                hasRequiredField = isInputConfigObjectLiteralExpression && !!getRequiredField();
                hasAlias = isInputConfigObjectLiteralExpression ? !!getAliasProperty() : false;

                _return.required = !!getRequiredField();
            }

            _return.name = isInputConfigStringLiteral
                ? inArgs[0].text
                : hasAlias
                ? getAliasProperty().initializer.text
                : property.name.text;
        } else {
            _return.name = property.name.text;
        }

        _return.defaultValue = property.initializer
            ? this.stringifyDefaultValue(property.initializer)
            : undefined;
        _return.deprecated = false;
        _return.deprecationMessage = '';

        if (inArgs.length > 0 && inArgs[0].properties && hasRequiredField) {
            _return.optional = getRequiredField().initializer.kind !== SyntaxKind.TrueKeyword;
        }

        if (!_return.description) {
            if (property.jsDoc) {
                if (property.jsDoc.length > 0) {
                    const jsdoctags = this.jsdocParserUtil.getJSDocs(property);

                    if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                        this.checkForDeprecation(jsdoctags[0].tags, _return);
                        _return.jsdoctags = markedtags(jsdoctags[0].tags);
                    }
                    if (typeof property.jsDoc[0].comment !== 'undefined') {
                        const comment = this.jsdocParserUtil.getMainCommentOfNode(
                            property,
                            sourceFile
                        );
                        const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
                        _return.rawdescription = cleanedDescription;
                        _return.description = markedAcl(cleanedDescription);
                    }
                }
            }
        }
        _return.line = this.getPosition(property, sourceFile).line + 1;
        if (property.type) {
            _return.type = this.visitType(property);
        } else {
            // handle NewExpression
            if (property.initializer) {
                if (ts.isNewExpression(property.initializer)) {
                    if (property.initializer.expression) {
                        _return.type = property.initializer.expression.text;
                    }
                }
            }
            // Try to get inferred type
            if (property.symbol) {
                const symbol: ts.Symbol = property.symbol;
                if (symbol.valueDeclaration) {
                    const symbolType = this.typeChecker.getTypeOfSymbolAtLocation(
                        symbol,
                        symbol.valueDeclaration
                    );
                    if (symbolType) {
                        _return.type = this.typeChecker.typeToString(symbolType);
                    }
                }
            }
        }
        if (property.kind === SyntaxKind.SetAccessor) {
            // For setter accessor, find type in first parameter
            if (property.parameters && property.parameters.length === 1) {
                if (property.parameters[0].type) {
                    _return.type = this.visitType(property.parameters[0].type);
                }
            }
        }

        if (nodeHasDecorator(property)) {
            const propertyDecorators = getNodeDecorators(property);
            _return.decorators = this.formatDecorators(propertyDecorators).filter(
                item => item.name !== 'Input' && item.name !== 'HostBinding'
            );
        }
        return _return;
    }

    private visitHostListener(property, hostListenerDecorator, sourceFile?) {
        let inArgs = hostListenerDecorator.expression.arguments;
        let _return: any = {};
        _return.name = inArgs.length > 0 ? inArgs[0].text : property.name.text;
        _return.args = property.parameters
            ? property.parameters.map(prop => this.visitArgument(prop))
            : [];
        _return.argsDecorator =
            inArgs.length > 1
                ? inArgs[1].elements.map(prop => {
                      return prop.text;
                  })
                : [];
        _return.deprecated = false;
        _return.deprecationMessage = '';
        if (property.jsDoc) {
            const comment = this.jsdocParserUtil.getMainCommentOfNode(property, sourceFile);
            const jsdoctags = this.jsdocParserUtil.getJSDocs(property);
            const cleanedDescription = this.jsdocParserUtil.parseComment(comment);
            _return.rawdescription = cleanedDescription;
            _return.description = markedAcl(cleanedDescription);

            if (jsdoctags && jsdoctags.length >= 1 && jsdoctags[0].tags) {
                this.checkForDeprecation(jsdoctags[0].tags, _return);
                _return.jsdoctags = markedtags(jsdoctags[0].tags);
            }
        }
        if (!_return.description) {
            if (property.jsDoc) {
                if (property.jsDoc.length > 0) {
                    if (typeof property.jsDoc[0].comment !== 'undefined') {
                        const rawDescription = property.jsDoc[0].comment;
                        _return.rawdescription = rawDescription;
                        _return.description = markedAcl(rawDescription);
                    }
                }
            }
        }
        _return.line = this.getPosition(property, sourceFile).line + 1;
        return _return;
    }
}