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ngx-paypal-with-intent

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Paypal integration for Angular 6, 7 and beyond

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ import { ChangeDetectionStrategy, Component, ElementRef, Input, ViewChild, } from '@angular/core'; import { interval, Subject } from 'rxjs'; import { map, takeUntil } from 'rxjs/operators'; import { PayPalFunding } from '../models/paypal-funding'; import { PayPalIntegrationType } from '../models/paypal-integration'; import { PayPalConfig } from '../models/paypal-models'; var NgxPaypalComponent = /** @class */ (function () { function NgxPaypalComponent() { /** * Indicates if global configuration (provided via 'forRoot') is used */ this.useGlobalConfig = false; /** * Used for indicating delayed rendered if container is not yet ready in DOM */ this.registerPayPalScriptWhenContainerIsReady = false; /** * Polling interval if paypal script is pending */ this.defaultPollInterval = 50; /** * Polling will stop after polling reaches this number */ this.maximumPollWaitTime = 5000; /** * Name of the global variable where paypal is stored */ this.paypalWindowName = 'paypal'; /** * Name of the global variable indicating that script was initiated (added to page) */ this.paypalWindowScriptInitiated = 'ngx-paypal-script-initiated'; /** * PayPal integration script url */ this.paypalScriptUrl = 'https://www.paypalobjects.com/api/checkout.js'; this.payPalButtonContainerIdPrefix = 'ngx-paypal-button-container-'; this.ngUnsubscribe = new Subject(); } Object.defineProperty(NgxPaypalComponent.prototype, "payPalButtonContainerElem", { set: /** * @param {?} content * @return {?} */ function (content) { if (content) { this._payPalButtonContainerElem = content; } }, enumerable: true, configurable: true }); /** * @param {?} changes * @return {?} */ NgxPaypalComponent.prototype.ngOnChanges = /** * @param {?} changes * @return {?} */ function (changes) { // init when config once its available if (this.config) { this.initPayPal(); } }; /** * @return {?} */ NgxPaypalComponent.prototype.ngAfterViewInit = /** * @return {?} */ function () { // register script if element is ready in dom if (this.registerPayPalScriptWhenContainerIsReady && this._payPalButtonContainerElem) { this.setupScript(); this.registerPayPalScriptWhenContainerIsReady = false; } }; /** * @return {?} */ NgxPaypalComponent.prototype.ngOnDestroy = /** * @return {?} */ function () { this.ngUnsubscribe.next(); this.ngUnsubscribe.complete(); }; /** * @return {?} */ NgxPaypalComponent.prototype.initPayPal = /** * @return {?} */ function () { // set unique paypal container button id this.payPalButtonContainerId = "" + this.payPalButtonContainerIdPrefix + this.getPseudoUniqueNumber(); // check if paypal was already register and if so, don't add it to page again if (!window[this.paypalWindowName]) { // check if script is pending if (window[this.paypalWindowScriptInitiated] === true) { this.pollUntilScriptAvailable(); } else { // register script and set global flag window[this.paypalWindowScriptInitiated] = true; this.addPayPalScriptToPage(); } } else { // just register payment this.handleScriptRegistering(); } }; /** * @return {?} */ NgxPaypalComponent.prototype.getPseudoUniqueNumber = /** * @return {?} */ function () { return new Date().valueOf(); }; /** * Used when there are multiple paypal components on the same page beacuse only 1 of them * may register paypal script. The other has to be polling until paypal is available or component destroyed */ /** * Used when there are multiple paypal components on the same page beacuse only 1 of them * may register paypal script. The other has to be polling until paypal is available or component destroyed * @return {?} */ NgxPaypalComponent.prototype.pollUntilScriptAvailable = /** * Used when there are multiple paypal components on the same page beacuse only 1 of them * may register paypal script. The other has to be polling until paypal is available or component destroyed * @return {?} */ function () { var _this = this; /** @type {?} */ var obs = interval(this.defaultPollInterval) .pipe(takeUntil(this.ngUnsubscribe), map(function (x) { if (x >= _this.maximumPollWaitTime) { console.warn("PayPal script was not loaded after '" + _this.maximumPollWaitTime + "' maximum polling time."); obs.unsubscribe(); return; } // check if paypal script exists if (window[_this.paypalWindowName]) { // register script _this.handleScriptRegistering(); // stop execution obs.unsubscribe(); } })) .subscribe(); }; /** * @return {?} */ NgxPaypalComponent.prototype.addPayPalScriptToPage = /** * @return {?} */ function () { var _this = this; /** @type {?} */ var script = document.createElement('script'); script.innerHTML = ''; script.src = this.paypalScriptUrl; script.onload = function () { return _this.handleScriptRegistering(); }; script.async = true; script.defer = true; this.paypalScriptElem.nativeElement.appendChild(script); }; /** * @return {?} */ NgxPaypalComponent.prototype.handleScriptRegistering = /** * @return {?} */ function () { // check if container with requested id exists // this is here because dynamically switching between components would cause PayPal to // throw an error if the container already existed before if (this._payPalButtonContainerElem && this._payPalButtonContainerElem.nativeElement && this._payPalButtonContainerElem.nativeElement.id === this.payPalButtonContainerId) { // container is ready, setup script right away this.setupScript(); } else { // container is not ready, delay registering until it is this.registerPayPalScriptWhenContainerIsReady = true; } }; /** * @return {?} */ NgxPaypalComponent.prototype.setupScript = /** * @return {?} */ function () { var _this = this; // first clear container if (!this._payPalButtonContainerElem) { throw Error("Cannot setup script because paypal button container with id '" + this.payPalButtonContainerId + "' is not yet ready"); } this._payPalButtonContainerElem.nativeElement.innerHTML = ''; if (!window[this.paypalWindowName]) { throw Error('PayPal script is not available'); } // render PayPal button as per their docs at // https://developer.paypal.com/docs/integration/direct/express-checkout/integration-jsv4/add-paypal-button/ window[this.paypalWindowName].Button.render({ // set environment env: this.config.environment.toString(), // Show the buyer a 'Pay Now' button in the checkout flow commit: this.config.commit, // init client for client side integration client: this.getClient(), // set button config if available style: this.config.button, // set funding if available funding: this.getFunding(), // payment() is called when the button is clicked payment: function (data, actions) { if (_this.config.integrationType === PayPalIntegrationType.ServerSideREST) { // client needs to create payment on server side if (!_this.config.payment) { throw Error("You need set up a create payment method and return\n PayPal's payment id when using server side integration"); } // Paypal expects promise with payment id (string) to be returned return _this.config.payment().toPromise() .then(function (paymentId) { return paymentId; }); } if (_this.config.integrationType === PayPalIntegrationType.ClientSideREST) { if (!_this.config.transactions || !Array.isArray(_this.config.transactions) || _this.config.transactions.length <= 0) { throw Error("You need to provide at least 1 transaction for client side integration"); } /** @type {?} */ var experienceConfig = _this.config.experience; return actions.payment.create({ payment: { // Allow user to specifify intent, else use default 'sale'. intent: _this.config.intent ? _this.config.intent : 'sale', transactions: _this.config.transactions }, experience: { input_fields: { no_shipping: (experienceConfig && experienceConfig.noShipping) ? 1 : 0 }, presentation: { brand_name: (experienceConfig && experienceConfig.brandName) ? experienceConfig.brandName : null, logo_image: (experienceConfig && experienceConfig.logoImage) ? experienceConfig.logoImage : null, locale_code: (experienceConfig && experienceConfig.localeCode) ? experienceConfig.localeCode : null } } }); } }, // onAuthorize() is called when the buyer approves the payment onAuthorize: function (data, actions) { if (_this.config.integrationType === PayPalIntegrationType.ServerSideREST) { // client needs to server to execute the payment if (!_this.config.onAuthorize) { throw Error("You need set up an execute method when using server side integration"); } // Paypal expects promise return _this.config.onAuthorize(data, actions).toPromise(); } if (_this.config.integrationType === PayPalIntegrationType.ClientSideREST) { // Make a call to the REST api to execute the payment return actions.payment.execute().then(function () { if (!_this.config.onPaymentComplete) { throw Error("You should provide some callback when payment is finished when using client side integration"); } _this.config.onPaymentComplete(data, actions); }); } }, onError: function (err) { if (_this.config.onError) { _this.config.onError(err); } }, onCancel: function (data, actions) { if (_this.config.onCancel) { _this.config.onCancel(data, actions); } }, onClick: function () { if (_this.config.onClick) { _this.config.onClick(); } }, validate: function (actions) { if (_this.config.validate) { _this.config.validate(actions); } } }, "#" + this.payPalButtonContainerId); }; /** * @return {?} */ NgxPaypalComponent.prototype.getClient = /** * @return {?} */ function () { if (this.config.integrationType === PayPalIntegrationType.ClientSideREST) { if (!this.config.client) { throw Error("You need to setup client information when using client side integration"); } return { production: this.config.client.production, sandbox: this.config.client.sandbox }; } return undefined; }; /** * @return {?} */ NgxPaypalComponent.prototype.getFunding = /** * @return {?} */ function () { var _this = this; // resolve funding to use paypal's properties if (!this.config.funding) { // no funding provided return undefined; } /** @type {?} */ var allowed = []; /** @type {?} */ var disallowed = []; if (this.config.funding.allowed) { this.config.funding.allowed.forEach(function (type) { allowed.push(_this.mapFundingType(type)); }); } if (this.config.funding.disallowed) { this.config.funding.disallowed.forEach(function (type) { disallowed.push(_this.mapFundingType(type)); }); } return { allowed: allowed, disallowed: disallowed }; }; /** * @param {?} type * @return {?} */ NgxPaypalComponent.prototype.mapFundingType = /** * @param {?} type * @return {?} */ function (type) { if (type === PayPalFunding.Card) { return paypal.FUNDING.CARD; } if (type === PayPalFunding.Credit) { return paypal.FUNDING.CREDIT; } if (type === PayPalFunding.Elv) { return paypal.FUNDING.ELV; } throw Error("Unsupported funding type '" + type + "'"); }; NgxPaypalComponent.decorators = [ { type: Component, args: [{ changeDetection: ChangeDetectionStrategy.OnPush, selector: 'ngx-paypal', template: "\n <div #payPalScriptElem></div>\n <div #payPalButtonContainerElem [id]=\"payPalButtonContainerId\"></div>\n " }] } ]; /** @nocollapse */ NgxPaypalComponent.ctorParameters = function () { return []; }; NgxPaypalComponent.propDecorators = { config: [{ type: Input }], useGlobalConfig: [{ type: Input }], paypalScriptElem: [{ type: ViewChild, args: ['payPalScriptElem',] }], payPalButtonContainerElem: [{ type: ViewChild, args: ['payPalButtonContainerElem',] }] }; return NgxPaypalComponent; }()); export { NgxPaypalComponent }; if (false) { /** * Configuration for paypal. * @type {?} */ NgxPaypalComponent.prototype.config; /** * Indicates if global configuration (provided via 'forRoot') is used * @type {?} */ NgxPaypalComponent.prototype.useGlobalConfig; /** * Container for paypal script * @type {?} */ NgxPaypalComponent.prototype.paypalScriptElem; /** * Used for indicating delayed rendered if container is not yet ready in DOM * @type {?} */ NgxPaypalComponent.prototype.registerPayPalScriptWhenContainerIsReady; /** * Holds current container element * @type {?} */ NgxPaypalComponent.prototype._payPalButtonContainerElem; /** * Polling interval if paypal script is pending * @type {?} */ NgxPaypalComponent.prototype.defaultPollInterval; /** * Polling will stop after polling reaches this number * @type {?} */ NgxPaypalComponent.prototype.maximumPollWaitTime; /** * Name of the global variable where paypal is stored * @type {?} */ NgxPaypalComponent.prototype.paypalWindowName; /** * Name of the global variable indicating that script was initiated (added to page) * @type {?} */ NgxPaypalComponent.prototype.paypalWindowScriptInitiated; /** * PayPal integration script url * @type {?} */ NgxPaypalComponent.prototype.paypalScriptUrl; /** * Id of the element where PayPal button will be rendered * @type {?} */ NgxPaypalComponent.prototype.payPalButtonContainerId; /** @type {?} */ NgxPaypalComponent.prototype.payPalButtonContainerIdPrefix; /** @type {?} */ NgxPaypalComponent.prototype.ngUnsubscribe; } //# 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{\n    AfterViewInit,\n    ChangeDetectionStrategy,\n    Component,\n    ElementRef,\n    Input,\n    OnChanges,\n    OnDestroy,\n    SimpleChanges,\n    ViewChild,\n} from '@angular/core';\nimport { interval, Subject } from 'rxjs';\nimport { map, takeUntil } from 'rxjs/operators';\n\nimport { PayPalFunding } from '../models/paypal-funding';\nimport { PayPalIntegrationType } from '../models/paypal-integration';\nimport { IPaypalClient, IPayPalPaymentCompleteData, PayPalConfig } from '../models/paypal-models';\n\n/**\n * Global variable where PayPal is loaded to\n */\ndeclare var paypal: any;\n\n@Component({\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    selector: 'ngx-paypal',\n    template: `\n    <div #payPalScriptElem></div>\n    <div #payPalButtonContainerElem [id]=\"payPalButtonContainerId\"></div>\n    `\n})\nexport class NgxPaypalComponent implements OnChanges, AfterViewInit, OnDestroy {\n\n    /**\n     * Configuration for paypal.\n     */\n    @Input() config: PayPalConfig;\n\n    /**\n     * Indicates if global configuration (provided via 'forRoot') is used\n     */\n    @Input() useGlobalConfig = false;\n\n    /**\n     * Container for paypal script\n     */\n    @ViewChild('payPalScriptElem') paypalScriptElem: ElementRef;\n\n    /**\n     * Used for indicating delayed rendered if container is not yet ready in DOM\n     */\n    private registerPayPalScriptWhenContainerIsReady = false;\n\n    /**\n     * Holds current container element\n     */\n    private _payPalButtonContainerElem?: ElementRef;\n    @ViewChild('payPalButtonContainerElem') set payPalButtonContainerElem(content: ElementRef) {\n        if (content) {\n            this._payPalButtonContainerElem = content;\n        }\n    }\n\n    /**\n     * Polling interval if paypal script is pending\n     */\n    private readonly defaultPollInterval = 50;\n\n    /**\n     * Polling will stop after polling reaches this number\n     */\n    private readonly maximumPollWaitTime = 5000;\n\n    /**\n    * Name of the global variable where paypal is stored\n    */\n    private readonly paypalWindowName = 'paypal';\n\n    /**\n     * Name of the global variable indicating that script was initiated (added to page)\n     */\n    private readonly paypalWindowScriptInitiated = 'ngx-paypal-script-initiated';\n\n    /**\n     * PayPal integration script url\n     */\n    private readonly paypalScriptUrl = 'https://www.paypalobjects.com/api/checkout.js';\n\n    /**\n     * Id of the element where PayPal button will be rendered\n     */\n    public payPalButtonContainerId?: string;\n\n    private readonly payPalButtonContainerIdPrefix = 'ngx-paypal-button-container-';\n\n    private readonly ngUnsubscribe: Subject<void> = new Subject<void>();\n\n    constructor(\n    ) {\n    }\n\n    ngOnChanges(changes: SimpleChanges): void {\n        // init when config once its available\n        if (this.config) {\n            this.initPayPal();\n        }\n    }\n\n    ngAfterViewInit(): void {\n        // register script if element is ready in dom\n        if (this.registerPayPalScriptWhenContainerIsReady && this._payPalButtonContainerElem) {\n            this.setupScript();\n            this.registerPayPalScriptWhenContainerIsReady = false;\n        }\n    }\n\n    ngOnDestroy(): void {\n        this.ngUnsubscribe.next();\n        this.ngUnsubscribe.complete();\n    }\n\n    private initPayPal(): void {\n        // set unique paypal container button id\n        this.payPalButtonContainerId = `${this.payPalButtonContainerIdPrefix}${this.getPseudoUniqueNumber()}`;\n        // check if paypal was already register and if so, don't add it to page again\n        if (!window[this.paypalWindowName]) {\n            // check if script is pending\n            if (window[this.paypalWindowScriptInitiated] === true) {\n                this.pollUntilScriptAvailable();\n            } else {\n                // register script and set global flag\n                window[this.paypalWindowScriptInitiated] = true;\n                this.addPayPalScriptToPage();\n            }\n\n        } else {\n            // just register payment\n            this.handleScriptRegistering();\n        }\n    }\n\n    private getPseudoUniqueNumber(): number {\n        return new Date().valueOf();\n    }\n\n    /**\n     * Used when there are multiple paypal components on the same page beacuse only 1 of them\n     * may register paypal script. The other has to be polling until paypal is available or component destroyed\n     */\n    private pollUntilScriptAvailable(): void {\n        const obs = interval(this.defaultPollInterval)\n            .pipe(\n                takeUntil(this.ngUnsubscribe),\n                map((x) => {\n                    if (x >= this.maximumPollWaitTime) {\n                        console.warn(`PayPal script was not loaded after '${this.maximumPollWaitTime}' maximum polling time.`);\n                        obs.unsubscribe();\n                        return;\n                    }\n\n                    // check if paypal script exists\n                    if (window[this.paypalWindowName]) {\n                        // register script\n                        this.handleScriptRegistering();\n\n                        // stop execution\n                        obs.unsubscribe();\n                    }\n                })\n            )\n            .subscribe();\n    }\n\n    private addPayPalScriptToPage(): void {\n        const script = document.createElement('script');\n        script.innerHTML = '';\n        script.src = this.paypalScriptUrl;\n        script.onload = () => this.handleScriptRegistering();\n        script.async = true;\n        script.defer = true;\n\n        this.paypalScriptElem.nativeElement.appendChild(script);\n    }\n\n    private handleScriptRegistering(): void {\n        // check if container with requested id exists\n        // this is here because dynamically switching between components would cause PayPal to\n        // throw an error if the container already existed before\n        if (this._payPalButtonContainerElem && this._payPalButtonContainerElem.nativeElement &&\n            this._payPalButtonContainerElem.nativeElement.id === this.payPalButtonContainerId) {\n            // container is ready, setup script right away\n            this.setupScript();\n        } else {\n            // container is not ready, delay registering until it is\n            this.registerPayPalScriptWhenContainerIsReady = true;\n        }\n    }\n\n    private setupScript(): void {\n        // first clear container\n        if (!this._payPalButtonContainerElem) {\n            throw Error(`Cannot setup script because paypal button container with id '${this.payPalButtonContainerId}' is not yet ready`);\n        }\n\n        this._payPalButtonContainerElem.nativeElement.innerHTML = '';\n\n        if (!window[this.paypalWindowName]) {\n            throw Error('PayPal script is not available');\n        }\n\n        // render PayPal button as per their docs at\n        // https://developer.paypal.com/docs/integration/direct/express-checkout/integration-jsv4/add-paypal-button/\n        window[this.paypalWindowName].Button.render({\n            // set environment\n            env: this.config.environment.toString(),\n\n            // Show the buyer a 'Pay Now' button in the checkout flow\n            commit: this.config.commit,\n\n            // init client for client side integration\n            client: this.getClient(),\n\n            // set button config if available\n            style: this.config.button,\n\n            // set funding if available\n            funding: this.getFunding(),\n\n            // payment() is called when the button is clicked\n            payment: (data, actions) => {\n                if (this.config.integrationType === PayPalIntegrationType.ServerSideREST) {\n                    // client needs to create payment on server side\n                    if (!this.config.payment) {\n                        throw Error(`You need set up a create payment method and return\n                            PayPal's payment id when using server side integration`);\n                    }\n\n                    // Paypal expects promise with payment id (string) to be returned\n                    return this.config.payment().toPromise()\n                        .then(paymentId => {\n                            return paymentId;\n                        });\n                }\n\n                if (this.config.integrationType === PayPalIntegrationType.ClientSideREST) {\n                    if (!this.config.transactions || !Array.isArray(this.config.transactions) || this.config.transactions.length <= 0) {\n                        throw Error(`You need to provide at least 1 transaction for client side integration`);\n                    }\n\n                    const experienceConfig = this.config.experience;\n                    return actions.payment.create({\n                        payment: {\n                            // Allow user to specifify intent, else use default 'sale'.\n                            intent: this.config.intent ? this.config.intent : 'sale',\n                            transactions: this.config.transactions\n                        },\n                        experience: {\n                            input_fields: {\n                                no_shipping: (experienceConfig && experienceConfig.noShipping) ? 1 : 0\n                            },\n                            presentation: {\n                                brand_name: (experienceConfig && experienceConfig.brandName) ? experienceConfig.brandName : null,\n                                logo_image: (experienceConfig && experienceConfig.logoImage) ? experienceConfig.logoImage : null,\n                                locale_code: (experienceConfig && experienceConfig.localeCode) ? experienceConfig.localeCode : null\n                            }\n                        }\n                    });\n                }\n            },\n\n            // onAuthorize() is called when the buyer approves the payment\n            onAuthorize: (data: IPayPalPaymentCompleteData, actions: any) => {\n                if (this.config.integrationType === PayPalIntegrationType.ServerSideREST) {\n                    // client needs to server to execute the payment\n                    if (!this.config.onAuthorize) {\n                        throw Error(`You need set up an execute method when using server side integration`);\n                    }\n\n                    // Paypal expects promise\n                    return this.config.onAuthorize(data, actions).toPromise();\n                }\n\n                if (this.config.integrationType === PayPalIntegrationType.ClientSideREST) {\n                    // Make a call to the REST api to execute the payment\n                    return actions.payment.execute().then(() => {\n                        if (!this.config.onPaymentComplete) {\n                            throw Error(`You should provide some callback when payment is finished when using client side integration`);\n                        }\n                        this.config.onPaymentComplete(data, actions);\n                    });\n                }\n            },\n\n            onError: (err) => {\n                if (this.config.onError) {\n                    this.config.onError(err);\n                }\n            },\n\n            onCancel: (data, actions) => {\n                if (this.config.onCancel) {\n                    this.config.onCancel(data, actions);\n                }\n            },\n            onClick: () => {\n                if (this.config.onClick) {\n                    this.config.onClick();\n                }\n            },\n            validate: (actions) => {\n                if (this.config.validate) {\n                    this.config.validate(actions);\n                }\n            }\n        }, `#${this.payPalButtonContainerId}`);\n    }\n\n    private getClient(): IPaypalClient | undefined {\n        if (this.config.integrationType === PayPalIntegrationType.ClientSideREST) {\n            if (!this.config.client) {\n                throw Error(`You need to setup client information when using client side integration`);\n            }\n\n            return {\n                production: this.config.client.production,\n                sandbox: this.config.client.sandbox\n            };\n        }\n\n        return undefined;\n    }\n\n    private getFunding(): {\n        allowed: any[],\n        disallowed: any[]\n    } | undefined {\n        // resolve funding to use paypal's properties\n        if (!this.config.funding) {\n            // no funding provided\n            return undefined;\n        }\n\n        const allowed: any[] = [];\n        const disallowed: any[] = [];\n\n        if (this.config.funding.allowed) {\n            this.config.funding.allowed.forEach(type => {\n                allowed.push(this.mapFundingType(type));\n            });\n        }\n\n        if (this.config.funding.disallowed) {\n            this.config.funding.disallowed.forEach(type => {\n                disallowed.push(this.mapFundingType(type));\n            });\n        }\n\n        return {\n            allowed: allowed,\n            disallowed: disallowed\n        };\n    }\n\n    private mapFundingType(type: PayPalFunding): any {\n        if (type === PayPalFunding.Card) {\n            return paypal.FUNDING.CARD;\n        }\n        if (type === PayPalFunding.Credit) {\n            return paypal.FUNDING.CREDIT;\n        }\n        if (type === PayPalFunding.Elv) {\n            return paypal.FUNDING.ELV;\n        }\n        throw Error(`Unsupported funding type '${type}'`);\n    }\n}\n\n"]}