component.jsx

/* @flow */
/** @jsx node */
/* eslint max-lines: 0 */

import {
  getLogger,
  getLocale,
  getClientID,
  getEnv,
  getIntent,
  getCommit,
  getVault,
  getDisableFunding,
  getDisableCard,
  getMerchantID,
  getPayPalDomainRegex,
  getCurrency,
  getSDKMeta,
  getCSPNonce,
  getBuyerCountry,
  getClientAccessToken,
  getPlatform,
  getPartnerAttributionID,
  getCorrelationID,
  getEnableThreeDomainSecure,
  getDebug,
  getComponents,
  getStageHost,
  getAPIStageHost,
  getPayPalDomain,
  getUserIDToken,
  getClientMetadataID,
  getAmount,
  getEnableFunding,
  getStorageID,
  getUserExperienceFlow,
  getMerchantRequestedPopupsDisabled,
  getVersion,
  getDisableSetCookie,
  getExperimentation,
  getSDKAttribute,
  getSDKIntegrationSource,
} from "@paypal/sdk-client/src";
import {
  rememberFunding,
  getRememberedFunding,
  getRefinedFundingEligibility,
} from "@paypal/funding-components/src";
import { ZalgoPromise } from "@krakenjs/zalgo-promise/src";
import { create, EVENT, type ZoidComponent } from "@krakenjs/zoid/src";
import {
  uniqueID,
  memoize,
  isApplePaySupported,
  supportsPopups as userAgentSupportsPopups,
  noop,
  isLocalStorageEnabled,
} from "@krakenjs/belter/src";
import {
  FUNDING,
  FUNDING_BRAND_LABEL,
  QUERY_BOOL,
  ENV,
  FPTI_KEY,
  SDK_SETTINGS,
} from "@paypal/sdk-constants/src";
import { node, dom } from "@krakenjs/jsx-pragmatic/src";

import {
  getSessionID,
  storageState,
  sessionState,
  logLatencyInstrumentationPhase,
  prepareInstrumentationPayload,
} from "../../lib";
import {
  normalizeButtonStyle,
  normalizeButtonMessage,
  type ButtonProps,
} from "../../ui/buttons/props";
import { isFundingEligible } from "../../funding";

import { containerTemplate } from "./container";
import { PrerenderedButtons } from "./prerender";
import {
  applePaySession,
  determineFlow,
  isSupportedNativeBrowser,
  createVenmoExperiment,
  getRenderedButtons,
  getButtonSize,
  getButtonExperiments,
  getModal,
} from "./util";

export type ButtonsComponent = ZoidComponent<ButtonProps>;

export const getButtonsComponent: () => ButtonsComponent = memoize(() => {
  const queriedEligibleFunding = [];
  return create({
    tag: "paypal-buttons",
    url: () => `${getPayPalDomain()}${__PAYPAL_CHECKOUT__.__URI__.__BUTTONS__}`,

    domain: getPayPalDomainRegex(),

    autoResize: {
      width: false,
      height: true,
    },

    containerTemplate,

    // 2023-08-23 Shane Brunson
    // I don't think Zoid uses this logger prop and I don't think we the SDK
    // use it anywhere either. I'm trying to fix the main branch from building
    // though and removing all these logger calls is more of risky change than
    // I'm willing to make right now though.
    // $FlowIssue mismatch between beaver-logger and zoid logger types
    logger: getLogger(),

    prerenderTemplate: ({ state, props, doc, event }) => {
      const { buttonSessionID } = props;

      if (!isLocalStorageEnabled()) {
        getLogger()
          .info("localstorage_inaccessible_possible_private_browsing")
          .track({
            [FPTI_KEY.BUTTON_SESSION_UID]: buttonSessionID,
            [FPTI_KEY.CONTEXT_TYPE]: "button_session_id",
            [FPTI_KEY.CONTEXT_ID]: buttonSessionID,
            [FPTI_KEY.TRANSITION]:
              "localstorage_inaccessible_possible_private_browsing",
          });
      }

      event.on(EVENT.PRERENDERED, () => {
        // CPL stands for Consumer Perceived Latency
        logLatencyInstrumentationPhase({
          buttonSessionID,
          phase: "buttons-first-render-end",
        });
        try {
          const cplPhases = prepareInstrumentationPayload(buttonSessionID);
          const cplLatencyMetrics = {
            [FPTI_KEY.STATE]: "CPL_LATENCY_METRICS",
            [FPTI_KEY.TRANSITION]: "process_client_metrics",
            [FPTI_KEY.CONTEXT_ID]: buttonSessionID,
            [FPTI_KEY.PAGE]: "main:xo:paypal-components:smart-payment-buttons",
            [FPTI_KEY.CPL_COMP_METRICS]: JSON.stringify(cplPhases?.comp || {}),
          };
          getLogger()
            .info("CPL_LATENCY_METRICS_FIRST_RENDER")
            .track(cplLatencyMetrics);
        } catch (err) {
          getLogger()
            .info("button_render_CPL_instrumentation_log_error")
            .track({
              err: err.message || "CPL_LOG_PHASE_ERROR",
              details: err.details,
              stack: JSON.stringify(err.stack || err),
            });
        }
      });

      return (
        <PrerenderedButtons
          nonce={props.nonce}
          props={props}
          onRenderCheckout={({ win, fundingSource, card, hostedButtonId }) => {
            state.prerenderDetails = {
              win,
              fundingSource,
              card,
              hostedButtonId,
            };
          }}
        />
      ).render(dom({ doc }));
    },

    attributes: {
      iframe: {
        allowpaymentrequest: "allowpaymentrequest",
        scrolling: "no",
        title: FUNDING_BRAND_LABEL.PAYPAL,
      },
    },

    eligible: ({ props }) => {
      const {
        fundingSource,
        onShippingChange,
        onShippingAddressChange,
        onShippingOptionsChange,
        style = {},
        enableFunding = getEnableFunding(),
        fundingEligibility = getRefinedFundingEligibility(),
        supportsPopups = userAgentSupportsPopups(),
        supportedNativeBrowser = isSupportedNativeBrowser(),
        experiment = getButtonExperiments(),
        createBillingAgreement,
        createSubscription,
        createVaultSetupToken,
      } = props;

      const flow = determineFlow({
        createBillingAgreement,
        createSubscription,
        createVaultSetupToken,
      });
      const applePaySupport = fundingEligibility?.applepay?.eligible
        ? isApplePaySupported()
        : false;

      if (!fundingSource) {
        return {
          eligible: true,
        };
      }

      if (queriedEligibleFunding.indexOf(fundingSource) === -1) {
        queriedEligibleFunding.push(fundingSource);
      }

      const { layout } = style;

      const platform = getPlatform();
      const components = getComponents();

      if (
        isFundingEligible(fundingSource, {
          layout,
          platform,
          fundingSource,
          fundingEligibility,
          enableFunding,
          components,
          onShippingChange,
          onShippingAddressChange,
          onShippingOptionsChange,
          flow,
          applePaySupport,
          supportsPopups,
          supportedNativeBrowser,
          experiment,
        })
      ) {
        return {
          eligible: true,
        };
      }

      return {
        eligible: false,
        reason: `${fundingSource} is not eligible`,
      };
    },

    props: {
      // allowBillingPayments prop is used by Honey Extension to render the one-click button
      // with payment methods & to use the payment methods instead of the Billing Agreement
      allowBillingPayments: {
        type: "boolean",
        queryParam: true,
        required: false,
        default: () => true,
      },

      amount: {
        type: "string",
        required: false,
        queryParam: true,
        value: getAmount,
      },

      apiStageHost: {
        type: "string",
        value: getAPIStageHost,
        required: false,
      },

      applePay: {
        type: "function",
        required: false,
        value: applePaySession,
      },

      applePaySupport: {
        type: "boolean",
        value: ({ props }) => {
          return props?.fundingEligibility?.applepay?.eligible
            ? isApplePaySupported()
            : false;
        },
        queryParam: true,
      },

      branded: {
        type: "boolean",
        queryParam: true,
        required: false,
      },

      buttonLocation: {
        type: "string",
        value: () => window.location.hostname,
        queryParam: false,
      },

      buttonSessionID: {
        type: "string",
        value: uniqueID,
        queryParam: true,
      },

      buttonSize: {
        type: "string",
        required: false,
        value: ({ props, container }) => {
          return getButtonSize(props, container);
        },
        queryParam: true,
      },

      buyerCountry: {
        type: "string",
        queryParam: true,
        required: false,
        value: getBuyerCountry,
      },

      clientAccessToken: {
        type: "string",
        required: false,
        queryParam: true,
        value: getClientAccessToken,
      },

      clientID: {
        type: "string",
        value: getClientID,
        queryParam: true,
      },

      clientMetadataID: {
        type: "string",
        required: false,
        default: () => {
          const clientMetadataId = getClientMetadataID();
          const sessionID = getSessionID();

          return clientMetadataId || sessionID;
        },
        queryParam: true,
      },

      commit: {
        type: "boolean",
        queryParam: true,
        value: getCommit,
      },

      components: {
        type: "array",
        queryParam: true,
        value: getComponents,
      },

      createBillingAgreement: {
        type: "function",
        required: false,
      },

      createOrder: {
        type: "function",
        required: false,
      },

      createSubscription: {
        type: "function",
        required: false,
      },

      createVaultSetupToken: {
        type: "function",
        required: false,
      },

      csp: {
        type: "object",
        required: false,
        value: () => {
          return {
            nonce: getCSPNonce(),
          };
        },
      },

      currency: {
        type: "string",
        queryParam: true,
        value: getCurrency,
      },

      debug: {
        type: "boolean",
        value: getDebug,
        queryParam: true,
      },

      disableCard: {
        type: "array",
        queryParam: true,
        value: getDisableCard,
      },

      disableFunding: {
        type: "array",
        queryParam: true,
        value: getDisableFunding,
      },

      disableSetCookie: {
        type: "boolean",
        queryParam: true,
        required: false,
        value: getDisableSetCookie,
      },

      displayOnly: {
        type: "array",
        queryParam: true,
        required: false,
        value: ({ props }) => {
          return props?.displayOnly || [];
        },
      },

      enableFunding: {
        type: "array",
        queryParam: true,
        value: getEnableFunding,
      },

      enableThreeDomainSecure: {
        type: "boolean",
        value: getEnableThreeDomainSecure,
      },

      enableVault: {
        type: "boolean",
        required: false,
        queryParam: true,
      },

      env: {
        type: "string",
        queryParam: true,
        value: getEnv,
      },

      experiment: {
        type: "object",
        queryParam: true,
        value: () => {
          const experiments = getButtonExperiments();
          return experiments;
        },
      },

      experimentation: {
        type: "object",
        queryParam: true,
        required: false,
        value: getExperimentation,
      },

      flow: {
        type: "string",
        queryParam: true,
        value: ({ props }) => {
          const {
            createBillingAgreement,
            createSubscription,
            createVaultSetupToken,
          } = props;
          return determineFlow({
            createBillingAgreement,
            createSubscription,
            createVaultSetupToken,
          });
        },
      },

      fundingEligibility: {
        type: "object",
        default: getRefinedFundingEligibility,
        value: __ENV__ === ENV.LOCAL ? undefined : getRefinedFundingEligibility,
        queryParam: true,
        serialization: "base64",
      },

      fundingSource: {
        type: "string",
        queryParam: true,
        required: false,

        validate: ({ props }) => {
          const {
            fundingSource,
            onShippingChange,
            onShippingAddressChange,
            onShippingOptionsChange,
            style = {},
            fundingEligibility = getRefinedFundingEligibility(),
            enableFunding = getEnableFunding(),
            applePaySupport,
            supportsPopups,
            supportedNativeBrowser,
            createBillingAgreement,
            createSubscription,
            createVaultSetupToken,
          } = props;

          const flow = determineFlow({
            createBillingAgreement,
            createSubscription,
            createVaultSetupToken,
          });
          const { layout } = style;

          const platform = getPlatform();
          const components = getComponents();

          if (
            fundingSource &&
            !isFundingEligible(fundingSource, {
              layout,
              platform,
              fundingSource,
              fundingEligibility,
              enableFunding,
              components,
              onShippingChange,
              onShippingAddressChange,
              onShippingOptionsChange,
              flow,
              applePaySupport,
              supportsPopups,
              supportedNativeBrowser,
            })
          ) {
            throw new Error(`${fundingSource} is not eligible`);
          }
        },
      },

      getPageUrl: {
        type: "function",
        value: () => {
          return () => window.location.href;
        },
      },

      getPopupBridge: {
        type: "function",
        required: false,
        value: () => {
          return () => {
            if (!window.popupBridge) {
              return;
            }

            return {
              nativeUrl: window.popupBridge.getReturnUrlPrefix(),
              start: (url) => {
                return new ZalgoPromise((resolve, reject) => {
                  window.popupBridge.onComplete = (err, result) => {
                    const queryItems =
                      result && result.queryItems ? result.queryItems : {};
                    return err ? reject(err) : resolve(queryItems);
                  };
                  window.popupBridge.open(url);
                });
              },
            };
          };
        },
      },

      getPrerenderDetails: {
        type: "function",
        value:
          ({ state }) =>
          () =>
            state.prerenderDetails,
      },

      getQueriedEligibleFunding: {
        type: "function",
        value: () => {
          return () => queriedEligibleFunding;
        },
      },

      hostedButtonId: {
        type: "string",
        required: false,
        queryParam: true,
      },

      intent: {
        type: "string",
        queryParam: true,
        value: getIntent,
      },

      locale: {
        type: "object",
        queryParam: true,
        value: getLocale,
      },

      merchantID: {
        type: "array",
        queryParam: true,
        value: getMerchantID,
      },

      merchantRequestedPopupsDisabled: {
        type: "boolean",
        required: false,
        value: getMerchantRequestedPopupsDisabled,
      },

      nonce: {
        type: "string",
        default: getCSPNonce,
      },

      onApprove: {
        type: "function",
        required: false,
      },

      onCancel: {
        type: "function",
        required: false,
      },

      onClick: {
        type: "function",
        required: false,
      },

      onComplete: {
        type: "function",
        required: false,
      },

      onInit: {
        type: "function",
        required: false,
        default: () => noop,
        decorate: ({ props, value = noop }) => {
          logLatencyInstrumentationPhase({
            buttonSessionID: props.buttonSessionID,
            phase: "buttons-first-render",
          });

          return (...args) => {
            const venmoExperiment = createVenmoExperiment();

            if (venmoExperiment) {
              venmoExperiment.logStart({
                [FPTI_KEY.BUTTON_SESSION_UID]: props.buttonSessionID,
              });
            }

            return value(...args);
          };
        },
      },

      onMessageHover: {
        type: "function",
        required: false,
        value: ({ props, state }) => {
          return async ({ offerType }) => {
            if (!window.paypal.MessagesModal.show && !state.isModalFetching) {
              state.isModalFetching = true;
              await getModal();
              state.isModalFetching = false;

              if (state.isAwaitingShow === true) {
                const { message, clientID, merchantID } = props;
                const amount = message?.amount;

                window.paypal
                  .MessagesModal({
                    onReady: ({ show }) => {
                      show({
                        amount,
                        offer: offerType,
                        account: clientID,
                        merchantId: merchantID,
                      });
                    },
                  })
                  .render("body");

                state.isAwaitingShow = false;
              }
            }
          };
        },
      },

      onMessageClick: {
        type: "function",
        required: false,
        value: ({ props, state }) => {
          return async ({ offerType, messageType }) => {
            if (window.paypal.MessagesModal) {
              const { message, clientID, merchantID, buttonSessionID } = props;
              const amount = message?.amount || undefined;

              window.paypal
                .MessagesModal({
                  onReady: ({ show }) => {
                    show({
                      amount,
                      offer: offerType,
                      account: clientID,
                      merchantId: merchantID,
                    });
                  },
                })
                .render("body");

              getLogger()
                .info("button_message_clicked")
                .track({
                  [FPTI_KEY.MESSAGE_TYPE]: messageType,
                  [FPTI_KEY.MESSAGE_STYLE_POSITION]: message.position,
                  [FPTI_KEY.MESSAGE_STYLE_TEXT_ALIGN]: message.align,
                  [FPTI_KEY.MESSAGE_STYLE_COLOR]: message.color,
                  [FPTI_KEY.MESSAGE_OFFER]: offerType,
                  [FPTI_KEY.AMOUNT]: amount,
                  [FPTI_KEY.BUTTON_MESSAGE_ID]: buttonSessionID,
                });
            } else if (!state.isModalFetching) {
              state.isModalFetching = true;
              await getModal();
              state.isModalFetching = false;
            } else {
              state.isAwaitingShow = true;
            }
          };
        },
      },

      onShippingAddressChange: {
        type: "function",
        required: false,
      },

      onShippingChange: {
        type: "function",
        required: false,
        queryParam: true,
        queryValue: ({ value }) => {
          return value ? QUERY_BOOL.TRUE : QUERY_BOOL.FALSE;
        },
      },

      onShippingOptionsChange: {
        type: "function",
        required: false,
      },

      pageType: {
        type: "string",
        required: false,
        queryParam: true,
        value: () => getSDKAttribute(SDK_SETTINGS.PAGE_TYPE),
      },

      partnerAttributionID: {
        type: "string",
        required: false,
        value: getPartnerAttributionID,
      },

      paymentMethodNonce: {
        type: "string",
        queryParam: true,
        required: false,
      },

      paymentMethodToken: {
        type: "string",
        queryParam: true,
        required: false,
      },

      paymentRequest: {
        type: "object",
        queryParam: false,
        required: false,
      },

      platform: {
        type: "string",
        queryParam: true,
        value: getPlatform,
      },

      referrerDomain: {
        type: "string",
        required: false,
        value: () => {
          if (window.document.referrer) {
            return new URL(window.document.referrer).host || undefined;
          }
        },
      },

      remember: {
        type: "function",
        value: () => {
          return (fundingSources: $ReadOnlyArray<$Values<typeof FUNDING>>) =>
            rememberFunding(fundingSources, { cookie: false });
        },
      },

      remembered: {
        type: "array",
        queryParam: true,
        value: getRememberedFunding,
      },

      renderedButtons: {
        type: "array",
        queryParam: true,
        value: ({ props }) => getRenderedButtons(props),
      },

      sessionID: {
        type: "string",
        value: getSessionID,
        queryParam: true,
      },

      sdkCorrelationID: {
        type: "string",
        required: false,
        value: getCorrelationID,
        queryParam: true,
      },

      sdkIntegrationSource: {
        type: "string",
        queryParam: true,
        required: false,
        value: getSDKIntegrationSource,
      },

      sdkMeta: {
        type: "string",
        queryParam: true,
        sendToChild: false,
        value: getSDKMeta,
      },

      /**
       * Version of the SDK used in first render.
       * This is passed to the `/smart/buttons` endpoint in order for the second render
       * to be aware of what sdk version to load during SSR of the buttons
       */
      sdkVersion: {
        type: "string",
        queryParam: true,
        sendToChild: false,
        value: getVersion,
      },

      sessionState: {
        type: "object",
        value: () => sessionState,
      },

      stageHost: {
        type: "string",
        value: getStageHost,
        required: false,
      },

      storageID: {
        type: "string",
        value: getStorageID,
        queryParam: true,
      },

      storageState: {
        type: "object",
        value: () => storageState,
      },

      style: {
        type: "object",
        queryParam: true,
        required: false,
        decorate: ({ props, value }) => {
          // $FlowFixMe
          return normalizeButtonStyle(props, value);
        },

        validate: ({ props, value = {} }) => {
          // $FlowFixMe
          normalizeButtonStyle(props, value);
        },

        default: () => ({}),
      },

      supportedNativeBrowser: {
        type: "boolean",
        value: isSupportedNativeBrowser,
        queryParam: true,
      },

      supportsPopups: {
        type: "boolean",
        value: () => userAgentSupportsPopups(),
        queryParam: true,
      },

      test: {
        type: "object",
        default(): Object {
          return {
            action: "checkout",
          };
        },
      },

      userExperienceFlow: {
        type: "string",
        required: false,
        value: getUserExperienceFlow,
      },

      userIDToken: {
        type: "string",
        default: getUserIDToken,
        required: false,
        queryParam: getEnv() !== ENV.LOCAL && getEnv() !== ENV.STAGE,
        bodyParam: getEnv() === ENV.LOCAL || getEnv() === ENV.STAGE,
      },

      vault: {
        type: "boolean",
        queryParam: true,
        value: getVault,
      },

      wallet: {
        type: "object",
        required: false,
        default: () => window.__TEST_WALLET__,
      },

      message: {
        type: "object",
        queryParam: true,
        required: false,
        decorate: ({ props, value }) => {
          // $FlowFixMe
          return normalizeButtonMessage(props, value);
        },
      },
    },
  });
});