paypal-checkout/src/lib/meta.js

PayPal Checkout components, for integrating checkout products.

/* @flow */

import { ZalgoPromise } from 'zalgo-promise/src';
import { once, bridge } from 'post-robot/src';
import { isIEIntranet } from 'belter/src';

import { config } from '../config';

import { memoize } from './util';
import { getScriptVersion } from './script';
import { extendUrl } from './dom';

type FrameMetaData = {|
    iframeEligible : boolean,
    iframeEligibleReason : string,
    // eslint-disable-next-line flowtype/no-mutable-array
    rememberedFunding : Array<string>
|};

export const openMetaFrame = memoize((env : string = config.env) : ZalgoPromise<FrameMetaData> => {
    return ZalgoPromise.try(() => {

        if (isIEIntranet()) {
            return {
                iframeEligible:       false,
                iframeEligibleReason: 'ie_intranet',
                rememberedFunding:    []
            };
        }

        const metaFrameUrl : string = config.metaFrameUrls[env];
        const metaFrameDomain : string = config.paypalDomains[env];

        return ZalgoPromise.try(() => {
            if (!bridge) {
                throw new Error(`Opening meta window without bridge support is not currently supported`);
            }

            const metaListener = once('meta', { domain: metaFrameDomain });

            return bridge.openBridge(extendUrl(metaFrameUrl, { version: getScriptVersion() }), metaFrameDomain)
                .then(() => metaListener)
                .then(({ data }) => data);
        });
    });
});