@ideal-postcodes/address-finder/dist/watch.js

Address Finder JS library backed by the Ideal Postcodes UK address search API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.watch = void 0;
const core_axios_1 = require("@ideal-postcodes/core-axios");
const controller_1 = require("./controller");
const contexts_1 = require("./contexts");
const jsutil_1 = require("@ideal-postcodes/jsutil");
const setup_1 = require("./setup");
const isTrue = () => true;
const getAnchors = (config, marker) => {
    const scope = (0, jsutil_1.getScope)(config.scope || null);
    const matches = scope.querySelectorAll(config.anchor ||
        config.inputField ||
        (config.outputFields || {}).line_1);
    return (0, jsutil_1.toArray)(matches).filter((e) => !(0, jsutil_1.loaded)(e, marker));
};
const DEFAULT_INTERVAL = 1000;
const formScope = (anchor) => (0, jsutil_1.getParent)(anchor, "FORM");
/**
 * Dynamically apply AddressFinder when relevant fields appear
 * - Exits if page test is fails
 * - Check if key usable
 * - Creates a bind method
 *  - Retrives parent scope
 *  - Marks anchor if completed
 * - Creates timer tools
 */
const watch = (config, options = {}) => {
    const client = new core_axios_1.Client({ ...controller_1.defaults, ...config, api_key: config.apiKey });
    const { pageTest = isTrue } = options;
    if (!pageTest())
        return Promise.resolve(null);
    return (0, core_axios_1.checkKeyUsability)({ client })
        .then((key) => {
        if (!key.available)
            return null;
        const { getScope = formScope, interval = DEFAULT_INTERVAL, anchor, onBind = controller_1.NOOP, onAnchorFound = controller_1.NOOP, onBindAttempt = controller_1.NOOP, immediate = true, marker = "idpc", } = options;
        const bind = () => {
            onBindAttempt({ config, options });
            getAnchors({ anchor, ...config }, marker).forEach((anchor) => {
                const scope = getScope(anchor);
                if (!scope)
                    return;
                const contexts = (0, contexts_1.toContextMap)(key.contexts);
                const newConfig = { scope, ...config, checkKey: false, contexts };
                onAnchorFound({ anchor, scope, config: newConfig });
                const c = (0, setup_1.setup)(newConfig);
                const details = c.options.contexts[key.context];
                if (c.options.detectCountry && details) {
                    c.applyContext(details, false);
                }
                else {
                    c.applyContext(c.currentContext(), false);
                }
                (0, jsutil_1.markLoaded)(anchor, marker);
                onBind(c);
            });
        };
        const { start, stop } = (0, jsutil_1.generateTimer)({ bind, pageTest, interval });
        if (immediate)
            start();
        return { start, stop, bind };
    })
        .catch((e) => {
        // Swallow promise errors and raise via optionall onError callback
        if (options.onError)
            options.onError(e);
        return null;
    });
};
exports.watch = watch;