@ideal-postcodes/jsutil/esm/util.js

Browser Address Autocomplete for api.ideal-postcodes.co.uk

import { toHtmlElem, getAnchors, getParent } from "./dom";
export const getTargets = (parent, selectors) => {
    const line_1 = toHtmlElem(parent, selectors.line_1);
    if (line_1 === null)
        return null;
    const post_town = toHtmlElem(parent, selectors.post_town);
    if (post_town === null)
        return null;
    const postcode = parent.querySelector(selectors.postcode);
    if (postcode === null)
        return null;
    const line_2 = toHtmlElem(parent, selectors.line_2);
    const line_3 = toHtmlElem(parent, selectors.line_3);
    const country = toHtmlElem(parent, selectors.country);
    const county = toHtmlElem(parent, selectors.county);
    const organisation = toHtmlElem(parent, selectors.organisation);
    return {
        line_1,
        line_2,
        line_3,
        post_town,
        county,
        postcode,
        organisation,
        country,
    };
};
export const relevantPage = (bindings) => bindings.some((b) => b.pageTest());
export const defaults = {
    enabled: true,
    apiKey: "",
    populateCounty: false,
    autocomplete: true,
    autocompleteOverride: {},
    postcodeLookup: true,
    postcodeLookupOverride: {},
};
export const config = () => {
    const c = window.idpcConfig;
    if (c === undefined)
        return;
    return { ...defaults, ...c };
};
export const generateTimer = ({ pageTest, bind, interval = 1000, }) => {
    let timer = null;
    const start = (config) => {
        if (!pageTest())
            return null;
        timer = window.setInterval(() => {
            try {
                bind(config);
            }
            catch (e) {
                stop();
                console.log(e);
            }
        }, interval);
        return timer;
    };
    const stop = () => {
        if (timer === null)
            return;
        window.clearInterval(timer);
        timer = null;
    };
    return { start, stop };
};
const NOOP = () => { };
export const setup = ({ bindings, callback = NOOP }) => {
    const c = config();
    if (c === undefined)
        return callback();
    if (!relevantPage(bindings))
        return callback();
    const result = bindings.reduce((prev, binding) => {
        const { pageTest, bind } = binding;
        if (!pageTest())
            return prev;
        const { start, stop } = generateTimer({ pageTest, bind });
        start(c);
        prev.push({ binding, start, stop });
        return prev;
    }, []);
    return callback(result);
};
const DEFAULT_SCOPE = "form";
const DEFAULT_ANCHOR = "line_1";
export const setupBind = ({ selectors, anchorSelector, parentScope, doc, parentTest, }) => {
    const anchors = getAnchors(anchorSelector || selectors[DEFAULT_ANCHOR], doc);
    return anchors.reduce((prev, anchor) => {
        const parent = getParent(anchor, parentScope || DEFAULT_SCOPE, parentTest);
        if (!parent)
            return prev;
        const targets = getTargets(parent, selectors);
        if (targets === null)
            return prev;
        prev.push({ targets, parent, anchor });
        return prev;
    }, []);
};
export const toId = (elem) => `#${elem.id}`;
export const cssEscape = (value) => {
    value = String(value);
    const length = value.length;
    let index = -1;
    let codeUnit;
    let result = "";
    const firstCodeUnit = value.charCodeAt(0);
    while (++index < length) {
        codeUnit = value.charCodeAt(index);
        if (codeUnit == 0x0000) {
            result += "\uFFFD";
            continue;
        }
        if ((codeUnit >= 0x0001 && codeUnit <= 0x001f) ||
            codeUnit == 0x007f ||
            (index == 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
            (index == 1 &&
                codeUnit >= 0x0030 &&
                codeUnit <= 0x0039 &&
                firstCodeUnit == 0x002d)) {
            result += "\\" + codeUnit.toString(16) + " ";
            continue;
        }
        if (index == 0 && length == 1 && codeUnit == 0x002d) {
            result += "\\" + value.charAt(index);
            continue;
        }
        if (codeUnit >= 0x0080 ||
            codeUnit == 0x002d ||
            codeUnit == 0x005f ||
            (codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
            (codeUnit >= 0x0041 && codeUnit <= 0x005a) ||
            (codeUnit >= 0x0061 && codeUnit <= 0x007a)) {
            result += value.charAt(index);
            continue;
        }
        result += "\\" + value.charAt(index);
    }
    return result;
};