lakutata/src/lib/helpers/Templating.mjs

An IoC-based universal application framework.

const e = e => e.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/'/g, "&#39;").replace(/</g, "&lt;").replace(/>/g, "&gt;");

function r(r, ...t) {
    if (typeof r === "string") {
        return e(r);
    }
    let n = r[0];
    for (const [o, i] of t.entries()) {
        n = n + e(String(i)) + r[o + 1];
    }
    return n;
}

class MissingValueError extends Error {
    constructor(e) {
        super(`Missing a value for ${e ? `the placeholder: ${e}` : "a placeholder"}`);
        this.name = "MissingValueError";
        this.key = e;
    }
}

function t(e, t, {ignoreMissing: n = false, transform: o = ({value: e}) => e} = {}) {
    if (typeof e !== "string") {
        throw new TypeError(`Expected a \`string\` in the first argument, got \`${typeof e}\``);
    }
    if (typeof t !== "object") {
        throw new TypeError(`Expected an \`object\` or \`Array\` in the second argument, got \`${typeof t}\``);
    }
    const i = (e, r) => {
        let i = t;
        for (const e of r.split(".")) {
            i = i ? i[e] : undefined;
        }
        const s = o({
            value: i,
            key: r
        });
        if (s === undefined) {
            if (n) {
                return e;
            }
            throw new MissingValueError(r);
        }
        return String(s);
    };
    const s = e => (...t) => r(e(...t));
    const a = /{{(\d+|[a-z$_][\w\-$]*?(?:\.[\w\-$]*?)*?)}}/gi;
    if (a.test(e)) {
        e = e.replace(a, s(i));
    }
    const c = /{(\d+|[a-z$_][\w\-$]*?(?:\.[\w\-$]*?)*?)}/gi;
    return e.replace(c, i);
}

export { MissingValueError, t as Templating };