179 lines
7.7 KiB
TypeScript
179 lines
7.7 KiB
TypeScript
/**
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* Client-side validation. `renderSchemasScript` bakes the discovered schema
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* descriptors into `window.__wireSchemas`; `VALIDATE_RUNTIME` is a generic,
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* eval-free validator that reads them and validates every `form[data-schema]`
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* on submit and blur, writing messages into `[data-error="<field>"]` elements.
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* The rule logic mirrors `checkField`/`applyRule` in index.ts.
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*/
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import type { SchemaDescriptor } from "./index.ts";
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/** `window.__wireSchemas = { name: descriptor, ... }` for the client validator. */
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export function renderSchemasScript(descriptors: Record<string, SchemaDescriptor>): string {
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return `window.__wireSchemas=${JSON.stringify(descriptors)};`;
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}
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export const VALIDATE_RUNTIME = String.raw`
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(function () {
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var EMAIL = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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var URL_RE = /^https?:\/\/[^\s/$.?#][^\s]*$/i;
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var UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
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function applyRule(type, r, value) {
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if (r.kind === "min") {
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if (type === "string") return String(value).length < r.n ? (r.message || ("Must be at least " + r.n + " characters")) : null;
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return value < r.n ? (r.message || ("Must be at least " + r.n)) : null;
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}
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if (r.kind === "max") {
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if (type === "string") return String(value).length > r.n ? (r.message || ("Must be at most " + r.n + " characters")) : null;
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return value > r.n ? (r.message || ("Must be at most " + r.n)) : null;
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}
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if (r.kind === "length") return String(value).length !== r.n ? (r.message || ("Must be exactly " + r.n + " characters")) : null;
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if (r.kind === "email") return EMAIL.test(String(value)) ? null : (r.message || "Must be a valid email");
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if (r.kind === "url") return URL_RE.test(String(value)) ? null : (r.message || "Must be a valid URL");
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if (r.kind === "uuid") return UUID_RE.test(String(value)) ? null : (r.message || "Must be a valid UUID");
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if (r.kind === "date") return isNaN(Date.parse(String(value))) ? (r.message || "Must be a valid date") : null;
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if (r.kind === "oneOf") return r.values.indexOf(value) !== -1 ? null : (r.message || ("Must be one of: " + r.values.join(", ")));
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if (r.kind === "pattern") { try { return new RegExp(r.source, r.flags || "").test(String(value)) ? null : (r.message || "Invalid format"); } catch (e) { return null; } }
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if (r.kind === "integer") return Number.isInteger(value) ? null : (r.message || "Must be a whole number");
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return null;
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}
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function checkField(desc, raw) {
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if (desc.type === "boolean") {
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var b = raw === true || raw === "true" || raw === "on";
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return (!desc.optional && !b) ? (desc.requiredMessage || "Required") : null;
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}
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var pre = desc.trim && typeof raw === "string" ? raw.trim() : raw;
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var empty = pre === undefined || pre === null || pre === "";
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if (empty) return desc.optional ? null : (desc.requiredMessage || "Required");
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var value;
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if (desc.type === "number") { value = Number(pre); if (isNaN(value)) return "Must be a number"; }
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else value = String(pre);
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for (var i = 0; i < desc.rules.length; i++) {
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var err = applyRule(desc.type, desc.rules[i], value);
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if (err) return err;
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}
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return null;
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}
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function rawValue(form, name) {
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var el = form.elements[name];
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if (!el) return undefined;
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return el.type === "checkbox" ? el.checked : el.value;
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}
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function showError(form, name, err) {
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var box = form.querySelector('[data-error="' + name + '"]');
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if (box) box.textContent = err || "";
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var el = form.elements[name];
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if (el && el.setAttribute) {
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if (err) { el.setAttribute("aria-invalid", "true"); if (el.classList) el.classList.add("wire-invalid"); }
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else { el.removeAttribute("aria-invalid"); if (el.classList) el.classList.remove("wire-invalid"); }
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}
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}
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function validateForm(form, schema) {
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var errors = 0;
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Object.keys(schema.fields).forEach(function (name) {
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var err = checkField(schema.fields[name], rawValue(form, name));
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if (err) errors++;
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showError(form, name, err);
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});
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return errors;
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}
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function collect(form) {
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var out = {};
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for (var i = 0; i < form.elements.length; i++) {
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var el = form.elements[i];
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if (!el.name) continue;
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if (el.type === "checkbox") out[el.name] = el.checked;
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else if (el.type === "radio") { if (el.checked) out[el.name] = el.value; }
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else out[el.name] = el.value;
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}
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return out;
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}
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function onSuccess(form, data) {
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var redirect = form.getAttribute("data-redirect") || (data && data.redirect);
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if (redirect) {
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// Prefer client-side navigation (no full reload) when it is available.
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if (window.__wrnexusNavigate) window.__wrnexusNavigate(redirect);
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else location.assign(redirect);
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return;
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}
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var box = form.querySelector("[data-success]");
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if (box) { box.textContent = box.getAttribute("data-success") || "Success"; box.hidden = false; }
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form.reset();
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form.dispatchEvent(new CustomEvent("wire:success", { detail: data, bubbles: true }));
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}
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function csrfHeader() {
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var m = document.cookie.match(/(?:^|;\s*)wire-csrf=([^;]+)/);
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return m ? { "x-csrf-token": decodeURIComponent(m[1]) } : {};
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}
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function submitForm(form, schema) {
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var method = (form.getAttribute("method") || "post").toUpperCase();
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var action = form.getAttribute("action") || location.pathname;
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var btns = form.querySelectorAll("[type=submit]");
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btns.forEach(function (b) { b.disabled = true; });
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var headers = { "content-type": "application/json", accept: "application/json" };
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var csrf = csrfHeader();
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for (var k in csrf) headers[k] = csrf[k];
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fetch(action, {
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method: method,
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headers: headers,
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credentials: "same-origin",
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body: JSON.stringify(collect(form)),
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})
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.then(function (res) {
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return res.json().catch(function () { return {}; }).then(function (data) { return { res: res, data: data }; });
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})
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.then(function (r) {
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if (r.res.ok) { onSuccess(form, r.data); return; }
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// Surface server-side field errors (e.g. "email already taken").
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var errors = r.data && r.data.errors;
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if (errors) Object.keys(errors).forEach(function (f) { showError(form, f, errors[f]); });
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form.dispatchEvent(new CustomEvent("wire:error", { detail: r.data, bubbles: true }));
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})
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.catch(function () {
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form.dispatchEvent(new CustomEvent("wire:error", { detail: { network: true }, bubbles: true }));
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})
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.then(function () { btns.forEach(function (b) { b.disabled = false; }); });
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}
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function bind(form) {
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if (form.__wireValidateBound) return;
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form.__wireValidateBound = 1;
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var name = form.getAttribute("data-schema");
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var schema = (window.__wireSchemas || {})[name];
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if (!schema) return;
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// Schema-backed forms use WRNexus messages instead of the browser's
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// non-themeable native validation bubbles.
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form.noValidate = true;
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form.setAttribute("novalidate", "");
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form.addEventListener("submit", function (e) {
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e.preventDefault();
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if (validateForm(form, schema) > 0) return; // client-invalid: stay put, errors shown
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submitForm(form, schema);
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});
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form.addEventListener("blur", function (e) {
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var t = e.target;
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if (t && t.name && schema.fields[t.name]) {
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showError(form, t.name, checkField(schema.fields[t.name], t.type === "checkbox" ? t.checked : t.value));
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}
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}, true);
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}
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function init(root) {
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(root || document).querySelectorAll("form[data-schema]").forEach(bind);
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}
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window.__wireValidate = { init: init };
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if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", function () { init(document); });
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else init(document);
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})();
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`.trim();
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