package.json

@@ -1,8 +1,32 @@
 {
-  "name": "switchev-shared",
+  "name": "@switchev/web-shared",
   "version": "0.1.0",
-  "private": true,
-  "description": "Shared constants, validation schemas, and type definitions for SwitchEV",
+  "description": "Shared browser helpers (formatters, markdown, image polling) for the SwitchEV frontends",
   "type": "module",
-  "main": "index.js"
+  "exports": {
+    ".": "./src/index.js",
+    "./format": "./src/format.js",
+    "./markdown": "./src/markdown.js",
+    "./wait-image": "./src/wait-image.js"
+  },
+  "files": [
+    "src"
+  ],
+  "sideEffects": [
+    "./src/markdown.js"
+  ],
+  "peerDependencies": {
+    "dompurify": ">=3",
+    "marked": ">=12"
+  },
+  "scripts": {
+    "test": "node --test"
+  },
+  "publishConfig": {
+    "registry": "https://git.debyl.io/api/packages/SwitchEV/npm/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://git.debyl.io/SwitchEV/shared.git"
+  }
 }

src/format.js

@@ -0,0 +1,39 @@
+// SEV-329: shared display formatters. These were copy-pasted (and subtly
+// divergent — SEV-310) across public/vendor/admin. Single source of truth here.
+
+/**
+ * Friendly label for an internal slug: replaces '-' and '_' with spaces and
+ * Title-Cases each word. e.g. "contract_pending" → "Contract Pending".
+ */
+export function formatLabel(val) {
+  if (!val) return '';
+  return String(val).replace(/[-_]/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase());
+}
+
+/** Friendly status label (alias of formatLabel, named for intent at call sites). */
+export const formatStatus = formatLabel;
+
+const TIMELINE_LABELS = {
+  '4_to_6_months': '4–6 months',
+  '6_to_12_months': '6–12 months',
+  '12_to_24_months': '12–24 months',
+  flexible: 'Flexible',
+};
+
+/** Friendly conversion timeline. Falls back to formatLabel for unknown slugs. */
+export function formatTimeline(val) {
+  return TIMELINE_LABELS[val] || formatLabel(val);
+}
+
+const BUDGET_LABELS = {
+  'under-10k': 'Under $10,000',
+  '10k-25k': '$10,000 – $25,000',
+  '25k-50k': '$25,000 – $50,000',
+  '50k-100k': '$50,000 – $100,000',
+  '100k-plus': '$100,000+',
+};
+
+/** Friendly budget-range label for the wizard's slug values. */
+export function formatBudget(val) {
+  return BUDGET_LABELS[val] || val || '';
+}

src/format.test.js

@@ -0,0 +1,26 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { formatLabel, formatStatus, formatTimeline, formatBudget } from './format.js';
+
+test('formatLabel replaces _ and - and title-cases', () => {
+  assert.equal(formatLabel('contract_pending'), 'Contract Pending');
+  assert.equal(formatLabel('in-progress'), 'In Progress');
+  assert.equal(formatLabel(''), '');
+  assert.equal(formatLabel(null), '');
+});
+
+test('formatStatus is formatLabel', () => {
+  assert.equal(formatStatus('matched'), 'Matched');
+});
+
+test('formatTimeline maps known slugs, falls back otherwise', () => {
+  assert.equal(formatTimeline('6_to_12_months'), '6–12 months');
+  assert.equal(formatTimeline('flexible'), 'Flexible');
+  assert.equal(formatTimeline('something_else'), 'Something Else');
+});
+
+test('formatBudget maps known ranges', () => {
+  assert.equal(formatBudget('25k-50k'), '$25,000 – $50,000');
+  assert.equal(formatBudget('100k-plus'), '$100,000+');
+  assert.equal(formatBudget(''), '');
+});

src/index.js

@@ -0,0 +1,5 @@
+// @switchev/web-shared — shared browser helpers for the public/vendor/admin
+// SwitchEV frontends. SEV-329.
+export { formatLabel, formatStatus, formatTimeline, formatBudget } from './format.js';
+export { renderMarkdown } from './markdown.js';
+export { waitForImage } from './wait-image.js';

src/markdown.js

@@ -0,0 +1,33 @@
+// SEV-329: shared safe-markdown renderer. marked parses the source; DOMPurify
+// enforces a strict allowlist (no scripts, inline handlers, <style>, data: URIs)
+// and links get rel="noopener noreferrer" + target="_blank". marked + dompurify
+// are peer dependencies (every consuming site already ships them).
+import { marked } from 'marked';
+import DOMPurify from 'dompurify';
+
+marked.setOptions({ breaks: true, gfm: true });
+
+DOMPurify.addHook('afterSanitizeAttributes', (node) => {
+  if (node.tagName === 'A' && node.hasAttribute('href')) {
+    node.setAttribute('target', '_blank');
+    node.setAttribute('rel', 'noopener noreferrer');
+  }
+});
+
+const ALLOWED_TAGS = [
+  'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p', 'br', 'strong', 'em', 'b', 'i', 'u', 's', 'del',
+  'ul', 'ol', 'li', 'blockquote', 'a', 'code', 'pre',
+  'table', 'thead', 'tbody', 'tr', 'th', 'td', 'hr',
+];
+const ALLOWED_ATTR = ['href', 'target', 'rel', 'colspan', 'rowspan'];
+
+/** Render markdown to sanitized HTML. Returns '' on empty/invalid input. */
+export function renderMarkdown(src) {
+  if (!src) return '';
+  try {
+    return DOMPurify.sanitize(marked.parse(String(src)), { ALLOWED_TAGS, ALLOWED_ATTR });
+  } catch (e) {
+    console.warn('renderMarkdown failed:', e);
+    return '';
+  }
+}

src/wait-image.js

@@ -0,0 +1,23 @@
+// SEV-329: shared waitForImage (was byte-identical in public-site + vendor-site).
+//
+// SEV-306: uploads quarantine into a private incoming/ prefix and the
+// image-processor re-encodes them out to the public URL asynchronously (and
+// DELETES anything it can't decode). So the public URL 404s briefly after upload
+// and never appears for a rejected file. waitForImage polls (via Image() to
+// dodge CORS) until the sanitized object loads ('ready') or times out
+// ('rejected'). Callers gate display on this so users never see a broken <img>.
+export function waitForImage(url, { timeoutMs = 30000, intervalMs = 1500 } = {}) {
+  return new Promise((resolve) => {
+    const start = Date.now();
+    const attempt = () => {
+      const img = new Image();
+      img.onload = () => resolve('ready');
+      img.onerror = () => {
+        if (Date.now() - start >= timeoutMs) resolve('rejected');
+        else setTimeout(attempt, intervalMs);
+      };
+      img.src = url + (url.includes('?') ? '&' : '?') + '_cb=' + Date.now();
+    };
+    attempt();
+  });
+}