feat: enhance Appwrite integration and chat functionality
- Added support for encrypted coach chats with a new `coach_chats` collection in the Appwrite database. - Updated `.env.example` to include `OLLAMA_API_KEY`, `OLLAMA_MODEL`, and `APPWRITE_API_KEY` for server-side configurations. - Introduced a setup script in `package.json` for initializing Appwrite database tables. - Enhanced the Vite configuration to proxy requests to the Ollama API. - Updated the main application structure to accommodate new chat features and improved theme management. - Refined CSS styles for better UI consistency and added new components for chat functionality.
This commit is contained in:
Ned Halksworth
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/* global console, fetch, process, setTimeout */
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import { existsSync, readFileSync } from "node:fs";
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const env = loadEnvFiles([".env", ".env.local"]);
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const endpoint = readEnv("VITE_APPWRITE_ENDPOINT", "https://fra.cloud.appwrite.io/v1").replace(/\/$/, "");
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const projectId = readEnv("VITE_APPWRITE_PROJECT_ID", "6a0752ee001fb2ef7138");
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const databaseId = readEnv("VITE_APPWRITE_DATABASE_ID", "redbull_tracker");
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const intakeTableId = readEnv("VITE_APPWRITE_COLLECTION_ID", "intake_entries");
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const chatTableId = readEnv("VITE_APPWRITE_CHAT_COLLECTION_ID", "coach_chats");
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const apiKey = readEnv("APPWRITE_API_KEY", "");
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if (!apiKey) {
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throw new Error("APPWRITE_API_KEY missing. Add a server/admin Appwrite key to .env.local, without VITE_.");
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}
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await ensureDatabase(databaseId, "Red Bull Tracker");
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await ensureTable({
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tableId: intakeTableId,
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name: "Intake entries",
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columns: [
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{ kind: "string", key: "userId", size: 64, required: true },
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{ kind: "float", key: "cans", required: true },
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{ kind: "string", key: "flavour", size: 128, required: true },
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{ kind: "string", key: "flavourAccent", size: 32, required: true },
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{ kind: "integer", key: "sizeMl", required: true },
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{ kind: "float", key: "pricePerCan", required: true },
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{ kind: "datetime", key: "dateTime", required: true },
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{ kind: "string", key: "notes", size: 2000, required: false },
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{ kind: "string", key: "store", size: 256, required: false },
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{ kind: "boolean", key: "sugarFree", required: true },
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{ kind: "float", key: "caffeineMgPerCan", required: false },
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{ kind: "string", key: "importKey", size: 512, required: true },
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{ kind: "string", key: "source", size: 32, required: true },
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],
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indexes: [
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{ key: "user_date_desc", type: "key", columns: ["userId", "dateTime"], orders: ["ASC", "DESC"], lengths: [32] },
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{ key: "user_import_key", type: "key", columns: ["userId", "importKey"], orders: ["ASC", "ASC"], lengths: [32, 128] },
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],
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});
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await ensureTable({
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tableId: chatTableId,
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name: "Coach chats",
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columns: [
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{ kind: "string", key: "userId", size: 64, required: true },
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{ kind: "string", key: "encryptedTitle", size: 4000, required: true, encrypt: true },
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{ kind: "longtext", key: "encryptedMessages", required: true, encrypt: true },
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{ kind: "string", key: "titleIv", size: 128, required: true },
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{ kind: "string", key: "messagesIv", size: 128, required: true },
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{ kind: "string", key: "salt", size: 128, required: true },
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{ kind: "integer", key: "version", required: true },
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{ kind: "datetime", key: "updatedAt", required: true },
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],
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indexes: [{ key: "user_chat_updated", type: "key", columns: ["userId", "updatedAt"], orders: ["ASC", "DESC"], lengths: [32] }],
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});
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console.log("Appwrite database and tables ready.");
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async function ensureDatabase(id, name) {
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const existing = await request("GET", `/tablesdb/${id}`, undefined, [200, 404]);
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if (existing.status === 200) {
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console.log(`Database ${id} exists.`);
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return;
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}
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await request("POST", "/tablesdb", { databaseId: id, name, enabled: true }, [201]);
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console.log(`Database ${id} created.`);
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}
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async function ensureTable({ tableId, name, columns, indexes }) {
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const existing = await request("GET", `/tablesdb/${databaseId}/tables/${tableId}`, undefined, [200, 404]);
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if (existing.status === 404) {
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await request(
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"POST",
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`/tablesdb/${databaseId}/tables`,
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{
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tableId,
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name,
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permissions: ['create("users")'],
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rowSecurity: true,
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enabled: true,
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},
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[201],
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);
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console.log(`Table ${tableId} created.`);
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} else {
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await request(
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"PUT",
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`/tablesdb/${databaseId}/tables/${tableId}`,
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{ name, permissions: ['create("users")'], rowSecurity: true, enabled: true, purge: true },
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[200],
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);
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console.log(`Table ${tableId} exists and permissions updated.`);
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}
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for (const column of columns) {
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await ensureColumn(tableId, column);
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}
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await waitForColumns(tableId, columns.map((column) => column.key));
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for (const index of indexes) {
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await ensureIndex(tableId, index);
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}
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}
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async function ensureColumn(tableId, column) {
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const existing = await request("GET", `/tablesdb/${databaseId}/tables/${tableId}/columns/${column.key}`, undefined, [200, 404]);
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if (existing.status === 200) {
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console.log(`Column ${tableId}.${column.key} exists.`);
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return;
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}
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const body = {
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key: column.key,
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required: column.required,
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array: false,
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};
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if (column.size) body.size = column.size;
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if (column.encrypt) body.encrypt = true;
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await request("POST", `/tablesdb/${databaseId}/tables/${tableId}/columns/${column.kind}`, body, [202, 201]);
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console.log(`Column ${tableId}.${column.key} created.`);
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}
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async function ensureIndex(tableId, index) {
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const existing = await request("GET", `/tablesdb/${databaseId}/tables/${tableId}/indexes/${index.key}`, undefined, [200, 404]);
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if (existing.status === 200) {
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console.log(`Index ${tableId}.${index.key} exists.`);
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return;
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}
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await request(
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"POST",
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`/tablesdb/${databaseId}/tables/${tableId}/indexes`,
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{ key: index.key, type: index.type, columns: index.columns, orders: index.orders, lengths: index.lengths },
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[202, 201],
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);
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console.log(`Index ${tableId}.${index.key} created.`);
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}
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async function waitForColumns(tableId, keys) {
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const pending = new Set(keys);
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for (let attempt = 0; attempt < 30 && pending.size; attempt += 1) {
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for (const key of [...pending]) {
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const response = await request("GET", `/tablesdb/${databaseId}/tables/${tableId}/columns/${key}`, undefined, [200, 404]);
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if (response.status === 200 && ["available", "failed"].includes(response.body.status)) {
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if (response.body.status === "failed") throw new Error(`Column ${tableId}.${key} failed: ${response.body.error || "unknown error"}`);
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pending.delete(key);
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}
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}
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if (pending.size) await delay(1_000);
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}
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if (pending.size) throw new Error(`Timed out waiting for columns: ${[...pending].join(", ")}`);
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}
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async function request(method, path, body, okStatuses) {
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const response = await fetch(`${endpoint}${path}`, {
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method,
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headers: {
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"Content-Type": "application/json",
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"X-Appwrite-Key": apiKey,
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"X-Appwrite-Project": projectId,
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},
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body: body ? JSON.stringify(body) : undefined,
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});
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const text = await response.text();
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const parsed = text ? parseJson(text) : null;
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if (!okStatuses.includes(response.status)) {
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const message = parsed?.message || text || `${method} ${path} failed with status ${response.status}`;
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throw new Error(message);
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}
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return { status: response.status, body: parsed };
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}
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function parseJson(value) {
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try {
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return JSON.parse(value);
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} catch {
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return null;
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}
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}
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function delay(ms) {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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function readEnv(name, fallback) {
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return process.env[name] || env[name] || fallback;
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}
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function loadEnvFiles(paths) {
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const values = {};
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for (const path of paths) {
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if (!existsSync(path)) continue;
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const lines = readFileSync(path, "utf8").split(/\r?\n/);
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for (const line of lines) {
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const match = line.match(/^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/);
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if (!match) continue;
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values[match[1]] = match[2].trim().replace(/^(["'])(.*)\1$/, "$2");
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}
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}
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return values;
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}
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