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
@@ -8,6 +8,7 @@ export const appwriteConfig = {
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projectId: env.VITE_APPWRITE_PROJECT_ID || "6a0752ee001fb2ef7138",
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databaseId: env.VITE_APPWRITE_DATABASE_ID || "redbull_tracker",
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collectionId: env.VITE_APPWRITE_COLLECTION_ID || "intake_entries",
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chatCollectionId: env.VITE_APPWRITE_CHAT_COLLECTION_ID || "coach_chats",
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oauthSuccessUrl: resolveOAuthUrl(env.VITE_APPWRITE_OAUTH_SUCCESS_URL),
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oauthFailureUrl: resolveOAuthUrl(env.VITE_APPWRITE_OAUTH_FAILURE_URL),
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};
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@@ -0,0 +1,178 @@
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import type { Models } from "appwrite";
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import type { CoachChat } from "../types";
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import { appwriteConfig, ID, Permission, Query, Role, tablesDB } from "./appwrite";
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const CHAT_CRYPTO_VERSION = 1;
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const KEY_ITERATIONS = 210_000;
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type EncryptedChatRow = Models.Row & {
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userId: string;
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encryptedTitle: string;
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encryptedMessages: string;
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titleIv: string;
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messagesIv: string;
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salt: string;
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version: number;
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updatedAt: string;
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};
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type EncryptedValue = {
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ciphertext: string;
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iv: string;
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};
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export async function listEncryptedChats(userId: string, passphrase: string) {
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const response = await tablesDB.listRows<EncryptedChatRow>({
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databaseId: appwriteConfig.databaseId,
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tableId: appwriteConfig.chatCollectionId,
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queries: [Query.equal("userId", userId), Query.orderDesc("updatedAt"), Query.limit(50)],
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});
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const chats: CoachChat[] = [];
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for (const row of response.rows) {
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chats.push(await decryptChatRow(row, passphrase));
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}
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return chats;
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}
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export async function createEncryptedChat(userId: string, passphrase: string, chat: CoachChat) {
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const row = await tablesDB.createRow<EncryptedChatRow>({
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databaseId: appwriteConfig.databaseId,
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tableId: appwriteConfig.chatCollectionId,
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rowId: ID.custom(chat.id),
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data: await toEncryptedRowData(userId, passphrase, chat),
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permissions: userRowPermissions(userId),
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});
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return decryptChatRow(row, passphrase);
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}
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export async function updateEncryptedChat(userId: string, passphrase: string, chat: CoachChat) {
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const row = await tablesDB.updateRow<EncryptedChatRow>({
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databaseId: appwriteConfig.databaseId,
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tableId: appwriteConfig.chatCollectionId,
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rowId: chat.id,
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data: await toEncryptedRowData(userId, passphrase, chat),
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permissions: userRowPermissions(userId),
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});
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return decryptChatRow(row, passphrase);
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}
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export async function deleteEncryptedChat(id: string) {
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await tablesDB.deleteRow({
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databaseId: appwriteConfig.databaseId,
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tableId: appwriteConfig.chatCollectionId,
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rowId: id,
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});
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}
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export function chatStorageErrorMessage(error: unknown) {
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if (error instanceof Error) {
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if (/decrypt|operation failed|unable to decrypt/i.test(error.message)) {
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return "Encrypted chat key could not unlock saved chats.";
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}
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if (/not found|404/i.test(error.message)) {
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return `Appwrite chat table '${appwriteConfig.chatCollectionId}' was not found.`;
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}
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if (/permissions?.*create|action 'create'|not authorized|401|unauthorized/i.test(error.message)) {
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return `Appwrite chat table needs Users -> Create and row security on '${appwriteConfig.chatCollectionId}'.`;
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}
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return error.message;
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}
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return "Encrypted chat storage failed.";
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}
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async function toEncryptedRowData(userId: string, passphrase: string, chat: CoachChat) {
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const salt = crypto.getRandomValues(new Uint8Array(16));
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const key = await deriveKey(passphrase, userId, salt);
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const title = await encryptText(chat.title, key);
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const messages = await encryptText(JSON.stringify(chat.messages), key);
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return {
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userId,
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encryptedTitle: title.ciphertext,
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encryptedMessages: messages.ciphertext,
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titleIv: title.iv,
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messagesIv: messages.iv,
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salt: bytesToBase64(salt),
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version: CHAT_CRYPTO_VERSION,
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updatedAt: chat.updatedAt,
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};
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}
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async function decryptChatRow(row: EncryptedChatRow, passphrase: string): Promise<CoachChat> {
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const salt = base64ToBytes(row.salt);
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const key = await deriveKey(passphrase, row.userId, salt);
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const title = await decryptText({ ciphertext: row.encryptedTitle, iv: row.titleIv }, key);
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const messages = JSON.parse(await decryptText({ ciphertext: row.encryptedMessages, iv: row.messagesIv }, key));
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return {
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id: row.$id,
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userId: row.userId,
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title,
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messages,
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createdAt: row.$createdAt,
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updatedAt: row.updatedAt || row.$updatedAt,
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};
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}
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async function deriveKey(passphrase: string, userId: string, salt: Uint8Array) {
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const material = await crypto.subtle.importKey(
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"raw",
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new TextEncoder().encode(`${userId}:${passphrase}`),
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"PBKDF2",
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false,
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["deriveKey"],
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);
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return crypto.subtle.deriveKey(
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{ name: "PBKDF2", salt: bytesToArrayBuffer(salt), iterations: KEY_ITERATIONS, hash: "SHA-256" },
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material,
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{ name: "AES-GCM", length: 256 },
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false,
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["encrypt", "decrypt"],
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);
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}
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function bytesToArrayBuffer(bytes: Uint8Array) {
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return bytes.buffer.slice(bytes.byteOffset, bytes.byteOffset + bytes.byteLength) as ArrayBuffer;
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}
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async function encryptText(value: string, key: CryptoKey): Promise<EncryptedValue> {
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const iv = crypto.getRandomValues(new Uint8Array(12));
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const encrypted = await crypto.subtle.encrypt({ name: "AES-GCM", iv }, key, new TextEncoder().encode(value));
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return { ciphertext: bytesToBase64(new Uint8Array(encrypted)), iv: bytesToBase64(iv) };
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}
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async function decryptText(value: EncryptedValue, key: CryptoKey) {
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const decrypted = await crypto.subtle.decrypt(
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{ name: "AES-GCM", iv: base64ToBytes(value.iv) },
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key,
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base64ToBytes(value.ciphertext),
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);
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return new TextDecoder().decode(decrypted);
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}
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function bytesToBase64(bytes: Uint8Array) {
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let binary = "";
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bytes.forEach((byte) => {
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binary += String.fromCharCode(byte);
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});
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return btoa(binary);
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}
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function base64ToBytes(value: string) {
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const binary = atob(value);
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const bytes = new Uint8Array(binary.length);
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for (let index = 0; index < binary.length; index += 1) {
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bytes[index] = binary.charCodeAt(index);
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}
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return bytes;
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}
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function userRowPermissions(userId: string) {
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const role = Role.user(userId);
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return [Permission.read(role), Permission.update(role), Permission.delete(role)];
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}
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@@ -0,0 +1,248 @@
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import type { CSSProperties } from "react";
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export type ThemeTokens = {
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primary: string;
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onPrimary: string;
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primaryContainer: string;
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onPrimaryContainer: string;
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secondary: string;
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onSecondary: string;
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secondaryContainer: string;
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onSecondaryContainer: string;
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tertiary: string;
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onTertiary: string;
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tertiaryContainer: string;
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onTertiaryContainer: string;
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error: string;
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onError: string;
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errorContainer: string;
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onErrorContainer: string;
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bg: string;
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surface: string;
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surfaceContainerLowest: string;
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surfaceContainerLow: string;
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surfaceContainer: string;
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surfaceContainerHigh: string;
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outline: string;
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outlineVariant: string;
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text: string;
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muted: string;
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subtle: string;
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accentWarm: string;
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chartPrimary: string;
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chartSecondary: string;
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chartTertiary: string;
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chartError: string;
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chartGrid: string;
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elevation1: string;
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elevation2: string;
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};
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export type ThemeSeed = {
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primary: string;
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secondary?: string;
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tertiary?: string;
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sugarFree?: boolean;
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dark?: boolean;
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tokens?: Partial<ThemeTokens>;
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};
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type Rgb = { r: number; g: number; b: number };
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function clamp(value: number, min = 0, max = 255) {
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return Math.min(max, Math.max(min, value));
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}
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function parseHex(hex: string): Rgb {
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const normalized = hex.replace("#", "");
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const value =
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normalized.length === 3
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? normalized
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.split("")
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.map((part) => part + part)
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.join("")
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: normalized;
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return {
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r: parseInt(value.slice(0, 2), 16),
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g: parseInt(value.slice(2, 4), 16),
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b: parseInt(value.slice(4, 6), 16),
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};
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}
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function toHex({ r, g, b }: Rgb) {
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return `#${[r, g, b]
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.map((channel) => clamp(Math.round(channel)).toString(16).padStart(2, "0"))
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.join("")}`;
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}
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function mix(a: string, b: string, weight: number) {
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const left = parseHex(a);
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const right = parseHex(b);
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return toHex({
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r: left.r * (1 - weight) + right.r * weight,
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g: left.g * (1 - weight) + right.g * weight,
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b: left.b * (1 - weight) + right.b * weight,
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});
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}
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function luminance(hex: string) {
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const { r, g, b } = parseHex(hex);
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const channels = [r, g, b].map((channel) => {
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const value = channel / 255;
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return value <= 0.03928 ? value / 12.92 : ((value + 0.055) / 1.055) ** 2.4;
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});
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return 0.2126 * channels[0] + 0.7152 * channels[1] + 0.0722 * channels[2];
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}
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function onColor(background: string) {
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return luminance(background) > 0.58 ? "#1f252a" : "#ffffff";
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}
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function containerColor(primary: string) {
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return mix(primary, "#ffffff", 0.82);
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}
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function surfaceStack(primary: string, sugarFree: boolean, dark: boolean) {
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if (dark) {
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return {
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bg: mix(primary, "#000000", 0.88),
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surface: mix(primary, "#000000", 0.86),
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surfaceContainerLowest: mix(primary, "#000000", 0.78),
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surfaceContainerLow: mix(primary, "#000000", 0.82),
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surfaceContainer: mix(primary, "#000000", 0.84),
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surfaceContainerHigh: mix(primary, "#000000", 0.8),
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outline: mix(primary, "#ffffff", 0.35),
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outlineVariant: mix(primary, "#ffffff", 0.18),
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text: "#f5f7fa",
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muted: mix("#ffffff", primary, 0.45),
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subtle: mix("#ffffff", primary, 0.55),
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accentWarm: mix(primary, "#ffffff", 0.12),
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};
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}
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const tint = sugarFree ? mix(primary, "#e8ecf4", 0.72) : mix(primary, "#ffffff", 0.94);
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return {
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bg: tint,
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surface: tint,
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surfaceContainerLowest: "#ffffff",
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surfaceContainerLow: mix(primary, "#ffffff", sugarFree ? 0.9 : 0.92),
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surfaceContainer: mix(primary, "#ffffff", sugarFree ? 0.86 : 0.88),
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surfaceContainerHigh: mix(primary, "#ffffff", sugarFree ? 0.8 : 0.82),
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outline: mix(primary, "#68747c", 0.55),
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outlineVariant: mix(primary, "#dce5ea", 0.72),
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text: "#1f252a",
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muted: mix("#68747c", primary, 0.25),
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subtle: mix("#839099", primary, 0.2),
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accentWarm: mix(primary, "#ffffff", sugarFree ? 0.78 : 0.84),
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};
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}
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function chartSecondary(primary: string) {
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return mix(primary, "#9c4168", 0.45);
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}
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function chartTertiary(primary: string) {
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return mix(primary, "#906d1d", 0.35);
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}
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function rgbaFromHex(hex: string, alpha: number) {
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const { r, g, b } = parseHex(hex);
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return `rgba(${r}, ${g}, ${b}, ${alpha})`;
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}
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export function buildThemeTokens(seed: ThemeSeed): ThemeTokens {
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const { primary, sugarFree = false, dark = false } = seed;
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const secondary = seed.secondary ?? mix(primary, "#647887", 0.35);
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const tertiary = seed.tertiary ?? mix(primary, "#9b7b51", 0.3);
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const surfaces = surfaceStack(primary, sugarFree, dark);
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const primaryContainer = containerColor(primary);
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const secondaryContainer = containerColor(secondary);
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const tertiaryContainer = containerColor(tertiary);
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const error = "#ba1a1a";
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const errorContainer = "#ffdad6";
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const tokens: ThemeTokens = {
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primary,
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onPrimary: onColor(primary),
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primaryContainer,
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onPrimaryContainer: onColor(primaryContainer),
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secondary,
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onSecondary: onColor(secondary),
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secondaryContainer,
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onSecondaryContainer: onColor(secondaryContainer),
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tertiary,
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onTertiary: onColor(tertiary),
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tertiaryContainer,
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onTertiaryContainer: onColor(tertiaryContainer),
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error,
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onError: "#ffffff",
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errorContainer,
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onErrorContainer: "#410002",
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bg: surfaces.bg,
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surface: surfaces.surface,
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surfaceContainerLowest: surfaces.surfaceContainerLowest,
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surfaceContainerLow: surfaces.surfaceContainerLow,
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surfaceContainer: surfaces.surfaceContainer,
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surfaceContainerHigh: surfaces.surfaceContainerHigh,
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outline: surfaces.outline,
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outlineVariant: surfaces.outlineVariant,
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text: surfaces.text,
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muted: surfaces.muted,
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subtle: surfaces.subtle,
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accentWarm: surfaces.accentWarm,
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chartPrimary: primary,
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chartSecondary: chartSecondary(primary),
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chartTertiary: chartTertiary(primary),
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chartError: error,
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chartGrid: rgbaFromHex(surfaces.outline, 0.24),
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elevation1: `0 12px 34px ${rgbaFromHex(primary, 0.08)}, 0 1px 2px ${rgbaFromHex(primary, 0.06)}`,
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elevation2: `0 18px 44px ${rgbaFromHex(primary, 0.12)}, 0 2px 8px ${rgbaFromHex(primary, 0.08)}`,
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};
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return { ...tokens, ...seed.tokens };
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}
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export function themeTokensToStyle(tokens: ThemeTokens): CSSProperties {
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return {
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"--primary": tokens.primary,
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"--on-primary": tokens.onPrimary,
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"--primary-container": tokens.primaryContainer,
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"--on-primary-container": tokens.onPrimaryContainer,
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"--secondary": tokens.secondary,
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"--on-secondary": tokens.onSecondary,
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"--secondary-container": tokens.secondaryContainer,
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"--on-secondary-container": tokens.onSecondaryContainer,
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"--tertiary": tokens.tertiary,
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"--on-tertiary": tokens.onTertiary,
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"--tertiary-container": tokens.tertiaryContainer,
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"--on-tertiary-container": tokens.onTertiaryContainer,
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"--error": tokens.error,
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"--on-error": tokens.onError,
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"--error-container": tokens.errorContainer,
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"--on-error-container": tokens.onErrorContainer,
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"--bg": tokens.bg,
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"--surface": tokens.surface,
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"--surface-container-lowest": tokens.surfaceContainerLowest,
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"--surface-container-low": tokens.surfaceContainerLow,
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"--surface-container": tokens.surfaceContainer,
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"--surface-container-high": tokens.surfaceContainerHigh,
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"--panel": tokens.surfaceContainer,
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"--panel-strong": tokens.surfaceContainerLowest,
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"--outline": tokens.outline,
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"--outline-variant": tokens.outlineVariant,
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"--text": tokens.text,
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"--muted": tokens.muted,
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"--subtle": tokens.subtle,
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"--accent": tokens.primaryContainer,
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"--accent-soft": tokens.surfaceContainerLow,
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"--accent-strong": tokens.primary,
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"--accent-warm": tokens.accentWarm,
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"--chart-primary": tokens.chartPrimary,
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"--chart-secondary": tokens.chartSecondary,
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"--chart-tertiary": tokens.chartTertiary,
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"--chart-error": tokens.chartError,
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"--chart-grid": tokens.chartGrid,
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"--elevation-1": tokens.elevation1,
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"--elevation-2": tokens.elevation2,
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} as CSSProperties;
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}
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