tanishqkancharla

---

description: | The Librarian - a specialized research agent for understanding external resources like GitHub repositories and documentation websites.

The Librarian has access to: bash (for gh CLI), read_web_page, and web_search. It is read-only and cannot modify local files.

Use the Librarian to study APIs, library implementations, and external documentation before implementing features or integrations.

WHEN TO USE:

tanishqkancharla

import type { Plugin } from "@opencode-ai/plugin";

export const BashPreprocessor: Plugin = async ({ directory }) => {
	const repoPath = directory;

	return {
		"tool.execute.before": async (input, output) => {
			if (input.tool === "bash" && output.args?.command) {
				let command = output.args.command as string;

tanishqkancharla

type DrizzleClient = NodePgDatabase<typeof schema>;

export type Transaction = Parameters<
	Parameters<DrizzleClient["transaction"]>[0]
>[0];

type PathSegment =
	| { type: "get"; prop: PropertyKey }
	| { type: "call"; args: unknown[] };

tanishqkancharla

const loggerMiddleware = os
  .$context<{ req: Request }>()
	.middleware(async ({ context, next, path }) => {
		const start = Date.now();
		const method = context.req.method;
		const pathname = `/${path.join("/")}`;

		try {
			const result = await next({});
			const duration = Date.now() - start;

tanishqkancharla

import { Codec } from "@repo/utils/codec";
import { deleteDB, IDBPDatabase, openDB } from "idb";
import { KeyValuePair, ScanStorageArgs, WriteOps } from "tuple-database";
import { decodeTuple, encodeTuple } from "tuple-database/helpers/codec";
import { AnySchema, Json, StorageApi } from "../types";

const version = 1;

const storeName = "tupledb";

tanishqkancharla

import { Context, ORPCError } from "@orpc/server";
import type {
	StandardHandlerOptions,
	StandardHandlerPlugin,
} from "@orpc/server/standard";

function formatNow() {
	return new Date().toLocaleDateString("en-US", {
		month: "short",
		day: "numeric",

tanishqkancharla

class ExpoSqliteTupleStorageApi implements AsyncTupleStorageApi {
	private db = SQLite.openDatabase("app.db");

	constructor() {}

	async prepare() {
		await this.db.execAsync(
			[
				{
					sql: `

tanishqkancharla

import { isFunction, isSymbol } from "lodash-es";
import type {
	KeyValuePair,
	ReadOnlyTupleDatabaseClientApi,
	TupleTransactionApi,
} from "tuple-database";
import {
	InMemoryTupleStorage,
	TupleDatabase,
	TupleDatabaseClient,

tanishqkancharla

import { unionBy } from "lodash-es";
import React, { ReactElement, useEffect, useState } from "react";
import { Animated, useAnimatedValue } from "react-native";

function diffBy<T>(a: T[], b: T[], key: keyof T) {
	const aKeys = a.map((item) => item[key]);
	const bKeys = b.map((item) => item[key]);

	const added = b.filter((item) => !aKeys.includes(item[key]));
	const removed = a.filter((item) => !bKeys.includes(item[key]));