szhu

type ItemInfo =
  | {
      type: "element";
      key: string | undefined;
    }
  | { type: "other" };

function getItemInfo(item: unknown): ItemInfo {
  if (typeof item === "object" && item != null) {
    if ("key" in item) {

szhu

# Tell Spotlight to ignore all node_modules directories.
# Run this from the home directory.

# Pieced together from:
# - https://github.com/yarnpkg/yarn/issues/6453#issuecomment-498110933
# - https://stackoverflow.com/a/4210072/782045
# - https://superuser.com/a/151427/110699
# - https://apple.stackexchange.com/a/258791/31413
# - https://unix.stackexchange.com/a/24563/64762
# This does a dry run; remove `echo` to do actually do it.

szhu

#!/bin/sh
# File formatted with shell-format.
#
# This tool creates a disk image to put node_modules in. This makes it so that
# when the disk image is not mounted, it is treated as a single file by
# Spotlight and other tools to do expensive tasks on a per-file basis.

set -e

# Utils

szhu

#!/opt/homebrew/bin/bun run
// <xbar.title>CPU Usage, Kill process</xbar.title>
// <xbar.version>v1.0</xbar.version>
// <xbar.author>Sean Zhu</xbar.author>
// <xbar.author.github>szhu</xbar.author.github>
// <xbar.desc>Shows the top 5 highest-CPU processes. Select a process to kill it.</xbar.desc>
// <xbar.image>https://raw.githubusercontent.com/Aleksandern/devman/master/images/BitBarCpuUsageKill.png</xbar.image>
// <xbar.dependencies>deno</xbar.dependencies>

// Based on: https://xbarapp.com/docs/plugins/System/cpu-usage-kill.5s.sh.html

szhu

type PickByNullableType<D, T> = {
  [K in keyof D]: NonNullable<D[K]> extends T ? K : never;
};

type PickKeysWithNullableValueTypes<D, T> = keyof D &
  PickByNullableType<D, T>[keyof D];

function setLevel1Value<D extends object, K1 extends keyof D>(
  data: D,
  key1: K1,

szhu

# This does a dry run; it prints out what should be run. You can then run it yourself.
for branch in (git branch --format "%(refname:short)")
      set sha (git rev-parse $branch)
      if git log -1 $branch --pretty=format:'%cr' | grep -q -E 'weeks|months'
          set date (git log -1 $branch --pretty=format:'%cs')
          echo
          echo '#' $branch
          echo git tag $date-$branch $sha
          echo git branch -D $branch
      end

szhu

// ==UserScript==
// @name        Gmail Sender Utils
// @namespace   https://github.com/szhu
// @match       https://mail.google.com/mail/u/*
// @version     1.3
// @author      Sean Zhu
// @description Quickly drill down by sender or label in Gmail.
// @homepageURL https://gist.github.com/szhu/1d816086307c5de02bc9a2bb1cf01fe0
// @updateURL   https://gist.github.com/szhu/1d816086307c5de02bc9a2bb1cf01fe0/raw/gmail-sender-utils.user.js
// @downloadURL https://gist.github.com/szhu/1d816086307c5de02bc9a2bb1cf01fe0/raw/gmail-sender-utils.user.js

szhu

set -e

verbose() {
  echo $ "$@" >&2
  "$@"
}

COMPARISON="${1:-origin/prod...origin/main}"

OUT=".git/changelog.out.html"

szhu

import { useRef } from "react";

/**
 * Use this hook to quickly answer the question: Why did my useEffect or useMemo
 * callback run again?
 *
 * Usage:
 *
 *     // If you have this code...
 *     useEffect(() => {

szhu

// domToTsv - Convert rows in a webpage into TSV-formatted table.

// Example usage:
// This converts instacart.com order receipts to TSV.
domToTsv(
  // Select a single table:
  [`#store-wrapper main`],

  // For each table, select every row:
  `:scope > ul > li`,