echo "blah" | foo

echo "blah" | foo

function foo() { # I like brackets, sue me
  echo "$@"
}

function foo() { # I like brackets, sue me
  echo "$@"
}

root@pop-os:/# userdel -rf stark
userdel: stark mail spool (/var/mail/stark) not found
root@pop-os:/# userdel -rf lannister
userdel: lannister mail spool (/var/mail/lannister) not found
root@pop-os:/# userdel -rf kit
userdel: kit mail spool (/var/mail/kit) not found
root@pop-os:/# userdel -rf nicky
userdel: nicky mail spool (/var/mail/nicky) not found
root@pop-os:/# su stark
su: user stark does not exist or the user entry does not contain all
the required fields
root@pop-os:/# su lannister
su: user lannister does not exist or the user entry does not contain
all the required fields
root@pop-os:/# su kit
su: user kit does not exist or the user entry does not contain all
the required fields
root@pop-os:/# su nicky
su: user nicky does not exist or the user entry does not contain all
the required fields
root@pop-os:/# groupdel acme-manager
root@pop-os:/# groupdel acme-employee
root@pop-os:/# groupdel acme-all
root@pop-os:/# getent group | grep -i "acme-manager"
root@pop-os:/# getent group | grep -i "acme-employee"
root@pop-os:/# getent group | grep -i "acme-all"

root@pop-os:/# userdel -rf stark
userdel: stark mail spool (/var/mail/stark) not found
root@pop-os:/# userdel -rf lannister
userdel: lannister mail spool (/var/mail/lannister) not found
root@pop-os:/# userdel -rf kit
userdel: kit mail spool (/var/mail/kit) not found
root@pop-os:/# userdel -rf nicky
userdel: nicky mail spool (/var/mail/nicky) not found
root@pop-os:/# su stark
su: user stark does not exist or the user entry does not contain all
the required fields
root@pop-os:/# su lannister
su: user lannister does not exist or the user entry does not contain
all the required fields
root@pop-os:/# su kit
su: user kit does not exist or the user entry does not contain all
the required fields
root@pop-os:/# su nicky
su: user nicky does not exist or the user entry does not contain all
the required fields
root@pop-os:/# groupdel acme-manager
root@pop-os:/# groupdel acme-employee
root@pop-os:/# groupdel acme-all
root@pop-os:/# getent group | grep -i "acme-manager"
root@pop-os:/# getent group | grep -i "acme-employee"
root@pop-os:/# getent group | grep -i "acme-all"

/**
 * \`\`\`mermaid
 * graph TD;
 *   A-->B;
 *   A-->C;
 *   B-->D;
 *   C-->D;
 * \`\`\`
 */
const ident = "val";

/**
 * \`\`\`mermaid
 * graph TD;
 *   A-->B;
 *   A-->C;
 *   B-->D;
 *   C-->D;
 * \`\`\`
 */
const ident = "val";

// package.json
{
  "name": "my-package",
  "exports": {
    "./foo.js": {
      "default": "@org/pkg/foo.js"
    }
  }
}

// package.json
{
  "name": "my-package",
  "exports": {
    "./foo.js": {
      "default": "@org/pkg/foo.js"
    }
  }
}

export * from "@org/pkg/foo.js";

export * from "@org/pkg/foo.js";

// both grab the file at `node_modules/@org/pkg/.../foo.js`
import stuff from "my-package/foo.js";
import stuff from "@org/pkg/foo.js";

// both grab the file at `node_modules/@org/pkg/.../foo.js`
import stuff from "my-package/foo.js";
import stuff from "@org/pkg/foo.js";

// types
type Differentiator = ...

type IsClassInstance<T> = T extends Differentiator ? true : false;

// test data

class MyClass {}

class ClassWithProps {
  foo!: string;
  bar() {}
}

// tests
type TestEmptyObject = IsClassInstance<{}> // expect: false
type TestPrimitiveKey = IsClassInstance<{ foo: string }> // expect: false
type TestFunctionKey = IsClassInstance<{foo(): void }> // expect: false
type TestArrowKey = IsClassInstance<{ foo: () => void }> // expect: false
type TestMyClass = IsClassInstance<MyClass> // expect: true
type TestClassWithProps = IsClassInstance<ClassWithProps> // expect: true
type TestBuiltin = IsClassInstance<Date> // expect: true

// types
type Differentiator = ...

type IsClassInstance<T> = T extends Differentiator ? true : false;

// test data

class MyClass {}

class ClassWithProps {
  foo!: string;
  bar() {}
}

// tests
type TestEmptyObject = IsClassInstance<{}> // expect: false
type TestPrimitiveKey = IsClassInstance<{ foo: string }> // expect: false
type TestFunctionKey = IsClassInstance<{foo(): void }> // expect: false
type TestArrowKey = IsClassInstance<{ foo: () => void }> // expect: false
type TestMyClass = IsClassInstance<MyClass> // expect: true
type TestClassWithProps = IsClassInstance<ClassWithProps> // expect: true
type TestBuiltin = IsClassInstance<Date> // expect: true

type Differentiator = new (...args: any[]) => any
type Differentiator = InstanceType<new (...args: any[]) => any>
type Differentiator = Record<string, unknown>
type Differentiator = Exclude<Record<string, unknown>, { constructor: Function }>

type Differentiator = new (...args: any[]) => any
type Differentiator = InstanceType<new (...args: any[]) => any>
type Differentiator = Record<string, unknown>
type Differentiator = Exclude<Record<string, unknown>, { constructor: Function }>

const myFunction = (arg) => /*...*/

const otherFunction = (arg, fn) => fn(arg)

const myFunction = (arg) => /*...*/

const otherFunction = (arg, fn) => fn(arg)

type myType<T> = /*...*/

type otherType<T, Generic> = Generic<T>

type myType<T> = /*...*/

type otherType<T, Generic> = Generic<T>

input:not(:placeholder-shown):invalid {
  /*   styles here only apply *after* the user has entered data */
  /* rather than immediately after the input is selected        */
}

input:not(:placeholder-shown):invalid {
  /*   styles here only apply *after* the user has entered data */
  /* rather than immediately after the input is selected        */
}

// rollup.config.js

module.exports = {
  output {
    banner: ...,
    footer: ...,
    ...,
  }
  ...,
}

// rollup.config.js

module.exports = {
  output {
    banner: ...,
    footer: ...,
    ...,
  }
  ...,
}

const thing = new Thing(); // Thing<"">

const thing = new Thing(); // Thing<"">

const thing = new Thing(); // Thing<"foo" | "bar">
thing.add("foo"); // Thing<"foo" | "bar">
thing.add("bar"); // Thing<"foo" | "bar">

const thing = new Thing(); // Thing<"foo" | "bar">
thing.add("foo"); // Thing<"foo" | "bar">
thing.add("bar"); // Thing<"foo" | "bar">

<input type="text" list="mylist">
<datalist id="mylist">
  <option value="a">
  <option value="b">
</datalist>

<input type="text" list="mylist">
<datalist id="mylist">
  <option value="a">
  <option value="b">
</datalist>

function myfunc<T extends MyInterface>(item: T) {
  if ("somekey" in item) console.log(item.someKey) // Error property does not exist
}

function myfunc<T extends MyInterface>(item: T) {
  if ("somekey" in item) console.log(item.someKey) // Error property does not exist
}