Borealis night theme

Name: Borealis night theme
Author: Alejandro Mejia

Publisher: Alejandro MejiaThemes in package: 1

Borealis is an enchanting VS Code theme with a dark background and vivid colors inspired by the Northern Lights. The captivating hues make for an enjoyable and productive coding experience with stunning visual effects.

Open in VS Code GitHub

VS Code preview

Full workbench mockup using this variant's colors and tokenColors.

fetchUser.ts

index.ts

README.md

src

components

fetchUser.ts

User

tags

export interface User {
  id: string;
  name: string;
  role: "admin" | "member";
  tags: string[];
}

/**
 * Fetch user data by ID
 * @param id
 * @returns User object or null if ID is invalid
 */
export async function fetchUser(id: string): Promise<User | null> {
  if (!id) {
    return null;
  }

  const response = await fetch(`/api/users/${id}`, {
    method: "GET",
    headers: { Accept: "application/json" },
  });

  if (!response.ok) {
    throw new Error(`HTTP ${response.status}`);
  }

  return (await response.json()) as User;
}

function greet(user: User): string {
  // Simple greeting function that uses the user's name
  return `Hello, ${user.name}!`;
}

Problems1

Output

Debug Console

Terminal

Ports

~/my-project $ pnpm test
✓ fetchUser passed 12blk
✗Cannot find name 'user'. error
▲warning 412 readylocalhost
http://localhost:3000

WSL

1 1

main*

Copilot

Ln 5, Col 12

Spaces: 2

UTF-8

TypeScript

Borealis

colors

Workbench UI color keys from the theme JSON colors map.

key	HEX	RGB	RGBA
activityBar.background
activityBar.foreground
activityBarBadge.foreground
breadcrumb.background
breadcrumb.foreground
editor.background
editorGroupHeader.tabsBackground
editorGutter.background
editorHoverWidget.background
editorHoverWidget.foreground
editorLineNumber.foreground
editorSuggestWidget.background
editorSuggestWidget.border
editorWidget.background
editorWidget.foreground
list.activeSelectionBackground
list.activeSelectionForeground
list.hoverBackground
list.inactiveSelectionForeground
menu.background
menu.foreground
sideBar.background
sideBar.foreground
sideBarTitle.foreground
statusBar.background
statusBar.border
statusBar.focusBorder
statusBar.foreground
statusBar.noFolderBackground
tab.activeBackground
tab.activeBorder
tab.activeBorderTop
tab.activeForeground
tab.border
tab.hoverBackground
tab.hoverForeground
tab.inactiveBackground
tab.inactiveForeground
terminal.ansiBlack
terminal.ansiBlue
terminal.ansiBrightBlack
terminal.ansiBrightBlue
terminal.ansiBrightCyan
terminal.ansiBrightGreen
terminal.ansiBrightMagenta
terminal.ansiBrightRed
terminal.ansiBrightWhite
terminal.ansiBrightYellow
terminal.ansiCyan
terminal.ansiGreen
terminal.ansiMagenta
terminal.ansiRed
terminal.ansiWhite
terminal.ansiYellow
terminal.background
terminal.foreground
titleBar.activeBackground
titleBar.activeForeground
titleBar.inactiveBackground

tokenColors

Foregrounds this theme assigns to the token scope catalog. A rule with only a font style is skipped, and a longer matching scope wins. Italic and bold rules are not listed — the preview above shows them in the code.

scope	HEX	RGB	RGBA
comment
comment.block
comment.block.documentation
comment.line
constant
constant.character
constant.character.escape
constant.numeric
constant.numeric.integer
constant.numeric.float
constant.numeric.hex
constant.numeric.octal
constant.other
constant.other.placeholder
constant.regexp
constant.rgb-value
entity
entity.name
entity.name.class
entity.name.function
entity.name.method
entity.name.namespace
entity.name.section
entity.name.selector
entity.name.tag
entity.name.type
entity.name.type.enum
entity.name.type.interface
entity.name.type.struct
entity.other
entity.other.attribute-name
entity.other.inherited-class
invalid
invalid.deprecated
invalid.illegal
keyword
keyword.control
keyword.control.flow
keyword.operator
keyword.operator.new
keyword.operator.assignment
keyword.operator.arithmetic
keyword.operator.logical
keyword.other
markup
markup.bold
markup.changed
markup.deleted
markup.heading
markup.inline.raw
markup.inserted
markup.italic
markup.raw
markup.underline
markup.underline.link
meta
meta.class
meta.function-call
meta.tag
punctuation.definition.bracket
punctuation.definition.comment
punctuation.definition.string.begin
punctuation.definition.string.end
punctuation.separator
punctuation.separator.continuation
punctuation.terminator
storage
storage.modifier
storage.type
string
string.interpolated
string.other
string.quoted
string.quoted.double
string.quoted.other
string.quoted.single
string.quoted.triple
string.regexp
string.template
string.unquoted
support
support.class
support.constant
support.function
support.other
support.type
support.type.primitive
support.type.property-name
variable
variable.function
variable.language
variable.name
variable.other
variable.other.constant
variable.other.property
variable.other.readwrite
variable.parameter

Borealis night theme

VS Code preview

colors

tokenColors

Eva Theme

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Dark

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VS Code preview

colors

tokenColors

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