A semantic dark theme built for reading code in the age of AI agents — phosphor CRT aesthetic, role-based coloring, and three-tier visual hierarchy across TypeScript, Python, Rust, Svelte, and more.
Full workbench mockup using this variant's colors and tokenColors.
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Workbench UI color keys from the theme JSON colors map.
TextMate scopes and font styles (syntax highlighting rules).
| scope | foreground | fontStyle |
|---|---|---|
| comment, punctuation.definition.comment | #5C8656 | italic |
| comment.block.documentation, comment.line.documentation, string.quoted.docstring | #5C8656 | italic |
| storage.type.class.jsdoc, punctuation.definition.block.tag.jsdoc, storage.type.class.tsdoc, punctuation.definition.bracket.angle.begin.jsdoc, punctuation.definition.bracket.angle.end.jsdoc | #7CBF78 | — |
| keyword | #A2EBA1 | — |
| keyword.control.conditional, keyword.control.loop, keyword.control.trycatch, keyword.control.switch, keyword.control.case, keyword.declaration, storage.modifier, keyword.operator, keyword.operator.logical, keyword.operator.arithmetic, keyword.operator.comparison, keyword.operator.assignment, keyword.operator.bitwise, keyword.operator.ternary, keyword.operator.spread, keyword.operator.rest, keyword.operator.optional, keyword.operator.type, keyword.operator.expression.typeof, keyword.operator.expression.instanceof, keyword.operator.expression.in, keyword.operator.expression.of, keyword.operator.expression.void, keyword.operator.expression.delete | #A2EBA1 | — |
| storage.type, storage.type.function, storage.type.class, storage.type.interface.ts, storage.type.enum.ts, storage.type.type.ts, storage.type.namespace, storage.type.module, storage.type.def, storage.type.struct, storage.type.trait, storage.type.impl, storage.type.enum, storage.type.fn, storage.type.let, keyword.control.import, keyword.control.export, keyword.control.from, keyword.control.as, keyword.control.default, keyword.other.new, keyword.control.flow, keyword.control.return, keyword.control.async, keyword.control.await, keyword.control.yield, storage.modifier.async, storage.modifier.async.ts | #E8A030 | — |
| variable.language.this, variable.language.self, variable.language.super, variable.language.special.self, variable.language.this.cs, keyword.other.debugger, keyword.control.throw, keyword.control.break, keyword.control.continue, keyword.control.exception | #EA9575 | — |
| string, string.quoted, string.template, string.unquoted, markup.inserted.git_gutter | #73e165 | — |
| constant.character.escape, constant.character.entity, string.regexp constant.character, string.regexp source.ruby.embedded | #7AF8FF | — |
| punctuation.definition.template-expression, punctuation.definition.template-expression.begin, punctuation.definition.template-expression.end, punctuation.section.embedded, punctuation.section.embedded.begin, punctuation.section.embedded.end, meta.template.expression punctuation.definition.template-expression, meta.embedded.expression punctuation.section.embedded | #E8F0E8 | — |
| constant.numeric, constant.numeric.integer, constant.numeric.float, constant.numeric.hex, constant.numeric.binary, constant.numeric.octal, constant.language, constant.language.boolean, constant.language.boolean.true, constant.language.boolean.false, constant.language.null, constant.language.undefined, constant.language.nan, constant.language.infinity, support.constant | #E8F0E8 | — |
| variable.other.constant, variable.other.enummember, constant.other, constant.other.symbol, constant.other.key, constant.other.color, constant.character | #7AF8FF | — |
| entity.name.function, entity.name.function.call, meta.function-call entity.name.function, meta.function-call.generic.python entity.name.function.python, variable.function, support.function, support.function.builtin, keyword.other.special-method | #D1CF32 | — |
| entity.name.function.member, entity.name.method, entity.name.method.js, entity.name.method.ts, entity.name.function.method, entity.name.function.member.method, variable.function.constructor, meta.method-call entity.name.function, meta.method.declaration entity.name.function, meta.method.declaration entity.name.method, meta.method.definition entity.name.function, meta.definition.method entity.name.function, meta.method.signature entity.name.function, meta.method-signature entity.name.function, meta.method.member entity.name.function, meta.member.method entity.name.function, meta.method-overload entity.name.function, meta.field.declaration.ts entity.name.function, meta.objectliteral.member entity.name.function, support.function.method, support.function.method-call | #D1CF32 | — |
| meta.method.declaration.ts variable.other.constant, meta.method.declaration.ts variable.other.readwrite, meta.field.declaration.ts variable.other.constant, meta.objectliteral.member.ts variable.other.constant, meta.member.expression.ts entity.name.function, support.variable.member | #D1CF32 | — |
| entity.name.class, entity.name.enum, entity.name.struct, entity.name.union, entity.name.trait, entity.name.impl, entity.name.type.class, entity.name.type.enum, entity.name.type.struct, entity.name.type.module, support.class, support.type, entity.other.inherited-class, support.other.namespace, meta.use.php | #C07AC8 | — |
| entity.name.type, entity.name.type.ts, entity.name.type.interface, entity.name.type.alias, entity.name.type.typedef, entity.name.interface, support.type.sys-types, support.type.primitive, support.type.primitive.ts, support.type.primitive.tsx, support.type.builtin, support.type.object, support.type.numeric, support.type.string, support.type.boolean, support.type.void, support.type.null, support.type.any, support.type.never, support.type.unknown, support.type.bigint, support.type.symbol, support.type.undefined, support.type.exception, keyword.type, keyword.type.ts, keyword.type.js, keyword.type.cs | #ffb4e2 | — |
| variable.type.var, entity.name.type.parameter, punctuation.definition.typeparameters | #ffb4e2 | — |
| variable, variable.other, variable.other.readwrite, variable.other.object, variable.other.assignment, string constant.other.placeholder | #7AF8FF | — |
| support.variable, support.variable.dom, support.variable.javascript, support.variable.property.dom, variable.language.arguments, variable.other.global | #7AF8FF | — |
| variable.parameter, meta.function variable.other, meta.function.parameters variable, meta.function.parameter variable, meta.function-call.arguments variable.other | #A2EBA1 | italic |
| variable.other.property, variable.other.object.property, variable.other.field, variable.other.member, support.variable.property, meta.object-literal.key, meta.object.member, entity.other.attribute-name, support.type.property-name, source.css support.type.property-name, source.sass support.type.property-name, source.scss support.type.property-name, source.less support.type.property-name, source.stylus support.type.property-name, source.postcss support.type.property-name | #77B0FF | — |
| text.html entity.other.attribute-name, text.html.basic entity.other.attribute-name, text.xml entity.other.attribute-name | #77B0FF | — |
| entity.name.tag, entity.name.tag.html, entity.name.tag.xml, entity.name.tag.svelte, entity.name.tag.tsx, entity.name.tag.jsx, entity.name.tag.vue, meta.tag.sgml, support.class.component | #E8A030 | — |
| support.class.component.tsx, support.class.component.jsx, entity.name.tag.tsx support.class, entity.name.tag.jsx support.class | #C07AC8 | — |
| punctuation, punctuation.definition.tag, punctuation.definition.tag.html, punctuation.definition.tag.begin.html, punctuation.definition.tag.end.html, punctuation.definition.binding-pattern, punctuation.separator, punctuation.terminator, punctuation.accessor, meta.brace, meta.delimiter | #A2EBA1 | — |
| entity.name.namespace, entity.name.module, entity.name.module.js, entity.name.scope-resolution, variable.import.parameter.js, variable.other.class.js, support.other.namespace.use.php, support.other.namespace.php | #A2EBA1 | — |
| meta.decorator, tag.decorator.js entity.name.tag.js, tag.decorator.js punctuation.definition.tag.js, storage.type.annotation, punctuation.decorator, meta.attribute | #C07AC8 | — |
| invalid, invalid.illegal | #EA9575 | underline |
| invalid.deprecated | #DD7975 | strikethrough |
| entity.other.attribute-name.class.css, entity.other.attribute-name.id.css, source.sass keyword.control | #D4D256 | — |
| entity.other.attribute-name.pseudo-class.css, entity.other.attribute-name.pseudo-element.css | #ffb4e2 | — |
| keyword.other.unit, keyword.control.at-rule, variable.scss, punctuation.definition.keyword.css | #E8A030 | — |
| entity.name.label, entity.name.label.js, entity.name.label.ts, entity.name.label.svelte, meta.reactive.svelte entity.name.label, source.svelte entity.name.label, variable.language.dollar.svelte, punctuation.definition.variable.svelte, punctuation.separator.label, punctuation.separator.label.js, punctuation.separator.label.ts | #E8F0E8 | — |
| constant.other.color.rgb-value, constant.other.rgb-value.css | #E8F0E8 | — |
| source.json meta.structure.dictionary.json support.type.property-name.json | #77B0FF | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #D1CF32 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #FFB4E2 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #C07AC8 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #7AF8FF | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #77B0FF | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #D1CF32 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #FFB4E2 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #C07AC8 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #7AF8FF | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #77B0FF | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #D1CF32 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #FFB4E2 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #C07AC8 | — |
| source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json | #7AF8FF | — |
| entity.name.tag.yaml | #77B0FF | — |
| entity.name.tag.toml | #77B0FF | — |
| markup.heading, markup.heading entity.name, markup.heading.markdown punctuation.definition.heading.markdown | #A2EBA1 | bold |
| markup.italic | #E8A030 | italic |
| markup.bold, markup.bold string | #EA9575 | bold |
| markup.bold markup.italic, markup.italic markup.bold, markup.quote markup.bold | #EA9575 | bold italic |
| markup.inserted | #A2EBA1 | — |
| markup.deleted | #EA9575 | — |
| markup.changed | #77B0FF | — |
| markup.underline | #7AF8FF | underline |
| markup.quote | #4E7249 | — |
| markup.inline.raw, text.html.markdown markup.inline.raw.markdown | #7AF8FF | — |
| markup.raw.block | #7AF8FFCC | — |
| markup.raw.block.fenced.markdown, punctuation.definition.fenced.markdown, variable.language.fenced.markdown | #A2EBA1 | — |
| fenced_code.block.language.markdown | #7CBF78 | — |
| string.other.link.title.markdown, string.other.link.description.title.markdown | #77B0FF | — |
| markup.underline.link, markup.underline.link.markdown, constant.other.reference.link.markdown | #328EEE | underline |
| meta.separator | #4E7249 | bold |
| punctuation.definition.raw.markdown, punctuation.definition.blockquote.markdown, punctuation.definition.list_item.markdown, punctuation.definition.string.markdown, punctuation.definition.link.markdown, punctuation.definition.metadata.markdown | #4E7249 | — |
| markup.table | #A2EBA1 | — |
| beginning.punctuation.definition.list.markdown | #7AF8FF | — |
| *url*, *link*, *uri* | — | underline |
| string.regexp | #7AF8FF | — |
| keyword.operator.quantifier.regexp, keyword.operator.or.regexp, keyword.control.anchor.regexp | #E8A030 | — |
| punctuation.definition.group.regexp, punctuation.definition.character-class.regexp | #C07AC8 | — |
| variable.other.normal.shell, source.shell variable.other | #7AF8FF | — |
| support.function.builtin.shell, keyword.control.shell | #E8A030 | — |
| entity.name.function.shell | #D1CF32 | — |
| variable.language.special.self.python, variable.language.special.cls.python, variable.parameter.function.language.special.self.python, variable.parameter.function.language.special.cls.python | #EA9575 | — |
| meta.function.decorator.python support.type.python, entity.name.function.decorator.python, meta.function.decorator.python entity.name.function, meta.decorator.python entity.name.function, meta.decorator.python support.type | #C07AC8 | — |
| entity.name.function.python, meta.function.python entity.name.function.python, meta.function-call.python entity.name.function.python, meta.function-call.generic.python entity.name.function.python, meta.member.access.python entity.name.function.python, meta.attribute.python entity.name.function.python, meta.qualified-name.python entity.name.function.python | #D1CF32 | — |
| support.function.magic.python, meta.function.python entity.name.function.magic.python, support.variable.magic.python | #D1CF32 | — |
| support.function.builtin.python, meta.function-call.python support.function.builtin.python | #D1CF32 | — |
| support.type.python, support.type.exception.python, support.type.metaclass.python, meta.qualified-name.python support.type.python, meta.function-call.python support.type.python | #C07AC8 | — |
| support.type.typing.python, support.class.typing.python, meta.typing.python entity.name.type, support.type.python.typing | #ffb4e2 | — |
| entity.name.type.class.python, meta.class.python entity.name.type.class.python, entity.other.inherited-class.python | #C07AC8 | — |
| variable.parameter.function.python, variable.parameter.function-call.python, meta.function.parameters.python variable.parameter, meta.function-call.arguments.python variable.parameter | #A2EBA1 | italic |
| variable.parameter.function-call.python, meta.function-call.arguments.python variable.parameter.function-call.python | #77B0FF | — |
| constant.character.format.placeholder.other.python, storage.type.format.python, punctuation.section.embedded.begin.python, punctuation.section.embedded.end.python | #EA9575 | — |
| storage.type.string.python, string.quoted.docstring.multi.python storage.type.string.python | #E8A030 | — |
| entity.name.namespace.python, meta.import.python entity.name.namespace, meta.import.python entity.name.module | #A2EBA1 | — |
| constant.language.python | #E8F0E8 | — |
| storage.modifier.lifetime.rust, entity.name.lifetime.rust, punctuation.definition.lifetime.rust, keyword.operator.lifetime.rust | #E8F0E8 | — |
| support.macro.rust, entity.name.function.macro.rust, entity.name.type.macro.rust, meta.macro.rust, meta.macro.metavariable.rust, punctuation.definition.macro.rust | #7AF8FF | — |
| meta.attribute.rust, meta.preprocessor.rust, punctuation.brackets.attribute.rust, entity.name.type.derive.rust, support.attribute.rust, punctuation.attribute.rust | #C07AC8 | — |
| entity.name.type.trait.rust, entity.name.trait.rust, support.type.trait.rust | #ffb4e2 | — |
| entity.name.type.struct.rust, entity.name.type.enum.rust, entity.name.type.union.rust, entity.name.type.impl.rust, entity.name.struct.rust, entity.name.enum.rust | #C07AC8 | — |
| entity.name.type.numeric.rust, entity.name.type.primitive.rust, entity.name.type.boolean.rust, entity.name.type.string.rust, entity.name.type.never.rust, support.type.primitive.rust, storage.type.core.rust | #ffb4e2 | — |
| entity.name.type.generic.rust, entity.name.type.parameter.rust | #ffb4e2 | — |
| keyword.other.fn.rust, storage.type.function.rust | #E8A030 | — |
| keyword.other.crate.rust, keyword.other.mod.rust, keyword.other.use.rust, keyword.other.where.rust, keyword.other.impl.rust, keyword.other.trait.rust, keyword.other.struct.rust, keyword.other.enum.rust, keyword.other.union.rust, keyword.other.type.rust, keyword.other.async.rust, keyword.other.await.rust, keyword.other.as.rust, keyword.other.dyn.rust | #E8A030 | — |
| storage.modifier.rust, keyword.other.pub.rust, keyword.other.let.rust, keyword.other.mut.rust, keyword.other.ref.rust, keyword.other.move.rust, keyword.other.static.rust, keyword.other.const.rust | #A2EBA1 | — |
| keyword.other.unsafe.rust, storage.modifier.unsafe.rust | #EA9575 | — |
| variable.language.self.rust, variable.language.Self.rust, keyword.other.self.rust, entity.name.type.self.rust | #EA9575 | — |
| entity.name.function.rust, meta.function.rust entity.name.function, meta.function-call.rust entity.name.function, meta.method.rust entity.name.function, meta.method-call.rust entity.name.function | #D1CF32 | — |
| support.constant.core.rust, support.constant.std.rust, constant.other.caps.rust | #7AF8FF | — |
| string.quoted.byte.raw.rust, string.quoted.raw.rust storage.type.string | #E8A030 | — |
| storage.type.go | #ffb4e2 | — |
| support.function.builtin.go | #D1CF32 | — |
| meta.preprocessor, keyword.control.directive, punctuation.definition.directive | #E8A030 | — |
| punctuation.definition.interpolation.begin.cs, punctuation.definition.interpolation.end.cs | #EA9575 | — |
| storage.type.annotation.java, punctuation.definition.annotation.java | #C07AC8 | — |
| source.js constant.other.object.key.js string.unquoted.label.js | #EA9575 | — |
| keyword.control.svelte, entity.name.tag.svelte, punctuation.definition.block.svelte | #E8A030 | — |
| punctuation.separator.directive.svelte, entity.other.attribute-name.directive.svelte | #A2EBA1 | — |
| entity.other.attribute-name.directive.vue | #A2EBA1 | — |
| support.type.graphql, entity.name.type.graphql | #ffb4e2 | — |
| variable.graphql, string.unquoted.alias.graphql | #77B0FF | — |
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}!`;
}