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import { cn } from "@/lib/utils";
import { json } from "@codemirror/lang-json";
import { yaml } from "@codemirror/lang-yaml";
import { StreamLanguage } from "@codemirror/language";
import {
type Completion,
type CompletionContext,
type CompletionResult,
autocompletion,
} from "@codemirror/autocomplete";
import { properties } from "@codemirror/legacy-modes/mode/properties";
import { shell } from "@codemirror/legacy-modes/mode/shell";
import { EditorView } from "@codemirror/view";
import { githubDark, githubLight } from "@uiw/codemirror-theme-github";
import CodeMirror, { type ReactCodeMirrorProps } from "@uiw/react-codemirror";
import { useTheme } from "next-themes";
// Docker Compose completion options
const dockerComposeServices = [
{ label: "services", type: "keyword", info: "Define services" },
{ label: "version", type: "keyword", info: "Specify compose file version" },
{ label: "volumes", type: "keyword", info: "Define volumes" },
{ label: "networks", type: "keyword", info: "Define networks" },
{ label: "configs", type: "keyword", info: "Define configuration files" },
{ label: "secrets", type: "keyword", info: "Define secrets" },
].map((opt) => ({
...opt,
apply: (
view: EditorView,
completion: Completion,
from: number,
to: number,
) => {
const insert = `${completion.label}:`;
view.dispatch({
changes: {
from,
to,
insert,
},
selection: { anchor: from + insert.length },
});
},
}));
const dockerComposeServiceOptions = [
{
label: "image",
type: "keyword",
info: "Specify the image to start the container from",
},
{ label: "build", type: "keyword", info: "Build configuration" },
{ label: "command", type: "keyword", info: "Override the default command" },
{ label: "container_name", type: "keyword", info: "Custom container name" },
{
label: "depends_on",
type: "keyword",
info: "Express dependency between services",
},
{ label: "environment", type: "keyword", info: "Add environment variables" },
{
label: "env_file",
type: "keyword",
info: "Add environment variables from a file",
},
{
label: "expose",
type: "keyword",
info: "Expose ports without publishing them",
},
{ label: "ports", type: "keyword", info: "Expose ports" },
{
label: "volumes",
type: "keyword",
info: "Mount host paths or named volumes",
},
{ label: "restart", type: "keyword", info: "Restart policy" },
{ label: "networks", type: "keyword", info: "Networks to join" },
].map((opt) => ({
...opt,
apply: (
view: EditorView,
completion: Completion,
from: number,
to: number,
) => {
const insert = `${completion.label}: `;
view.dispatch({
changes: {
from,
to,
insert,
},
selection: { anchor: from + insert.length },
});
},
}));
function dockerComposeComplete(
context: CompletionContext,
): CompletionResult | null {
const word = context.matchBefore(/\w*/);
if (!word) return null;
if (!word.text && !context.explicit) return null;
// Check if we're at the root level
const line = context.state.doc.lineAt(context.pos);
const indentation = /^\s*/.exec(line.text)?.[0].length || 0;
// If we're at the root level
if (indentation === 0) {
return {
from: word.from,
options: dockerComposeServices,
validFor: /^\w*$/,
};
}
// If we're inside a service definition
if (indentation === 4) {
return {
from: word.from,
options: dockerComposeServiceOptions,
validFor: /^\w*$/,
};
}
return null;
}
interface Props extends ReactCodeMirrorProps {
wrapperClassName?: string;
disabled?: boolean;
language?: "yaml" | "json" | "properties" | "shell";
lineWrapping?: boolean;
lineNumbers?: boolean;
}
export const CodeEditor = ({
className,
wrapperClassName,
language = "yaml",
lineNumbers = true,
...props
}: Props) => {
const { resolvedTheme } = useTheme();
return (
<div className={cn("relative overflow-auto", wrapperClassName)}>
<CodeMirror
basicSetup={{
lineNumbers,
foldGutter: true,
highlightSelectionMatches: true,
highlightActiveLine: !props.disabled,
allowMultipleSelections: true,
}}
theme={resolvedTheme === "dark" ? githubDark : githubLight}
extensions={[
language === "yaml"
? yaml()
: language === "json"
? json()
: language === "shell"
? StreamLanguage.define(shell)
: StreamLanguage.define(properties),
props.lineWrapping ? EditorView.lineWrapping : [],
language === "yaml"
? autocompletion({
override: [dockerComposeComplete],
})
: [],
]}
{...props}
editable={!props.disabled}
className={cn(
"w-full h-full text-sm leading-relaxed",
`cm-theme-${resolvedTheme}`,
className,
)}
/>
{props.disabled && (
<div className="absolute top-0 rounded-md left-0 w-full h-full flex items-center justify-center z-[10] [background:var(--overlay)] h-full" />
)}
</div>
);
};
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