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import * as vscode from 'vscode';
import * as path from 'path';
import * as fs from 'fs';
import type { CacheManager } from '../cache/CacheManager';
import type {
IdeJsonSchema,
IdeJsonFunction,
IdeJsonParameterType,
} from '../types';
// ─── Dynamic Provider Factory ─────────────────────────────────────────────
/**
* Reads `ide.json` (or `ide-helper.json`) from the project root,
* parses its schema, and dynamically registers VS Code completion
* providers for any custom functions declared there.
*
* Schema example:
* {
* "functions": [
* {
* "name": "my_route_helper",
* "parameters_patterns": [
* { "parameter": 0, "type": "route" }
* ]
* }
* ]
* }
*/
export class IdeJsonParser implements vscode.Disposable {
private readonly workspaceRoot: string;
private readonly cache: CacheManager;
private readonly registeredProviders: vscode.Disposable[] = [];
private watcher: vscode.FileSystemWatcher | null = null;
constructor(workspaceRoot: string, cache: CacheManager) {
this.workspaceRoot = workspaceRoot;
this.cache = cache;
}
async initialize(): Promise<void> {
await this.loadAndRegister();
this.watchIdeJson();
}
// ─── Load & Register ──────────────────────────────────────────────────
private async loadAndRegister(): Promise<void> {
const schema = this.readIdeJson();
if (!schema) { return; }
// Dispose previously registered dynamic providers before re-registering
for (const p of this.registeredProviders) { p.dispose(); }
this.registeredProviders.length = 0;
for (const fn of schema.functions ?? []) {
this.registerFunctionProvider(fn);
}
console.log(
`[Maestro] ide.json: registered ${schema.functions?.length ?? 0} custom function providers`
);
}
// ─── Dynamic Completion Provider ──────────────────────────────────────
private registerFunctionProvider(fn: IdeJsonFunction): void {
const cache = this.cache;
const fnName = fn.name;
// Build one provider per parameter pattern that needs completion
for (const pattern of fn.parameters_patterns ?? []) {
const paramIndex = pattern.parameter;
const type = pattern.type;
const provider = vscode.languages.registerCompletionItemProvider(
[
{ language: 'php' },
{ language: 'blade' },
],
{
provideCompletionItems(
document: vscode.TextDocument,
position: vscode.Position
): vscode.CompletionItem[] {
const lineText = document.lineAt(position).text;
const textBefore = lineText.substring(0, position.character);
// Detect: fnName(..., paramIndex-th param as string
if (!IdeJsonParser.isInsideCustomFn(textBefore, fnName, paramIndex)) {
return [];
}
return IdeJsonParser.buildItemsForType(type, cache);
},
},
"'", '"' // trigger on quote characters
);
this.registeredProviders.push(provider);
}
}
// ─── Context Detection ────────────────────────────────────────────────
static isInsideCustomFn(
textBefore: string,
fnName: string,
paramIndex: number
): boolean {
// Check if we're inside the function call at the right argument position
const escaped = fnName.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
const pattern = new RegExp(`\\b${escaped}\\s*\\(`);
const fnMatch = pattern.exec(textBefore);
if (!fnMatch) { return false; }
const afterParen = textBefore.slice(fnMatch.index + fnMatch[0].length);
// Count commas to determine argument position (simplified, handles nesting)
let depth = 0;
let commas = 0;
for (const ch of afterParen) {
if (ch === '(' || ch === '[') { depth++; }
if (ch === ')' || ch === ']') { depth--; }
if (ch === ',' && depth === 0) { commas++; }
}
// Are we in a string at the right position?
const endsWithOpenString = /['"][^'"]*$/.test(afterParen);
return endsWithOpenString && commas === paramIndex;
}
// ─── Item Builder ─────────────────────────────────────────────────────
static buildItemsForType(
type: IdeJsonParameterType,
cache: CacheManager
): vscode.CompletionItem[] {
const index = cache.getIndex();
switch (type) {
case 'route':
return Array.from(index.routes.values())
.filter((r) => r.name)
.map((r) => {
const item = new vscode.CompletionItem(r.name, vscode.CompletionItemKind.Value);
item.detail = `[${r.methods.join('|')}] /${r.uri}`;
item.documentation = new vscode.MarkdownString(
`**Route (ide.json):** \`${r.name}\`\n\nAction: \`${r.action}\``
);
return item;
});
case 'view':
return Array.from(index.views.keys()).map((viewName) => {
const item = new vscode.CompletionItem(viewName, vscode.CompletionItemKind.File);
item.detail = 'Blade view';
return item;
});
case 'config':
return Array.from(index.configs.values()).map((cfg) => {
const item = new vscode.CompletionItem(cfg.key, vscode.CompletionItemKind.Variable);
item.detail = String(cfg.value).slice(0, 60);
return item;
});
case 'translation':
return Array.from(index.translations.values()).map((t) => {
const item = new vscode.CompletionItem(t.key, vscode.CompletionItemKind.Text);
item.detail = t.value.slice(0, 80);
item.documentation = new vscode.MarkdownString(`\`${t.locale}\`: ${t.value}`);
return item;
});
case 'model':
return Array.from(index.models.values()).map((m) => {
const item = new vscode.CompletionItem(
m.namespace ? `${m.namespace}\\${m.className}` : m.className,
vscode.CompletionItemKind.Class
);
item.detail = `Model — ${m.tableName}`;
return item;
});
case 'column':
// Return all columns across all tables
return Array.from(index.dbSchema.entries()).flatMap(([table, cols]) =>
cols.map((col) => {
const item = new vscode.CompletionItem(`${table}.${col.name}`, vscode.CompletionItemKind.Field);
item.detail = col.type;
return item;
})
);
case 'middleware':
// Extract middleware from routes (deduplicated)
{
const middlewareSet = new Set<string>();
for (const r of index.routes.values()) {
for (const m of r.middleware) {
middlewareSet.add(m);
}
}
return Array.from(middlewareSet).map((mw) => {
return new vscode.CompletionItem(mw, vscode.CompletionItemKind.Keyword);
});
}
default:
return [];
}
}
// ─── ide.json Reader ──────────────────────────────────────────────────
private readIdeJson(): IdeJsonSchema | null {
const candidates = [
path.join(this.workspaceRoot, 'ide.json'),
path.join(this.workspaceRoot, 'ide-helper.json'),
path.join(this.workspaceRoot, '.ide.json'),
];
for (const candidate of candidates) {
if (fs.existsSync(candidate)) {
try {
const raw = fs.readFileSync(candidate, 'utf8');
const parsed = JSON.parse(raw) as IdeJsonSchema;
return parsed;
} catch (err) {
vscode.window.showWarningMessage(
`[Laravel Maestro] Failed to parse ${path.basename(candidate)}: ${String(err)}`
);
return null;
}
}
}
return null;
}
// ─── File Watcher ─────────────────────────────────────────────────────
private watchIdeJson(): void {
this.watcher = vscode.workspace.createFileSystemWatcher(
new vscode.RelativePattern(this.workspaceRoot, '{ide.json,.ide.json,ide-helper.json}')
);
this.watcher.onDidChange(() => void this.loadAndRegister());
this.watcher.onDidCreate(() => void this.loadAndRegister());
this.watcher.onDidDelete(() => {
// Clean up all dynamic providers on deletion
for (const p of this.registeredProviders) { p.dispose(); }
this.registeredProviders.length = 0;
});
}
// ─── Lifecycle ────────────────────────────────────────────────────────
dispose(): void {
this.watcher?.dispose();
for (const p of this.registeredProviders) { p.dispose(); }
}
}
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