feat: add graphql

scripts/endpoint-generate.mjs

@@ -0,0 +1,119 @@
+#!/usr/bin/env node
+/**
+ * Usage: npm run endpoint:generate -- [slug]
+ * Example: npm run endpoint:generate -- home-page
+ * Expects src/.../slug.gql.ts with export const name = gql`...`
+ * Runs graphql-codegen, then writes slug.gql.generated.ts beside it.
+ */
+
+import { execSync } from "node:child_process";
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const root = path.resolve(__dirname, "..");
+
+const slug = process.argv[2];
+if (!slug || slug.startsWith("-")) {
+  console.error("Usage: npm run endpoint:generate -- <slug>");
+  console.error('Example: npm run endpoint:generate -- home-page');
+  process.exit(1);
+}
+
+function findGqlFile() {
+  const exact = path.join(root, "src", `${slug}.gql.ts`);
+  if (fs.existsSync(exact)) return path.relative(root, exact);
+
+  const stack = [path.join(root, "src")];
+  while (stack.length) {
+    const dir = stack.pop();
+    if (!fs.existsSync(dir)) continue;
+    for (const name of fs.readdirSync(dir, { withFileTypes: true })) {
+      const p = path.join(dir, name.name);
+      if (name.isDirectory()) stack.push(p);
+      else if (name.name === `${slug}.gql.ts`) return path.relative(root, p);
+    }
+  }
+  return null;
+}
+
+const gqlPath = findGqlFile();
+if (!gqlPath) {
+  console.error(`No file named "${slug}.gql.ts" found under src/`);
+  process.exit(1);
+}
+
+const absGql = path.join(root, gqlPath);
+const source = fs.readFileSync(absGql, "utf8");
+
+const exportMatch = source.match(/export\s+const\s+(\w+)\s*=\s*gql\s*`/);
+if (!exportMatch) {
+  console.error(`${gqlPath}: expected: export const SomeName = gql\`...\``);
+  process.exit(1);
+}
+const documentExport = exportMatch[1];
+
+const opMatch = source.match(/\b(query|mutation|subscription)\s+(\w+)\s*[\({]/);
+if (!opMatch) {
+  console.error(`${gqlPath}: could not find operation name (query|mutation|subscription Name)`);
+  process.exit(1);
+}
+const operationKind = opMatch[1];
+const operationName = opMatch[2];
+
+const resultType =
+  operationKind === "mutation"
+    ? `${operationName}Mutation`
+    : operationKind === "subscription"
+      ? `${operationName}Subscription`
+      : `${operationName}Query`;
+const variablesType = `${resultType}Variables`;
+
+const endpointName =
+  operationKind === "mutation"
+    ? operationName[0].toLowerCase() + operationName.slice(1) + "Mutation"
+    : operationKind === "subscription"
+      ? operationName[0].toLowerCase() + operationName.slice(1) + "Subscription"
+      : operationName[0].toLowerCase() + operationName.slice(1) + "Query";
+
+const outPath = absGql.replace(/\.gql\.ts$/, ".gql.generated.ts");
+const outRel = path.relative(root, outPath);
+
+const gqlDir = path.dirname(absGql);
+const executeRel = path
+  .relative(gqlDir, path.join(root, "src", "graphql", "execute.ts"))
+  .replace(/\\/g, "/")
+  .replace(/\.ts$/, "");
+const typesRel = path
+  .relative(gqlDir, path.join(root, "src", "graphql", "graphql.ts"))
+  .replace(/\\/g, "/")
+  .replace(/\.ts$/, "");
+const gqlBase = path.basename(gqlPath);
+const gqlImportStem = gqlBase.replace(/\.ts$/, "");
+
+console.log("Running graphql-codegen…");
+execSync("npx graphql-codegen", { cwd: root, stdio: "inherit" });
+
+function quoteImport(rel) {
+  if (rel.startsWith(".")) return rel;
+  return `./${rel}`;
+}
+
+const body = `/* eslint-disable */
+/* Generated by scripts/endpoint-generate.mjs — do not edit by hand */
+import type { ExecutionResult } from "graphql";
+
+import { execute } from "${quoteImport(executeRel)}";
+import type { ${resultType}, ${variablesType} } from "${quoteImport(typesRel)}";
+import { ${documentExport} } from "./${gqlImportStem}";
+
+export const ${endpointName} = {
+  async execute(variables?: ${variablesType}): Promise<ExecutionResult<${resultType}>> {
+    return execute<${resultType}, ${variablesType}>(${documentExport}, variables);
+  },
+};
+`;
+
+fs.writeFileSync(outPath, body, "utf8");
+console.log(`Wrote ${outRel}`);