libs: add cli, sdk-py, sdk-js and move core langgraph

2026-09-09 19:27:54 +02:00 · 2024-06-17 20:37:25 -04:00
parent 45e22f3f12
commit 1a06d500d4
126 changed files with 5224 additions and 70 deletions
@@ -0,0 +1,115 @@
+import * as fs from "fs";
+import * as path from "path";
+
+// This lists all the entrypoints for the library. Each key corresponds to an
+// importable path, eg. `import { Foo } from "langgraph-sdk/client"`.
+// The value is the path to the file in `src/` that exports the entrypoint.
+// This is used to generate the `exports` field in package.json.
+// Order is not important.
+const entrypoints = { client: "client" };
+
+const updateJsonFile = (relativePath, updateFunction) => {
+  const contents = fs.readFileSync(relativePath).toString();
+  const res = updateFunction(JSON.parse(contents));
+  fs.writeFileSync(relativePath, JSON.stringify(res, null, 2) + "\n");
+};
+
+const generateFiles = () => {
+  const files = [...Object.entries(entrypoints), ["index", "index"]].flatMap(
+    ([key, value]) => {
+      const nrOfDots = key.split("/").length - 1;
+      const relativePath = "../".repeat(nrOfDots) || "./";
+      const compiledPath = `${relativePath}dist/${value}`;
+      return [
+        [`${key}.cjs`, `module.exports = require('${compiledPath}.cjs');`],
+        [`${key}.js`, `export * from '${compiledPath}.mjs'`],
+        [`${key}.d.ts`, `export * from '${compiledPath}.mjs'`],
+        [`${key}.d.cts`, `export * from '${compiledPath}.cjs'`],
+      ];
+    },
+  );
+
+  return Object.fromEntries(files);
+};
+
+const updateConfig = () => {
+  // Update tsconfig.json `typedocOptions.entryPoints` field
+  updateJsonFile("./tsconfig.json", (json) => ({
+    ...json,
+    typedocOptions: {
+      ...json.typedocOptions,
+      entryPoints: [...Object.keys(entrypoints)].map(
+        (key) => `src/${entrypoints[key]}.ts`,
+      ),
+    },
+  }));
+
+  const generatedFiles = generateFiles();
+  const filenames = Object.keys(generatedFiles);
+
+  // Update package.json `exports` and `files` fields
+  updateJsonFile("./package.json", (json) => ({
+    ...json,
+    exports: Object.assign(
+      Object.fromEntries(
+        ["index", ...Object.keys(entrypoints)].map((key) => {
+          let entryPoint = {
+            types: {
+              import: `./${key}.d.ts`,
+              require: `./${key}.d.cts`,
+              default: `./${key}.d.ts`,
+            },
+            import: `./${key}.js`,
+            require: `./${key}.cjs`,
+          };
+
+          return [key === "index" ? "." : `./${key}`, entryPoint];
+        }),
+      ),
+      {
+        "./package.json": "./package.json",
+      },
+    ),
+    files: ["dist/", ...filenames],
+  }));
+
+  // Write generated files
+  Object.entries(generatedFiles).forEach(([filename, content]) => {
+    fs.mkdirSync(path.dirname(filename), {
+      recursive: true,
+    });
+    fs.writeFileSync(filename, content);
+  });
+
+  const gitignore = fs.readFileSync("./.gitignore").toString();
+  const lines = gitignore.split("\n");
+  const startMarker = "## GENERATED create-entrypoints.js";
+  const endMarker = "## END GENERATED create-entrypoints.js";
+  const startIdx = lines.findIndex((line) => line.includes(startMarker));
+  const endIdx = lines.findIndex((line) => line.includes(endMarker));
+  const newLines = [
+    ...lines.slice(0, startIdx + 1),
+    ...filenames.map((fname) => `/${fname}`),
+    ...lines.slice(endIdx),
+  ];
+  fs.writeFileSync("./.gitignore", newLines.join("\n"));
+};
+
+const cleanGenerated = () => {
+  const filenames = Object.keys(generateFiles());
+  filenames.forEach((fname) => {
+    try {
+      fs.unlinkSync(fname);
+    } catch {
+      // ignore error
+    }
+  });
+};
+
+const command = process.argv[2];
+
+if (command === "clean") {
+  cleanGenerated();
+} else {
+  updateConfig();
+}