@autobe/compiler/src/utils/FilePrinter.ts

AI backend server code generator

import sortImport from "@trivago/prettier-plugin-sort-imports";
import import2 from "import2";
import { format } from "prettier";
import ts from "typescript";

export namespace FilePrinter {
  export const description = <Node extends ts.Node>(
    node: Node,
    comment: string,
  ): Node => {
    if (comment.length === 0) return node;
    ts.addSyntheticLeadingComment(
      node,
      ts.SyntaxKind.MultiLineCommentTrivia,
      ["*", ...comment.split("\n").map((str) => ` * ${str}`), ""].join("\n"),
      true,
    );
    return node;
  };

  export const newLine = () =>
    ts.factory.createExpressionStatement(ts.factory.createIdentifier("\n"));

  export const write = (props: {
    statements: ts.Statement[];
    top?: string;
  }): string => {
    const script: string = ts
      .createPrinter({
        newLine: ts.NewLineKind.LineFeed,
      })
      .printFile(
        ts.factory.createSourceFile(
          props.statements,
          ts.factory.createToken(ts.SyntaxKind.EndOfFileToken),
          ts.NodeFlags.None,
        ),
      );
    return (props.top ?? "") + script;
  };

  export const beautify = async (script: string): Promise<string> => {
    try {
      return await format(script, {
        parser: "typescript",
        plugins: [sortImport, await import2("prettier-plugin-jsdoc")],
        importOrder: ["<THIRD_PARTY_MODULES>", "^[./]"],
        importOrderSeparation: true,
        importOrderSortSpecifiers: true,
        importOrderParserPlugins: ["decorators-legacy", "typescript", "jsx"],
      });
    } catch {
      return script;
    }
  };
}