Function transpileJavaScript

src/javascript/transpile.ts:31–55

(
  node: JavaScriptNode,
  {id, path, params, mode, resolveImport, resolveFile}: TranspileOptions
)

}

export function transpileJavaScript(
  node: JavaScriptNode,
  {id, path, params, mode, resolveImport, resolveFile}: TranspileOptions
): string {
  let async = node.async;
  const inputs = Array.from(new Set<string>(node.references.map((r) => r.name)));
  const outputs = Array.from(new Set<string>(node.declarations?.map((r) => r.name)));
  const display = node.expression && !inputs.includes("display") && !inputs.includes("view");
  if (display) inputs.push("display"), (async = true);
  if (hasImportDeclaration(node.body)) async = true;
  const output = new Sourcemap(node.input).trim();
  if (params) rewriteParams(output, node.body, params, node.input);
  rewriteImportDeclarations(output, node.body, resolveImport);
  rewriteImportExpressions(output, node.body, resolveImport, resolveFile);
  rewriteFileExpressions(output, node.files, path);
  if (display) output.insertLeft(0, "display(await(\n").insertRight(node.input.length, "\n))");
  output.insertLeft(0, `, body: ${async ? "async " : ""}(${inputs}) => {\n`);
  if (outputs.length) output.insertLeft(0, `, outputs: ${JSON.stringify(outputs)}`);
  if (inputs.length) output.insertLeft(0, `, inputs: ${JSON.stringify(inputs)}`);
  if (mode && mode !== "block") output.insertLeft(0, `, mode: ${JSON.stringify(mode)}`);
  output.insertLeft(0, `define({id: ${JSON.stringify(id)}`);
  if (outputs.length) output.insertRight(node.input.length, `\nreturn {${outputs}};`);
  output.insertRight(node.input.length, "\n}});\n");
  return String(output);
}

export interface TranspileModuleOptions {
  root: string;