ca7ir
ca7ir•2w ago

Bundling for lower targets than ESNext?

Is there a way to change the esbuild target in https://github.com/get-convex/convex-backend/blob/fde777b69781d15c3c67eb2dc61549968f9150b5/npm-packages/convex/src/bundler/debugBundle.ts#L38 ? I've tried using the TS 5.2 dispose functionality and that ends up with an actual using keyword in the bundled code, which then cannot be parsed? 
Failed to analyze myFunctions.js: Uncaught SyntaxError: Unexpected identifier 'e'
Failed to analyze myFunctions.js: Uncaught SyntaxError: Unexpected identifier 'e'
const def = () => {
  return {
    [Symbol.dispose]() {
      console.log("disposed");
    },
  };
};

export const test = action({
  args: {},
  handler: () => {
    using _ = def();
  },
});
const def = () => {
  return {
    [Symbol.dispose]() {
      console.log("disposed");
    },
  };
};

export const test = action({
  args: {},
  handler: () => {
    using _ = def();
  },
});
excerpt from myFunctions.js: 
var Tr = /* @__PURE__ */ n(() => ({
  [Symbol.dispose]() {
    console.log("disposed");
  }
}), "def"), zs = ke({
  args: {},
  handler: /* @__PURE__ */ n(() => {
    using e = Tr();
  }, "handler")
var Tr = /* @__PURE__ */ n(() => ({
  [Symbol.dispose]() {
    console.log("disposed");
  }
}), "def"), zs = ke({
  args: {},
  handler: /* @__PURE__ */ n(() => {
    using e = Tr();
  }, "handler")
I hardcoded the target to es2020 (locally in the convex cli in node_modules) and re-bundled & pushed the function which.. "worked", though wondering if there's an 'easy'/intended option to do that. with es2020: 
var un = /* @__PURE__ */ n(() => ({
  [Symbol.dispose]() {
    console.log("disposed");
  }
}), "def"), $i = xt({
  args: {},
  handler: /* @__PURE__ */ n(() => {
    var e = [];
    try {
      let t = At(e, un());
    } catch (r) {
      var o = r, s = !0;
    } finally {
      Et(e, o, s);
    }
  }, "handler")
var un = /* @__PURE__ */ n(() => ({
  [Symbol.dispose]() {
    console.log("disposed");
  }
}), "def"), $i = xt({
  args: {},
  handler: /* @__PURE__ */ n(() => {
    var e = [];
    try {
      let t = At(e, un());
    } catch (r) {
      var o = r, s = !0;
    } finally {
      Et(e, o, s);
    }
  }, "handler")
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