Skip to content

Adding backwards compatibility with JSON #40

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
saga-dasgupta wants to merge 1 commit into from
Closed

Adding backwards compatibility with JSON #40

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 17 additions & 7 deletions run.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,27 +2,37 @@ export type UserFunction<Input extends {}, Output extends {}> = (
input: Input
) => Output;

interface Javy {
JSON: {
fromStdin(): any;
toStdout(val: any);
}
}

interface ShopifyFunction {
readInput(): any;
writeOutput(val: any);
}

declare global {
const Javy: Javy;
const ShopifyFunction: ShopifyFunction;
}

export default function <I extends {}, O extends {}>(
userfunction: UserFunction<I, O>
) {
try {
ShopifyFunction;
} catch (e) {
if (Javy.JSON) {
const input_obj = Javy.JSON.fromStdin();
const output_obj = userfunction(input_obj);
Javy.JSON.toStdout(output_obj);
} else if (ShopifyFunction) {
const input_obj = ShopifyFunction.readInput();
const output_obj = userfunction(input_obj);
ShopifyFunction.writeOutput(output_obj);
} else {
throw new Error(
"ShopifyFunction is not defined. Please rebuild your function using the latest version of Shopify CLI."
);
}

const input_obj = ShopifyFunction.readInput();
const output_obj = userfunction(input_obj);
ShopifyFunction.writeOutput(output_obj);
}