27 lines
589 B
JavaScript

import path from "path";
import template from "@babel/template";
import helpers from "../../lib/helpers";
function getHelperId(dir, name) {
const testName = path.basename(dir);
return `_$_${testName}_${name}`;
}
export default function defineHelper(
dir: string,
name: string,
code: string,
): string {
const id = getHelperId(dir, name);
if (id in helpers) {
throw new Error(`The ${id} helper is already defined.`);
}
Object.defineProperty(helpers, id, {
value: {
minVersion: "7.0.0-beta.0",
ast: template.program(code),
},
});
return id;
}