24 lines
647 B
JavaScript

const path = require("path");
// eslint-disable-next-line import/no-extraneous-dependencies
const template = require("@babel/template").default;
const helpers = require("../../lib/helpers.js").default;
function getHelperId(dir, name) {
const testName = path.basename(dir);
return `_$_${testName}_${name}`;
}
module.exports = function defineHelper(dir, name, code) {
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;
};