llalaad/node_modules/before-after-hook/lib/add.js

47 lines
964 B
JavaScript

// @ts-check
export function addHook(state, kind, name, hook) {
const orig = hook;
if (!state.registry[name]) {
state.registry[name] = [];
}
if (kind === "before") {
hook = (method, options) => {
return Promise.resolve()
.then(orig.bind(null, options))
.then(method.bind(null, options));
};
}
if (kind === "after") {
hook = (method, options) => {
let result;
return Promise.resolve()
.then(method.bind(null, options))
.then((result_) => {
result = result_;
return orig(result, options);
})
.then(() => {
return result;
});
};
}
if (kind === "error") {
hook = (method, options) => {
return Promise.resolve()
.then(method.bind(null, options))
.catch((error) => {
return orig(error, options);
});
};
}
state.registry[name].push({
hook: hook,
orig: orig,
});
}