42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var assert = require('assert');
|
||
|
|
|
||
|
|
function isFunction(fn) {
|
||
|
|
return typeof fn === 'function';
|
||
|
|
}
|
||
|
|
|
||
|
|
function isConstructor(registry) {
|
||
|
|
if (!(registry && registry.prototype)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
var hasProtoGet = isFunction(registry.prototype.get);
|
||
|
|
var hasProtoSet = isFunction(registry.prototype.set);
|
||
|
|
var hasProtoInit = isFunction(registry.prototype.init);
|
||
|
|
var hasProtoTasks = isFunction(registry.prototype.tasks);
|
||
|
|
|
||
|
|
if (hasProtoGet || hasProtoSet || hasProtoInit || hasProtoTasks) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function validateRegistry(registry) {
|
||
|
|
try {
|
||
|
|
assert(isFunction(registry.get), 'Custom registry must have `get` function');
|
||
|
|
assert(isFunction(registry.set), 'Custom registry must have `set` function');
|
||
|
|
assert(isFunction(registry.init), 'Custom registry must have `init` function');
|
||
|
|
assert(isFunction(registry.tasks), 'Custom registry must have `tasks` function');
|
||
|
|
} catch (err) {
|
||
|
|
if (isConstructor(registry)) {
|
||
|
|
assert(false, 'Custom registries must be instantiated, but it looks like you passed a constructor');
|
||
|
|
} else {
|
||
|
|
throw err;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = validateRegistry;
|