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