56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
exports.Hookable = Hookable;
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function Hookable() {
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// hookable class
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};
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Hookable.afterInitialize = null;
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Hookable.beforeValidate = null;
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Hookable.afterValidate = null;
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Hookable.beforeSave = null;
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Hookable.afterSave = null;
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Hookable.beforeCreate = null;
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Hookable.afterCreate = null;
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Hookable.beforeUpdate = null;
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Hookable.afterUpdate = null;
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Hookable.beforeDestroy = null;
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Hookable.afterDestroy = null;
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Hookable.prototype.trigger = function trigger(actionName, work, data) {
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var capitalizedName = capitalize(actionName);
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var beforeHook = this.constructor["before" + capitalizedName];
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var afterHook = this.constructor["after" + capitalizedName];
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if (actionName === 'validate') {
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beforeHook = beforeHook || this.constructor.beforeValidation;
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afterHook = afterHook || this.constructor.afterValidation;
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}
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var inst = this;
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// we only call "before" hook when we have actual action (work) to perform
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if (work) {
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if (beforeHook) {
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// before hook should be called on instance with one param: callback
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beforeHook.call(inst, function () {
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// actual action also have one param: callback
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work.call(inst, next);
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}, data);
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} else {
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work.call(inst, next);
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}
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} else {
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next();
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}
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function next(done) {
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if (afterHook) {
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afterHook.call(inst, done);
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} else if (done) {
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done.call(this);
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}
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}
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};
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function capitalize(string) {
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return string.charAt(0).toUpperCase() + string.slice(1);
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}
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