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Better argument handling and defaults

This commit is contained in:
Egil Moeller 2012-03-27 22:23:28 +02:00
parent d0ad90456e
commit 12600446c2
1 changed files with 15 additions and 3 deletions
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18
src/static/js/pluginfw/hooks.js
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@ -7,12 +7,18 @@ if (plugins.isClient) {
var async = require("async");
}
exports.bubbleExceptions = true
var hookCallWrapper = function (hook, hook_name, args, cb) {
if (cb === undefined) cb = function (x) { return x; };
try {
if (exports.bubbleExceptions) {
return hook.hook_fn(hook_name, args, cb);
} catch (ex) {
console.error([hook_name, hook.part.full_name, ex.stack || ex]);
} else {
try {
return hook.hook_fn(hook_name, args, cb);
} catch (ex) {
console.error([hook_name, hook.part.full_name, ex.stack || ex]);
}
}
}
@ -33,6 +39,7 @@ exports.flatten = function (lst) {
}
exports.callAll = function (hook_name, args) {
if (!args) args = {};
if (plugins.hooks[hook_name] === undefined) return [];
return exports.flatten(plugins.hooks[hook_name].map(function (hook) {
return hookCallWrapper(hook, hook_name, args);
@ -40,6 +47,8 @@ exports.callAll = function (hook_name, args) {
}
exports.aCallAll = function (hook_name, args, cb) {
if (!args) args = {};
if (!cb) cb = function () {};
if (plugins.hooks[hook_name] === undefined) return cb(null, []);
async.map(
plugins.hooks[hook_name],
@ -53,11 +62,14 @@ exports.aCallAll = function (hook_name, args, cb) {
}
exports.callFirst = function (hook_name, args) {
if (!args) args = {};
if (plugins.hooks[hook_name][0] === undefined) return [];
return exports.flatten(hookCallWrapper(plugins.hooks[hook_name][0], hook_name, args));
}
exports.aCallFirst = function (hook_name, args, cb) {
if (!args) args = {};
if (!cb) cb = function () {};
if (plugins.hooks[hook_name][0] === undefined) return cb(null, []);
hookCallWrapper(plugins.hooks[hook_name][0], hook_name, args, function (res) { cb(null, exports.flatten(res)); });
}