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The Big Renaming - etherpad is now an NPM module

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Egil Moeller 2012-02-26 13:07:51 +01:00
parent 1955bdec9a
commit 1239ce7f28
116 changed files with 9721 additions and 30 deletions
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58
src/node/pluginfw/hooks.js Normal file
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var plugins = require("./plugins");
var async = require("async");
var hookCallWrapper = function (hook, hook_name, args, cb) {
if (cb === undefined) cb = function (x) { return x; };
try {
return hook.hook_fn(hook_name, args, cb);
} catch (ex) {
console.error([hook_name, hook.part.full_name, ex]);
}
}
/* Don't use Array.concat as it flatterns arrays within the array */
exports.flatten = function (lst) {
var res = [];
if (lst != undefined && lst != null) {
for (var i = 0; i < lst.length; i++) {
if (lst[i] != undefined && lst[i] != null) {
for (var j = 0; j < lst[i].length; j++) {
res.push(lst[i][j]);
}
}
}
}
return res;
}
exports.callAll = function (hook_name, args) {
if (plugins.hooks[hook_name] === undefined) return [];
return exports.flatten(plugins.hooks[hook_name].map(function (hook) {
return hookCallWrapper(hook, hook_name, args);
}));
}
exports.aCallAll = function (hook_name, args, cb) {
if (plugins.hooks[hook_name] === undefined) cb([]);
async.map(
plugins.hooks[hook_name],
function (hook, cb) {
hookCallWrapper(hook, hook_name, args, function (res) { cb(null, res); });
},
function (err, res) {
cb(exports.flatten(res));
}
);
}
exports.callFirst = function (hook_name, 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 (plugins.hooks[hook_name][0] === undefined) cb([]);
hookCallWrapper(plugins.hooks[hook_name][0], hook_name, args, function (res) { cb(exports.flatten(res)); });
}