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Restructuring of some code to make it more readable

pull/528/head
Egil Moeller 2012-02-24 19:02:56 +01:00
parent 38e62274bc
commit 168f481980
1 changed files with 58 additions and 44 deletions
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102
node/pluginfw/plugins.js
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@ -30,69 +30,74 @@ exports.update = function (cb) {
});
}
exports.loadFn = function (path) {
var x = path.split(":");
var fn = require(x[0]);
x[1].split(".").forEach(function (name) {
fn = fn[name];
exports.getPlugins = function (cb) {
exports.getPackages(function (er, packages) {
var parts = {};
var plugins = {};
// Load plugin metadata pluginomatic.json
async.forEach(
Object.keys(packages),
function (plugin_name, cb) {
exports.loadPlugin(packages, plugin_name, plugins, parts, cb);
},
function (err) {
parts = exports.sortParts(parts);
var hooks = exports.extractHooks(parts);
cb(err, plugins, parts, hooks);
}
);
});
return fn;
}
exports.getPlugins = function (cb) {
exports.getPackages = function (cb) {
// Load list of installed NPM packages, flatten it to a list, and filter out only packages with names that
// ../.. and not just .. because current dir is like ETHERPAD_ROOT/node/node_modules (!!!!)
var dir = path.resolve(npm.dir, "../..")
readInstalled(dir, function (er, data) {
var plugins = {};
var parts = {};
if (er) cb(er, null);
var packages = {};
function flatten(deps) {
Object.keys(deps).forEach(function (name) {
if (name.indexOf(exports.prefix) == 0) {
plugins[name] = deps[name];
packages[name] = deps[name];
}
if (deps[name].dependencies !== undefined)
flatten(deps[name].dependencies);
});
}
flatten([data]);
// Load plugin metadata pluginomatic.json
async.forEach(
Object.keys(plugins),
function (plugin_name, cb) {
fs.readFile(
path.resolve(plugins[plugin_name].path, "pluginomatic.json"),
function (er, data) {
plugin = JSON.parse(data);
plugin.package = plugins[plugin_name];
plugins[plugin_name] = plugin;
plugin.parts.forEach(function (part) {
part.plugin = plugin;
part.full_name = plugin_name + "/" + part.name;
parts[part.full_name] = part;
});
cb();
}
);
},
function (err) {
parts = exports.sortParts(parts);
var hooks = {};
parts.forEach(function (part) {
Object.keys(part.hooks || {}).forEach(function (hook_name) {
if (hooks[hook_name] === undefined) hooks[hook_name] = [];
var hook_fn_name = part.hooks[hook_name];
hooks[hook_name].push({"hook": exports.loadFn(part.hooks[hook_name]), "part": part});
});
});
cb(err, plugins, parts, hooks);
}
);
cb(null, packages);
});
}
exports.extractHooks = function (parts) {
var hooks = {};
parts.forEach(function (part) {
Object.keys(part.hooks || {}).forEach(function (hook_name) {
if (hooks[hook_name] === undefined) hooks[hook_name] = [];
var hook_fn_name = part.hooks[hook_name];
hooks[hook_name].push({"hook": exports.loadFn(part.hooks[hook_name]), "part": part});
});
});
return hooks;
}
exports.loadPlugin = function (packages, plugin_name, plugins, parts, cb) {
fs.readFile(
path.resolve(packages[plugin_name].path, "pluginomatic.json"),
function (er, data) {
var plugin = JSON.parse(data);
plugin.package = packages[plugin_name];
plugin.parts.forEach(function (part) {
part.plugin = plugin;
part.full_name = plugin_name + "/" + part.name;
parts[part.full_name] = part;
});
cb();
}
);
}
exports.partsToParentChildList = function (parts) {
var res = [];
Object.keys(parts).forEach(function (name) {
@ -118,3 +123,12 @@ exports.sortParts = function(parts) {
function (name) { return parts[name]; }
);
};
exports.loadFn = function (path) {
var x = path.split(":");
var fn = require(x[0]);
x[1].split(".").forEach(function (name) {
fn = fn[name];
});
return fn;
}