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var _ = require("underscore");
function loadFn(path, hookName) {
var functionName
, parts = path.split(":");
// on windows: C:\foo\bar:xyz
if (parts[0].length == 1) {
if (parts.length == 3) {
functionName = parts.pop();
}
path = parts.join(":");
} else {
path = parts[0];
functionName = parts[1];
}
var fn = require(path);
functionName = functionName ? functionName : hookName;
_.each(functionName.split("."), function (name) {
fn = fn[name];
});
return fn;
};
function extractHooks(parts, hook_set_name, normalizer) {
var hooks = {};
_.each(parts,function (part) {
_.chain(part[hook_set_name] || {})
.keys()
.each(function (hook_name) {
if (hooks[hook_name] === undefined) hooks[hook_name] = [];
var hook_fn_name = part[hook_set_name][hook_name];
/* On the server side, you can't just
* require("pluginname/whatever") if the plugin is installed as
* a dependency of another plugin! Bah, pesky little details of
* npm... */
if (normalizer) {
hook_fn_name = normalizer(part, hook_fn_name);
}
try {
var hook_fn = loadFn(hook_fn_name, hook_name);
if (!hook_fn) {
throw "Not a function";
}
} catch (exc) {
console.error("Failed to load '" + hook_fn_name + "' for '" + part.full_name + "/" + hook_set_name + "/" + hook_name + "': " + exc.toString())
}
if (hook_fn) {
hooks[hook_name].push({"hook_name": hook_name, "hook_fn": hook_fn, "hook_fn_name": hook_fn_name, "part": part});
}
});
});
return hooks;
};
exports.extractHooks = extractHooks;
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