1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
var npm = require("npm/lib/npm.js");
var readInstalled = require("./read-installed.js");
var relativize = require("npm/lib/utils/relativize.js");
var readJson = require("npm/lib/utils/read-json.js");
var path = require("path");
var async = require("async");
var fs = require("fs");
var tsort = require("./tsort");
var util = require("util");
var _ = require("underscore");
var pluginUtils = require('./shared');
exports.prefix = 'ep_';
exports.loaded = false;
exports.plugins = {};
exports.parts = [];
exports.hooks = {};
exports.ensure = function (cb) {
if (!exports.loaded)
exports.update(cb);
else
cb();
};
exports.formatPlugins = function () {
return _.keys(exports.plugins).join(", ");
};
exports.formatParts = function () {
return _.map(exports.parts, function (part) { return part.full_name; }).join("\n");
};
exports.formatHooks = function (hook_set_name) {
var res = [];
var hooks = pluginUtils.extractHooks(exports.parts, hook_set_name || "hooks");
_.chain(hooks).keys().forEach(function (hook_name) {
_.forEach(hooks[hook_name], function (hook) {
res.push("<dt>" + hook.hook_name + "</dt><dd>" + hook.hook_fn_name + " from " + hook.part.full_name + "</dd>");
});
});
return "<dl>" + res.join("\n") + "</dl>";
};
exports.callInit = function (cb) {
var hooks = require("./hooks");
async.map(
Object.keys(exports.plugins),
function (plugin_name, cb) {
var plugin = exports.plugins[plugin_name];
fs.stat(path.normalize(path.join(plugin.package.path, ".ep_initialized")), function (err, stats) {
if (err) {
async.waterfall([
function (cb) { fs.writeFile(path.normalize(path.join(plugin.package.path, ".ep_initialized")), 'done', cb); },
function (cb) { hooks.aCallAll("init_" + plugin_name, {}, cb); },
cb,
]);
} else {
cb();
}
});
},
function () { cb(); }
);
}
exports.pathNormalization = function (part, hook_fn_name) {
return path.normalize(path.join(path.dirname(exports.plugins[part.plugin].package.path), hook_fn_name));
}
exports.update = function (cb) {
exports.getPackages(function (er, packages) {
var parts = [];
var plugins = {};
// Load plugin metadata ep.json
async.forEach(
Object.keys(packages),
function (plugin_name, cb) {
loadPlugin(packages, plugin_name, plugins, parts, cb);
},
function (err) {
if (err) cb(err);
exports.plugins = plugins;
exports.parts = sortParts(parts);
exports.hooks = pluginUtils.extractHooks(exports.parts, "hooks", exports.pathNormalization);
exports.loaded = true;
exports.callInit(cb);
}
);
});
};
exports.getPackages = function (cb) {
// Load list of installed NPM packages, flatten it to a list, and filter out only packages with names that
var dir = path.resolve(npm.dir, '..');
readInstalled(dir, function (er, data) {
if (er) cb(er, null);
var packages = {};
function flatten(deps) {
_.chain(deps).keys().each(function (name) {
if (name.indexOf(exports.prefix) === 0) {
packages[name] = _.clone(deps[name]);
// Delete anything that creates loops so that the plugin
// list can be sent as JSON to the web client
delete packages[name].dependencies;
delete packages[name].parent;
}
if (deps[name].dependencies !== undefined) flatten(deps[name].dependencies);
});
}
var tmp = {};
tmp[data.name] = data;
flatten(tmp);
cb(null, packages);
});
};
function loadPlugin(packages, plugin_name, plugins, parts, cb) {
var plugin_path = path.resolve(packages[plugin_name].path, "ep.json");
fs.readFile(
plugin_path,
function (er, data) {
if (er) {
console.error("Unable to load plugin definition file " + plugin_path);
return cb();
}
try {
var plugin = JSON.parse(data);
plugin['package'] = packages[plugin_name];
plugins[plugin_name] = plugin;
_.each(plugin.parts, function (part) {
part.plugin = plugin_name;
part.full_name = plugin_name + "/" + part.name;
parts[part.full_name] = part;
});
} catch (ex) {
console.error("Unable to parse plugin definition file " + plugin_path + ": " + ex.toString());
}
cb();
}
);
}
function partsToParentChildList(parts) {
var res = [];
_.chain(parts).keys().forEach(function (name) {
_.each(parts[name].post || [], function (child_name) {
res.push([name, child_name]);
});
_.each(parts[name].pre || [], function (parent_name) {
res.push([parent_name, name]);
});
if (!parts[name].pre && !parts[name].post) {
res.push([name, ":" + name]); // Include apps with no dependency info
}
});
return res;
}
// Used only in Node, so no need for _
function sortParts(parts) {
return tsort(
partsToParentChildList(parts)
).filter(
function (name) { return parts[name] !== undefined; }
).map(
function (name) { return parts[name]; }
);
}
|
