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postinstall.js
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postinstall.js
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#!/usr/bin/env node
"use strict";
var fs = require("fs"),
url = require("url"),
path = require("path"),
http = require("http");
var depDir = path.join(__dirname, "..", "dep");
var YUI_TEST_URL = "http://yui.yahooapis.com/combo?3.5.1/build/yui-base/yui-base-min.js&3.5.1/build/oop/oop-min.js&3.5.1/build/event-custom-base/event-custom-base-min.js&3.5.1/build/event-base/event-base-min.js&3.5.1/build/event-simulate/event-simulate-min.js&3.5.1/build/event-custom-complex/event-custom-complex-min.js&3.5.1/build/substitute/substitute-min.js&3.5.1/build/json-stringify/json-stringify-min.js&3.5.1/build/test/test-min.js";
function log() {
if (process.env.npm_config_loglevel !== "silent") {
console.log.apply(null, Array.prototype.slice.call(arguments));
}
}
function die(message) {
console.warn(message.message || message);
process.exit(1);
}
function saveURLToDep(sourceURL, filename, cb) {
filename = path.join(depDir, filename);
function done() {
log("Saved", sourceURL, "as", filename);
}
log("Saving", sourceURL, "as", filename);
http.get(url.parse(sourceURL), function onResponse(res) {
if (res.statusCode !== 200) {
die("Got status " + res.statusCode + " for URL " + sourceURL);
return;
}
var data;
res.setEncoding("utf8");
res.on("data", function (chunk) {
data += chunk;
});
res.on("end", function () {
fs.writeFile(filename, data, "utf8", done);
});
}).on("error", die);
}
function download(err) {
if (err) {
die(err);
}
[
[YUI_TEST_URL, "yui-test.js"]
// When SockJS lands, we'll be downloading it here:
// ["http://cdn.sockjs.org/sockjs-0.3.min.js", "sock.js"]
].forEach(function downloader(args) {
saveURLToDep.apply(null, args);
});
}
log("Downloading script dependencies...");
fs.readdir(depDir, function (err) {
if (err) {
log("Attempting to create directory", depDir);
fs.mkdir(depDir, download);
} else {
log("Found directory", depDir);
download();
}
});
var history;
fs.readFile(path.join(__dirname, "..", "HISTORY.md"), "utf8", function (err, data) {
history = data.split("\n").slice(2, 20).join("\n");
process.on("exit", function () {
log("\nThanks for installing Yeti", process.env.npm_package_version);
log("\nRecent changes in HISTORY.md:\n\n" + history);
});
});