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This repository was archived by the owner on Jan 27, 2019. It is now read-only.

Commit 5e30fc8

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author
Ryan Soury
committed
maintained spacing
1 parent a78cf9c commit 5e30fc8

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-142
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‎index.js‎

Lines changed: 139 additions & 142 deletions
Original file line numberDiff line numberDiff line change
@@ -16,146 +16,143 @@ var getLinkContents = require("./utils/get-link-contents");
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var createLink = require("./utils/create-link");
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module.exports = function(url, options, html) {
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var deferred = q.defer();
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var options = options || {};
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options.headers = options.headers || {};
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options.headers["User-Agent"] = options.headers["User-Agent"] || ua;
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options.timeout = options.timeout || 5000;
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options.gzip = true;
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if (typeof url !== "string" || isBlank(url) || !isUrl(url)) {
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throw new TypeError("get-css expected a url as a string");
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}
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url = normalizeUrl(url, { stripWWW: false });
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options.url = url;
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if (options.ignoreCerts) {
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process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
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}
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var status = {
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parsed: 0,
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total: 0
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};
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var result = {
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links: [],
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styles: [],
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css: ""
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};
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function handleResolve() {
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if (status.parsed >= status.total) {
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deferred.resolve(result);
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}
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}
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function parseHtml(html) {
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var $ = cheerio.load(html);
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result.pageTitle = $("head > title").text();
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$("[rel=stylesheet]").each(function() {
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var link = $(this).attr("href");
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if (isPresent(link)) {
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result.links.push(createLink(link, url));
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} else {
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result.styles.push(stripHtmlComments($(this).text()));
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}
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});
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$("style").each(function() {
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result.styles.push(stripHtmlComments($(this).text()));
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});
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status.total = result.links.length + result.styles.length;
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if (!status.total) {
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deferred.resolve(false);
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}
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result.links.forEach(function(link) {
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getLinkContents(link.url, options)
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.then(function(css) {
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handleCssFromLink(link, css);
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})
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.catch(function(error) {
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link.error = error;
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status.parsed++;
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handleResolve();
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});
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});
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result.styles.forEach(function(css) {
89-
result.css += css;
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status.parsed++;
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handleResolve();
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});
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}
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function handleCssFromLink(link, css) {
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link.css += css;
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parseCssForImports(link, css);
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status.parsed++;
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handleResolve();
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}
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// Handle potential @import url(foo.css) statements in the CSS.
105-
function parseCssForImports(link, css) {
106-
link.imports = resolveCssImportUrls(link.url, css);
107-
status.total += link.imports.length;
108-
result.css += css;
109-
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link.imports.forEach(function(importUrl) {
111-
var importLink = createLink(importUrl, importUrl);
112-
result.links.push(importLink);
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getLinkContents(importLink.url, options)
115-
.then(function(css) {
116-
handleCssFromLink(importLink, css);
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})
118-
.catch(function(error) {
119-
link.error = error;
120-
status.parsed++;
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handleResolve();
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});
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});
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}
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function handleBody(body) {
127-
if (isCss(url)) {
128-
var link = createLink(url, url);
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result.links.push(link);
130-
handleCssFromLink(link, body);
131-
} else {
132-
parseHtml(body);
133-
}
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}
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if (html) {
137-
handleBody(html);
138-
} else {
139-
request(options, function(error, response, body) {
140-
if (error) {
141-
if (options.verbose)
142-
console.log("Error from " + url + " " + error);
143-
deferred.reject(error);
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return;
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}
146-
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if (response && response.statusCode != 200) {
148-
if (options.verbose)
149-
console.log(
150-
"Received a " + response.statusCode + " from: " + url
151-
);
152-
deferred.reject({ url: url, statusCode: response.code });
153-
return;
154-
}
155-
156-
handleBody(body);
157-
});
158-
}
159-
160-
return deferred.promise;
19+
var deferred = q.defer();
20+
var options = options || {};
21+
options.headers = options.headers || {};
22+
options.headers["User-Agent"] = options.headers["User-Agent"] || ua;
23+
options.timeout = options.timeout || 5000;
24+
options.gzip = true;
25+
26+
if (typeof url !== "string" || isBlank(url) || !isUrl(url)) {
27+
throw new TypeError("get-css expected a url as a string");
28+
}
29+
30+
url = normalizeUrl(url, { stripWWW: false });
31+
options.url = url;
32+
33+
if (options.ignoreCerts) {
34+
process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
35+
}
36+
37+
var status = {
38+
parsed: 0,
39+
total: 0
40+
};
41+
42+
var result = {
43+
links: [],
44+
styles: [],
45+
css: ""
46+
};
47+
48+
function handleResolve() {
49+
if (status.parsed >= status.total) {
50+
deferred.resolve(result);
51+
}
52+
}
53+
54+
function parseHtml(html) {
55+
var $ = cheerio.load(html);
56+
result.pageTitle = $("head > title").text();
57+
58+
$("[rel=stylesheet]").each(function() {
59+
var link = $(this).attr("href");
60+
if (isPresent(link)) {
61+
result.links.push(createLink(link, url));
62+
} else {
63+
result.styles.push(stripHtmlComments($(this).text()));
64+
}
65+
});
66+
67+
$("style").each(function() {
68+
result.styles.push(stripHtmlComments($(this).text()));
69+
});
70+
71+
status.total = result.links.length + result.styles.length;
72+
if (!status.total) {
73+
deferred.resolve(false);
74+
}
75+
76+
result.links.forEach(function(link) {
77+
getLinkContents(link.url, options)
78+
.then(function(css) {
79+
handleCssFromLink(link, css);
80+
})
81+
.catch(function(error) {
82+
link.error = error;
83+
status.parsed++;
84+
handleResolve();
85+
});
86+
});
87+
88+
result.styles.forEach(function(css) {
89+
result.css += css;
90+
status.parsed++;
91+
handleResolve();
92+
});
93+
}
94+
95+
function handleCssFromLink(link, css) {
96+
link.css += css;
97+
98+
parseCssForImports(link, css);
99+
100+
status.parsed++;
101+
handleResolve();
102+
}
103+
104+
// Handle potential @import url(foo.css) statements in the CSS.
105+
function parseCssForImports(link, css) {
106+
link.imports = resolveCssImportUrls(link.url, css);
107+
status.total += link.imports.length;
108+
result.css += css;
109+
110+
link.imports.forEach(function(importUrl) {
111+
var importLink = createLink(importUrl, importUrl);
112+
result.links.push(importLink);
113+
114+
getLinkContents(importLink.url, options)
115+
.then(function(css) {
116+
handleCssFromLink(importLink, css);
117+
})
118+
.catch(function(error) {
119+
link.error = error;
120+
status.parsed++;
121+
handleResolve();
122+
});
123+
});
124+
}
125+
126+
function handleBody(body) {
127+
if (isCss(url)) {
128+
var link = createLink(url, url);
129+
result.links.push(link);
130+
handleCssFromLink(link, body);
131+
} else {
132+
parseHtml(body);
133+
}
134+
}
135+
136+
if (html) {
137+
handleBody(html);
138+
} else {
139+
request(options, function(error, response, body) {
140+
if (error) {
141+
if (options.verbose) console.log("Error from " + url + " " + error);
142+
deferred.reject(error);
143+
return;
144+
}
145+
146+
if (response && response.statusCode != 200) {
147+
if (options.verbose)
148+
console.log("Received a " + response.statusCode + " from: " + url);
149+
deferred.reject({ url: url, statusCode: response.code });
150+
return;
151+
}
152+
153+
handleBody(body);
154+
});
155+
}
156+
157+
return deferred.promise;
161158
};

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