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Issue 29375899: Issue 4871 - Start using ESLint for adblockplusui (Closed)
Patch Set: Rebased. Created March 7, 2017, 12:55 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-2016 Eyeo GmbH 3 * Copyright (C) 2006-2016 Eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details. 12 * GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
16 */ 16 */
17 17
18 (function(global) 18 "use strict";
19
19 { 20 {
20 if (!global.ext) 21 if (typeof ext == "undefined")
21 global.ext = {}; 22 window.ext = {};
22 23
23 function Page(source) 24 function Page(source)
24 { 25 {
25 this._source = source; 26 this._source = source;
26 } 27 }
27 Page.prototype = 28 Page.prototype =
28 { 29 {
29 sendMessage: function(message) 30 sendMessage(message)
30 { 31 {
31 this._source.postMessage({ 32 this._source.postMessage({
32 type: "message", 33 type: "message",
33 messageId: -1, 34 messageId: -1,
34 payload: message 35 payload: message
35 }, "*"); 36 }, "*");
36 } 37 }
37 }; 38 };
38 39
39 global.ext.Page = Page; 40 window.ext.Page = Page;
40 41
41 /* Message passing */ 42 /* Message passing */
42 43
43 global.ext.onMessage = 44 window.ext.onMessage =
44 { 45 {
45 addListener: function(listener) 46 addListener(listener)
46 { 47 {
47 listener._extWrapper = function(event) 48 listener._extWrapper = function(event)
48 { 49 {
49 if (event.data.type != "message") 50 if (event.data.type != "message")
50 return; 51 return;
51 52
52 var message = event.data.payload; 53 let {messageId} = event.data;
53 var messageId = event.data.messageId; 54 let sender = {
54 var sender = {
55 page: new Page(event.source) 55 page: new Page(event.source)
56 }; 56 };
57 var callback = function(message) 57 let callback = function(message)
58 { 58 {
59 event.source.postMessage({ 59 event.source.postMessage({
60 type: "response", 60 type: "response",
61 messageId: messageId, 61 messageId,
62 payload: message 62 payload: message
63 }, "*"); 63 }, "*");
64 }; 64 };
65 listener(message, sender, callback); 65 listener(event.data.payload, sender, callback);
66 }; 66 };
67 window.addEventListener("message", listener._extWrapper, false); 67 window.addEventListener("message", listener._extWrapper, false);
68 }, 68 },
69 69
70 removeListener: function(listener) 70 removeListener(listener)
71 { 71 {
72 if ("_extWrapper" in listener) 72 if ("_extWrapper" in listener)
73 window.removeEventListener("message", listener._extWrapper, false); 73 window.removeEventListener("message", listener._extWrapper, false);
74 } 74 }
75 }; 75 };
76 76
77 /* I18n */ 77 /* I18n */
78 78
79 var getLocaleCandidates = function(selectedLocale) 79 let getLocaleCandidates = function(selectedLocale)
80 { 80 {
81 var candidates = []; 81 let candidates = [];
82 var defaultLocale = "en-US"; 82 let defaultLocale = "en-US";
83 83
84 // e.g. "ja-jp-mac" -> "ja-JP", note that the part after the second 84 // e.g. "ja-jp-mac" -> "ja-JP", note that the part after the second
85 // dash is dropped, since we only support language and region 85 // dash is dropped, since we only support language and region
86 var parts = selectedLocale.split("-"); 86 let parts = selectedLocale.split("-");
87 var language = parts[0]; 87 let language = parts[0];
88 var region = (parts[1] || "").toUpperCase(); 88 let region = (parts[1] || "").toUpperCase();
89 89
90 if (region) 90 if (region)
91 candidates.push(language + "-" + region); 91 candidates.push(language + "-" + region);
92 92
93 candidates.push(language); 93 candidates.push(language);
94 94
95 if (candidates.indexOf(defaultLocale) == -1) 95 if (candidates.indexOf(defaultLocale) == -1)
96 candidates.push(defaultLocale); 96 candidates.push(defaultLocale);
97 97
98 return candidates; 98 return candidates;
99 }; 99 };
100 100
101 var initCatalog = function(uiLocale) 101 let initCatalog = function(uiLocale)
102 { 102 {
103 var bidiDir = /^(ar|fa|he|ug|ur)(-|$)/.test(uiLocale) ? "rtl" : "ltr"; 103 let bidiDir = /^(ar|fa|he|ug|ur)(-|$)/.test(uiLocale) ? "rtl" : "ltr";
104 var catalog = Object.create(null); 104 let catalog = Object.create(null);
105 105
106 catalog["@@ui_locale"] = [uiLocale.replace(/-/g, "_"), []]; 106 catalog["@@ui_locale"] = [uiLocale.replace(/-/g, "_"), []];
107 catalog["@@bidi_dir" ] = [bidiDir, []]; 107 catalog["@@bidi_dir"] = [bidiDir, []];
108 108
109 return catalog; 109 return catalog;
110 }; 110 };
111 111
112 var selectedLocale = window.navigator.language; 112 let selectedLocale = window.navigator.language;
113 var match = /[?&]locale=([\w\-]+)/.exec(window.location.search); 113 let match = /[?&]locale=([\w-]+)/.exec(window.location.search);
114 if (match) 114 if (match)
115 selectedLocale = match[1]; 115 selectedLocale = match[1];
116 116
117 var locales = getLocaleCandidates(selectedLocale); 117 let locales = getLocaleCandidates(selectedLocale);
118 var catalog = initCatalog(locales[0]); 118 let catalog = initCatalog(locales[0]);
119 var catalogFile = window.location.pathname.replace(/.*\//, "").replace(/\..*/, "") + ".json"; 119 let catalogFile = window.location.pathname.replace(/.*\//, "").
120 replace(/\..*/, "") + ".json";
120 121
121 var replacePlaceholder = function(text, placeholder, content) 122 let replacePlaceholder = function(text, placeholder, content)
122 { 123 {
123 return text.split("$" + placeholder + "$").join(content || ""); 124 return text.split("$" + placeholder + "$").join(content || "");
124 }; 125 };
125 126
126 var parseMessage = function(rawMessage) 127 let parseMessage = function(rawMessage)
127 { 128 {
128 var text = rawMessage.message; 129 let text = rawMessage.message;
129 var placeholders = []; 130 let placeholders = [];
130 131
131 for (var placeholder in rawMessage.placeholders) 132 for (let placeholder in rawMessage.placeholders)
132 { 133 {
133 var content = rawMessage.placeholders[placeholder].content; 134 let {content} = rawMessage.placeholders[placeholder];
134 135
135 if (/^\$\d+$/.test(content)) 136 if (/^\$\d+$/.test(content))
136 placeholders[parseInt(content.substr(1), 10) - 1] = placeholder; 137 placeholders[parseInt(content.substr(1), 10) - 1] = placeholder;
137 else 138 else
138 text = replacePlaceholder(text, placeholder, content); 139 text = replacePlaceholder(text, placeholder, content);
139 } 140 }
140 141
141 return [text, placeholders]; 142 return [text, placeholders];
142 }; 143 };
143 144
144 var readCatalog = function(locale, catalogFile) 145 let readCatalog = function(locale, file)
145 { 146 {
146 var xhr = new XMLHttpRequest(); 147 let xhr = new XMLHttpRequest();
147 xhr.open("GET", "locale/" + locale + "/" + catalogFile, false); 148 xhr.open("GET", "locale/" + locale + "/" + file, false);
148 xhr.overrideMimeType("text/plain"); 149 xhr.overrideMimeType("text/plain");
149 150
150 try 151 try
151 { 152 {
152 xhr.send(); 153 xhr.send();
153 } 154 }
154 catch (e) 155 catch (e)
155 { 156 {
156 return; 157 return;
157 } 158 }
158 159
159 if (xhr.status != 200 && xhr.status != 0) 160 if (xhr.status != 200 && xhr.status != 0)
160 return; 161 return;
161 162
162 var rawCatalog = JSON.parse(xhr.responseText); 163 let rawCatalog = JSON.parse(xhr.responseText);
163 for (var msgId in rawCatalog) 164 for (let msgId in rawCatalog)
164 { 165 {
165 if (!(msgId in catalog)) 166 if (!(msgId in catalog))
166 catalog[msgId] = parseMessage(rawCatalog[msgId]); 167 catalog[msgId] = parseMessage(rawCatalog[msgId]);
167 } 168 }
168 }; 169 };
169 170
170 global.ext.i18n = { 171 window.ext.i18n = {
171 getMessage: function(msgId, substitutions) 172 getMessage(msgId, substitutions)
172 { 173 {
173 while (true) 174 while (true)
174 { 175 {
175 var message = catalog[msgId]; 176 let message = catalog[msgId];
176 if (message) 177 if (message)
177 { 178 {
178 var text = message[0]; 179 let text = message[0];
179 var placeholders = message[1]; 180 let placeholders = message[1];
180 181
181 if (!(substitutions instanceof Array)) 182 if (!(substitutions instanceof Array))
182 substitutions = [substitutions]; 183 substitutions = [substitutions];
183 184
184 for (var i = 0; i < placeholders.length; i++) 185 for (let i = 0; i < placeholders.length; i++)
185 text = replacePlaceholder(text, placeholders[i], substitutions[i]); 186 text = replacePlaceholder(text, placeholders[i], substitutions[i]);
186 187
187 return text; 188 return text;
188 } 189 }
189 190
190 if (locales.length == 0) 191 if (locales.length == 0)
191 return ""; 192 return "";
192 193
193 var locale = locales.shift(); 194 let locale = locales.shift();
194 readCatalog(locale, "common.json"); 195 readCatalog(locale, "common.json");
195 readCatalog(locale, catalogFile); 196 readCatalog(locale, catalogFile);
196 } 197 }
197 } 198 }
198 }; 199 };
199 })(this); 200 }
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