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1 title=Coding Style | 1 title=Coding Style |
2 | 2 |
3 | 3 |
4 <h2 id="precedence">{{s1 Precedence}}</h2> | 4 <h2 id="precedence">{{s1 Precedence}}</h2> |
5 | 5 |
6 <p>{{s2 The Adblock Plus coding style is based on others. Our rules (both genera l and language specific) always overrule referenced style guides. The language s pecific sections overrule the general section.}}</p> | 6 <p>{{s2 The Adblock Plus coding style is based on others. Our rules (both genera l and language specific) always overrule referenced style guides. The language s pecific sections overrule the general section.}}</p> |
7 | 7 |
8 <h2 id="consistency">{{s3 Consistency}}</h2> | 8 <h2 id="consistency">{{s3 Consistency}}</h2> |
9 | 9 |
10 <p>{{s4 Consistency is most important: Be consistent within functions, files, mo dules and projects. Making existing code conform with this style guide is fine, but it should happen in dedicated commits, preferably for a whole module or proj ect at once.}}</p> | 10 <p>{{s4 Consistency is most important: Be consistent within functions, files, mo dules and projects. Making existing code conform with this style guide is fine, but it should happen in dedicated commits, preferably for a whole module or proj ect at once.}}</p> |
11 | 11 |
12 <h2 id="general">{{s5 General}}</h2> | 12 <h2 id="general">{{s5 General}}</h2> |
13 <ul> | 13 <ul> |
14 <li>{{s6 Follow the Mozilla Coding Style's <a href="https://developer.mozilla. org/en-US/docs/Developer_Guide/Coding_Style#General_C.2FC.2B.2B_Practices">gener al practices</a> and its <a href="https://developer.mozilla.org/en-US/docs/Devel oper_Guide/Coding_Style#Naming_and_Formatting_code">naming and formatting rules< /a>.}}</li> | 14 <li>{{s6 Follow the Mozilla Coding Style's <a href="https://developer.mozilla. org/en-US/docs/Developer_Guide/Coding_Style#General_C.2FC.2B.2B_Practices">gener al practices</a> and its <a href="https://developer.mozilla.org/en-US/docs/Devel oper_Guide/Coding_Style#Naming_and_Formatting_code">naming and formatting rules< /a>.}}</li> |
15 <li>{{s8 All files should have a <a href="license-headers">license header</a>, but no mode line comments.}}</li> | 15 <li>{{s8 All files should have a <a href="license-headers">license header</a>, but no mode line comments.}}</li> |
16 <li>{{s9 Newline at end of file, otherwise no trailing whitespace.}}</li> | 16 <li>{{s9 Newline at end of file, otherwise no trailing whitespace.}}</li> |
17 <li>{{s10 Lines can be longer than the limit, if limiting line length would hu rt readability in a particular case.}}</li> | 17 <li>{{s10 Lines can be longer than the limit, if limiting line length would hu rt readability in a particular case.}}</li> |
18 <li>{{s11 Opening braces always go on their own line.}}</li> | 18 <li>{{s11 Opening braces always go on their own line.}}</li> |
19 <li>{{s12 No hungarian notation, no special variable name prefixes or suffixes denoting type or scope. All variable names start with a lower case letter.}}</l i> | 19 <li>{{s12 No hungarian notation, no special variable name prefixes or suffixes denoting type or scope. All variable names start with a lower case letter.}}</l i> |
20 <li>{{s13 Don't comment code out, delete it.}}</li> | 20 <li>{{s13 Don't comment code out, delete it.}}</li> |
21 <li>{{todo-comments Don't add TODO comments, create an <a href="https://issues .adblockplus.org">issue</a> and reference it in a comment instead.}}</li> | 21 <li>{{todo-comments Don't add TODO comments, create an <a href="https://issues .adblockplus.org">issue</a> and reference it in a comment instead.}}</li> |
22 </ul> | 22 </ul> |
23 | 23 |
24 <h2 id="javascript">{{s14 JavaScript}}</h2> | 24 <h2 id="javascript">{{s14 JavaScript}}</h2> |
25 <ul> | 25 <ul> |
26 <li>{{s15 Follow the Mozilla Coding Style's <a href="https://developer.mozilla .org/en-US/docs/Developer_Guide/Coding_Style#JavaScript_practices">JavaScript pr actices</a>.}}</li> | 26 <li>{{s15 Follow the Mozilla Coding Style's <a href="https://developer.mozilla .org/en-US/docs/Developer_Guide/Coding_Style#JavaScript_practices">JavaScript pr actices</a>.}}</li> |
27 <li>{{s16 Opening braces of object literals in don't go on their own line when that would cause a syntax error.}}</li> | 27 <li>{{javascript-strict Always use <a href="https://developer.mozilla.org/docs /Web/JavaScript/Reference/Strict_mode">strict mode</a>.}}</li> |
28 <li>{{s17 Use <code>bind()</code> to ensure the desired value of the <code>thi s</code> variable, don’t use temporary variables as a replacement.}}</li> | 28 <li>{{javascript-opening-braces Opening braces of object literals don't go on their own line when that would cause a syntax error.}}</li> |
29 <li>{{javascript-if-else-braces When an <code><fix>if</fix></code> statement, an <code><fix>else</fix></code> statement or a loop spans over more than one lin e always enclose it with braces. When an <code><fix>if</fix></code> or <code><fi x>else</fix></code> statement uses braces the opposing block should do too.}}</l i> | |
29 <li>{{s18 In classes, prefix private functions with a single underscore to mak e them pseudo-private.}}</li> | 30 <li>{{s18 In classes, prefix private functions with a single underscore to mak e them pseudo-private.}}</li> |
31 <h3 id="javascript-modern">{{javascript-es6 Modern JavaScript (where supported )}}</h3> | |
32 <ul> | |
33 <li>{{javascript-block-scoping Always use <a href="https://developer.mozilla .org/docs/Web/JavaScript/Reference/Statements/block#With_let_and_const">block-sc oping</a> (<code><fix>let</fix></code> / <code><fix>const</fix></code>), except when sharing global variables between scripts cannot be avoided.}}</li> | |
34 <li>{{javascript-const Use <code><fix>const</fix></code> for constant expres sions that could as well have been inlined (e.g. static parameters, imported mod ules, etc.).}}</li> | |
35 <li>{{javascript-arrow Use the <a href="https://developer.mozilla.org/docs/W eb/JavaScript/Reference/Functions/Arrow_functions">arrow function</a> syntax whe n passing anonymous functions that don't require the binding of their own <code> <fix>this</fix></code> or <code><fix>arguments</fix></code> variables.}}</li> | |
36 <li>{{javascript-method Use the <a href="https://developer.mozilla.org/docs/ Web/JavaScript/Reference/Functions/Method_definitions">method definition shortha nd</a> syntax when defining methods on an object.}}</li> | |
37 <li>{{javascript-for-of When iterating over arrays in the canonical order us e the new <a href="https://developer.mozilla.org/docs/Web/JavaScript/Reference/S tatements/for...of"><code><fix>for..of</fix></code></a> syntax if the loop index isn't required. (Rather than using <code><fix>for(;;)</fix></code> or the <code ><fix>forEach()</fix></code> method.)}}</li> | |
saroyanm
2017/01/18 11:27:02
Detail: Please add full stop in the end of the lin
Sebastian Noack
2017/01/18 11:38:08
Well, if you put the whole sentence into parenthes
saroyanm
2017/01/18 11:49:49
Learned something today. Fare enough.
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38 <li>{{javascript-map-set Use the <a href="https://developer.mozilla.org/docs /Web/JavaScript/Reference/Global_Objects/Map"><code><fix>Map</fix></code></a> or <a href="https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Obj ects/Set"><code><fix>Set</fix></code></a> objects, rather than misusing plain ob jects, when you need a hash table.}}</li> | |
39 </ul> | |
30 </ul> | 40 </ul> |
31 | 41 |
32 <h2 id="html-css">{{html-css HTML and CSS}}</h2> | 42 <h2 id="html-css">{{html-css HTML and CSS}}</h2> |
33 <ul> | 43 <ul> |
34 <li>{{html-css-general Follow the <a href="https://google.github.io/styleguide /htmlcssguide.xml">Google HTML/CSS Style Guide</a>.}}</li> | 44 <li>{{html-css-general Follow the <a href="https://google.github.io/styleguide /htmlcssguide.xml">Google HTML/CSS Style Guide</a>.}}</li> |
35 <li>{{html-css-quotation Use double over single quotation marks.}}</li> | 45 <li>{{html-css-quotation Use double over single quotation marks.}}</li> |
36 <li>{{html-css-optional-tag Don't omit optional HTML tags.}}</li> | 46 <li>{{html-css-optional-tag Don't omit optional HTML tags.}}</li> |
37 <li>{{html-css-hexadecimal CSS color values should be specified in hexadecimal where possible.}}</li> | 47 <li>{{html-css-hexadecimal CSS color values should be specified in hexadecimal where possible.}}</li> |
38 <li>{{html-css-shorthand CSS shorthand properties usage is optional.}}</li> | 48 <li>{{html-css-shorthand CSS shorthand properties usage is optional.}}</li> |
39 <li>{{html-css-order CSS rule declaration order should follow the <a href="htt ps://make.wordpress.org/core/handbook/best-practices/coding-standards/css/#prope rty-ordering">WordPress CSS Coding Standards</a>.}}</li> | 49 <li>{{html-css-order CSS rule declaration order should follow the <a href="htt ps://make.wordpress.org/core/handbook/best-practices/coding-standards/css/#prope rty-ordering">WordPress CSS Coding Standards</a>.}}</li> |
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75 <ul> | 85 <ul> |
76 <li>{{objc-conventions Follow Apple's <a href="https://developer.apple.com/lib rary/ios/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/Conventions/Co nventions.html">conventions</a>}}.</li> | 86 <li>{{objc-conventions Follow Apple's <a href="https://developer.apple.com/lib rary/ios/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/Conventions/Co nventions.html">conventions</a>}}.</li> |
77 </ul> | 87 </ul> |
78 | 88 |
79 <h2 id="puppet">{{s31 Puppet}}</h2> | 89 <h2 id="puppet">{{s31 Puppet}}</h2> |
80 <ul> | 90 <ul> |
81 <li>{{s32 Follow the <a href="http://docs.puppetlabs.com/guides/style_guide.ht ml">Puppet Style Guide</a>.}}</li> | 91 <li>{{s32 Follow the <a href="http://docs.puppetlabs.com/guides/style_guide.ht ml">Puppet Style Guide</a>.}}</li> |
82 <li>{{s33 Opening braces don't go on their own line.}}</li> | 92 <li>{{s33 Opening braces don't go on their own line.}}</li> |
83 <li>{{s34 Arrows should not be aligned.}}</li> | 93 <li>{{s34 Arrows should not be aligned.}}</li> |
84 </ul> | 94 </ul> |
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