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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>{{javascript-strict Always use <a href="https://developer.mozilla.org/docs
/Web/JavaScript/Reference/Strict_mode">strict mode</a>.}}</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>{{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.}}</li> | 28 <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.}}</li> |
30 <li>{{s18 In classes, prefix private functions with a single underscore to mak
e them pseudo-private.}}</li> | 29 <li>{{s18 In classes, prefix private functions with a single underscore to mak
e them pseudo-private.}}</li> |
31 <li>{{javascript-spacing-literals Don't add any spaces immediately after openi
ng, or before closing, an object or array literal.}}</li> | 30 <li>{{javascript-spacing-literals Don't add any spaces immediately after openi
ng, or before closing, an object or array literal.}}</li> |
32 <h3 id="javascript-modern">{{javascript-es6 Modern JavaScript (where supported
)}}</h3> | 31 <h3 id="javascript-modern">{{javascript-es6 Modern JavaScript (where supported
)}}</h3> |
33 <ul> | 32 <ul> |
34 <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> | 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> |
35 <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> | 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> |
36 <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> | 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> |
37 <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> | 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> |
38 <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> | 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> |
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87 <ul> | 86 <ul> |
88 <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> | 87 <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> |
89 </ul> | 88 </ul> |
90 | 89 |
91 <h2 id="puppet">{{s31 Puppet}}</h2> | 90 <h2 id="puppet">{{s31 Puppet}}</h2> |
92 <ul> | 91 <ul> |
93 <li>{{s32 Follow the <a href="http://docs.puppetlabs.com/guides/style_guide.ht
ml">Puppet Style Guide</a>.}}</li> | 92 <li>{{s32 Follow the <a href="http://docs.puppetlabs.com/guides/style_guide.ht
ml">Puppet Style Guide</a>.}}</li> |
94 <li>{{s33 Opening braces don't go on their own line.}}</li> | 93 <li>{{s33 Opening braces don't go on their own line.}}</li> |
95 <li>{{s34 Arrows should not be aligned.}}</li> | 94 <li>{{s34 Arrows should not be aligned.}}</li> |
96 </ul> | 95 </ul> |
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