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Add support for ignoring languages #85

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Add support for ignoring languages #85

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544989b
Add support for blacklisting file extensions
icholy Oct 12, 2016
9c0d2f9
Blacklist languages instead of extensions
icholy Oct 12, 2016
fd47f24
add noop function
icholy Oct 12, 2016
fd362f3
Rename 'blacklist' to 'ignore'
icholy Oct 17, 2016
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4 changes: 4 additions & 0 deletions css/options.css
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,10 @@ select {
margin-bottom: 10px;
}

textarea {
margin-bottom: 10px;
}

pre {
left: -10px;
top: 10px;
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16 changes: 14 additions & 2 deletions js/background.js
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Expand Up @@ -77,7 +77,8 @@
theme: 'sunburst',
font: 'Inconsolata',
fontSize: 'medium',
lineNumbers: true
lineNumbers: true,
ignoreLanguages: ''
};

const OPTIONS = Object.keys(OPTIONS_DEFAULTS);
Expand Down Expand Up @@ -121,6 +122,17 @@
return filename.split('.').pop();
}

function isLanguageIgnored(language) {
var ignored = localStorage.getItem('ignoreLanguages').split(/[\s,]+/);
var index, length = ignored.length;
for (index = 0; index < length; index++) {
if (ignored[index].toLowerCase() === language) {
return true;
}
}
return false;
}

function getFragmentFromUrl(url) {
var fragment = /#ft=(\w+)/.exec(url);
return fragment && fragment[1];
Expand Down Expand Up @@ -156,7 +168,7 @@
var filename = getFilenameFromUrl(details.url);
var extension = getExtensionFromFilename(filename);
var language = detectLanguage(contentType, fragment, filename, extension);
if (!language) {
if (!language || isLanguageIgnored(language)) {
return;
}

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7 changes: 7 additions & 0 deletions js/options.js
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Expand Up @@ -2,6 +2,7 @@
function id(a) { return a }
function eq(b) { return function(a) { return a === b } }
function val(obj, key) { return obj[key] }
function noop() {}
function set(sel, path, fn) {
var parts = path.split('.');
var target = parts[parts.length-1];
Expand Down Expand Up @@ -43,6 +44,12 @@
codeEl.innerHTML = codeEl.textContent;
hljs.highlightBlock(codeEl);
}
},
ignoreLanguages: {
selector: '#ignore-languages',
value: 'value',
decode: id,
render: noop
}
};

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2 changes: 2 additions & 0 deletions options.html
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Expand Up @@ -91,6 +91,8 @@ <h3>Select your font size</h3>
<option value="x-large">x-large</option>
<option value="xx-large">xx-large</option>
</select>
<h3>Ignore Languages</h3>
<textarea id="ignore-languages"></textarea>
<h3>Line numbers:<input id="line-numbers" type="checkbox"></h3>
<pre id="code" class="go">
package main
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