mirror of
https://github.com/react/react-native-devtools-frontend.git
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Tim van der Lippe
706ec965fb
These packages will be used to dynamically optimize SVG images during the build. R=jacktfranklin@chromium.org Bug: 1216402 Change-Id: I04e95aa7d79c9d67beaf8a7861182c52b16b7d0f Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2939992 Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
var UNICODE = '\\\\[0-9a-f]{1,6}(\\r\\n|[ \\n\\r\\t\\f])?';
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var ESCAPE = '(' + UNICODE + '|\\\\[^\\n\\r\\f0-9a-fA-F])';
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var NONPRINTABLE = '\u0000\u0008\u000b\u000e-\u001f\u007f';
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var SAFE_URL = new RegExp('^(' + ESCAPE + '|[^\"\'\\(\\)\\\\\\s' + NONPRINTABLE + '])*$', 'i');
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module.exports = function(node) {
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var value = node.value;
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if (value.type !== 'String') {
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return;
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}
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var quote = value.value[0];
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var url = value.value.substr(1, value.value.length - 2);
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// convert `\\` to `/`
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url = url.replace(/\\\\/g, '/');
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// remove quotes when safe
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// https://www.w3.org/TR/css-syntax-3/#url-unquoted-diagram
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if (SAFE_URL.test(url)) {
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node.value = {
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type: 'Raw',
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loc: node.value.loc,
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value: url
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};
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} else {
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// use double quotes if string has no double quotes
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// otherwise use original quotes
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// TODO: make better quote type selection
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node.value.value = url.indexOf('"') === -1 ? '"' + url + '"' : quote + url + quote;
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}
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};
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