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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/shared/network-observer/WildcardToRegexp.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/shared/network-observer/WildcardToRegexp.sys.mjs')
-rw-r--r-- | devtools/shared/network-observer/WildcardToRegexp.sys.mjs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/shared/network-observer/WildcardToRegexp.sys.mjs b/devtools/shared/network-observer/WildcardToRegexp.sys.mjs new file mode 100644 index 0000000000..4c495fdd78 --- /dev/null +++ b/devtools/shared/network-observer/WildcardToRegexp.sys.mjs @@ -0,0 +1,28 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/** + * Converts a URL-like string which might include the `*` character as a wildcard + * to a regular expression. They are used to match against actual URLs for the + * request blocking feature from DevTools. + * + * The returned regular expression is case insensitive. + * + * @param {string} url + * A URL-like string which can contain one or several `*` as wildcard + * characters. + * @return {RegExp} + * A regular expression which can be used to match URLs compatible with the + * provided url "template". + */ +export function wildcardToRegExp(url) { + return new RegExp(url.split("*").map(regExpEscape).join(".*"), "i"); +} + +/** + * Escapes all special RegExp characters in the given string. + */ +const regExpEscape = s => { + return s.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&"); +}; |