diff options
Diffstat (limited to 'ext/web/00_infra.js')
| -rw-r--r-- | ext/web/00_infra.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/ext/web/00_infra.js b/ext/web/00_infra.js index 7c065bcd3..7098c9577 100644 --- a/ext/web/00_infra.js +++ b/ext/web/00_infra.js @@ -19,6 +19,7 @@ TypeError, ArrayPrototypeJoin, StringPrototypeCharAt, + StringPrototypeMatch, StringPrototypeSlice, String, StringPrototypeReplace, @@ -75,6 +76,9 @@ "g", ); const HTTP_WHITESPACE_MATCHER = regexMatcher(HTTP_WHITESPACE); + const HTTP_BETWEEN_WHITESPACE = new RegExp( + `^[${HTTP_WHITESPACE_MATCHER}]*(.*?)[${HTTP_WHITESPACE_MATCHER}]*$`, + ); const HTTP_WHITESPACE_PREFIX_RE = new RegExp( `^[${HTTP_WHITESPACE_MATCHER}]+`, "g", @@ -237,6 +241,33 @@ return core.opSync("op_base64_decode", data); } + /** + * @param {string} char + * @returns {boolean} + */ + function isHttpWhitespace(char) { + switch (char) { + case "\u0009": + case "\u000A": + case "\u000D": + case "\u0020": + return true; + default: + return false; + } + } + + /** + * @param {string} s + * @returns {string} + */ + function httpTrim(s) { + if (!isHttpWhitespace(s[0]) && !isHttpWhitespace(s[s.length - 1])) { + return s; + } + return StringPrototypeMatch(s, HTTP_BETWEEN_WHITESPACE)?.[1] ?? ""; + } + window.__bootstrap.infra = { collectSequenceOfCodepoints, ASCII_DIGIT, @@ -254,6 +285,7 @@ HTTP_TAB_OR_SPACE_SUFFIX_RE, HTTP_WHITESPACE_PREFIX_RE, HTTP_WHITESPACE_SUFFIX_RE, + httpTrim, regexMatcher, byteUpperCase, byteLowerCase, |