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Diffstat (limited to 'node_modules/undici/lib/fileapi/encoding.js')
-rw-r--r--node_modules/undici/lib/fileapi/encoding.js290
1 files changed, 290 insertions, 0 deletions
diff --git a/node_modules/undici/lib/fileapi/encoding.js b/node_modules/undici/lib/fileapi/encoding.js
new file mode 100644
index 0000000..1d1d2b6
--- /dev/null
+++ b/node_modules/undici/lib/fileapi/encoding.js
@@ -0,0 +1,290 @@
+'use strict'
+
+/**
+ * @see https://encoding.spec.whatwg.org/#concept-encoding-get
+ * @param {string|undefined} label
+ */
+function getEncoding (label) {
+ if (!label) {
+ return 'failure'
+ }
+
+ // 1. Remove any leading and trailing ASCII whitespace from label.
+ // 2. If label is an ASCII case-insensitive match for any of the
+ // labels listed in the table below, then return the
+ // corresponding encoding; otherwise return failure.
+ switch (label.trim().toLowerCase()) {
+ case 'unicode-1-1-utf-8':
+ case 'unicode11utf8':
+ case 'unicode20utf8':
+ case 'utf-8':
+ case 'utf8':
+ case 'x-unicode20utf8':
+ return 'UTF-8'
+ case '866':
+ case 'cp866':
+ case 'csibm866':
+ case 'ibm866':
+ return 'IBM866'
+ case 'csisolatin2':
+ case 'iso-8859-2':
+ case 'iso-ir-101':
+ case 'iso8859-2':
+ case 'iso88592':
+ case 'iso_8859-2':
+ case 'iso_8859-2:1987':
+ case 'l2':
+ case 'latin2':
+ return 'ISO-8859-2'
+ case 'csisolatin3':
+ case 'iso-8859-3':
+ case 'iso-ir-109':
+ case 'iso8859-3':
+ case 'iso88593':
+ case 'iso_8859-3':
+ case 'iso_8859-3:1988':
+ case 'l3':
+ case 'latin3':
+ return 'ISO-8859-3'
+ case 'csisolatin4':
+ case 'iso-8859-4':
+ case 'iso-ir-110':
+ case 'iso8859-4':
+ case 'iso88594':
+ case 'iso_8859-4':
+ case 'iso_8859-4:1988':
+ case 'l4':
+ case 'latin4':
+ return 'ISO-8859-4'
+ case 'csisolatincyrillic':
+ case 'cyrillic':
+ case 'iso-8859-5':
+ case 'iso-ir-144':
+ case 'iso8859-5':
+ case 'iso88595':
+ case 'iso_8859-5':
+ case 'iso_8859-5:1988':
+ return 'ISO-8859-5'
+ case 'arabic':
+ case 'asmo-708':
+ case 'csiso88596e':
+ case 'csiso88596i':
+ case 'csisolatinarabic':
+ case 'ecma-114':
+ case 'iso-8859-6':
+ case 'iso-8859-6-e':
+ case 'iso-8859-6-i':
+ case 'iso-ir-127':
+ case 'iso8859-6':
+ case 'iso88596':
+ case 'iso_8859-6':
+ case 'iso_8859-6:1987':
+ return 'ISO-8859-6'
+ case 'csisolatingreek':
+ case 'ecma-118':
+ case 'elot_928':
+ case 'greek':
+ case 'greek8':
+ case 'iso-8859-7':
+ case 'iso-ir-126':
+ case 'iso8859-7':
+ case 'iso88597':
+ case 'iso_8859-7':
+ case 'iso_8859-7:1987':
+ case 'sun_eu_greek':
+ return 'ISO-8859-7'
+ case 'csiso88598e':
+ case 'csisolatinhebrew':
+ case 'hebrew':
+ case 'iso-8859-8':
+ case 'iso-8859-8-e':
+ case 'iso-ir-138':
+ case 'iso8859-8':
+ case 'iso88598':
+ case 'iso_8859-8':
+ case 'iso_8859-8:1988':
+ case 'visual':
+ return 'ISO-8859-8'
+ case 'csiso88598i':
+ case 'iso-8859-8-i':
+ case 'logical':
+ return 'ISO-8859-8-I'
+ case 'csisolatin6':
+ case 'iso-8859-10':
+ case 'iso-ir-157':
+ case 'iso8859-10':
+ case 'iso885910':
+ case 'l6':
+ case 'latin6':
+ return 'ISO-8859-10'
+ case 'iso-8859-13':
+ case 'iso8859-13':
+ case 'iso885913':
+ return 'ISO-8859-13'
+ case 'iso-8859-14':
+ case 'iso8859-14':
+ case 'iso885914':
+ return 'ISO-8859-14'
+ case 'csisolatin9':
+ case 'iso-8859-15':
+ case 'iso8859-15':
+ case 'iso885915':
+ case 'iso_8859-15':
+ case 'l9':
+ return 'ISO-8859-15'
+ case 'iso-8859-16':
+ return 'ISO-8859-16'
+ case 'cskoi8r':
+ case 'koi':
+ case 'koi8':
+ case 'koi8-r':
+ case 'koi8_r':
+ return 'KOI8-R'
+ case 'koi8-ru':
+ case 'koi8-u':
+ return 'KOI8-U'
+ case 'csmacintosh':
+ case 'mac':
+ case 'macintosh':
+ case 'x-mac-roman':
+ return 'macintosh'
+ case 'iso-8859-11':
+ case 'iso8859-11':
+ case 'iso885911':
+ case 'tis-620':
+ case 'windows-874':
+ return 'windows-874'
+ case 'cp1250':
+ case 'windows-1250':
+ case 'x-cp1250':
+ return 'windows-1250'
+ case 'cp1251':
+ case 'windows-1251':
+ case 'x-cp1251':
+ return 'windows-1251'
+ case 'ansi_x3.4-1968':
+ case 'ascii':
+ case 'cp1252':
+ case 'cp819':
+ case 'csisolatin1':
+ case 'ibm819':
+ case 'iso-8859-1':
+ case 'iso-ir-100':
+ case 'iso8859-1':
+ case 'iso88591':
+ case 'iso_8859-1':
+ case 'iso_8859-1:1987':
+ case 'l1':
+ case 'latin1':
+ case 'us-ascii':
+ case 'windows-1252':
+ case 'x-cp1252':
+ return 'windows-1252'
+ case 'cp1253':
+ case 'windows-1253':
+ case 'x-cp1253':
+ return 'windows-1253'
+ case 'cp1254':
+ case 'csisolatin5':
+ case 'iso-8859-9':
+ case 'iso-ir-148':
+ case 'iso8859-9':
+ case 'iso88599':
+ case 'iso_8859-9':
+ case 'iso_8859-9:1989':
+ case 'l5':
+ case 'latin5':
+ case 'windows-1254':
+ case 'x-cp1254':
+ return 'windows-1254'
+ case 'cp1255':
+ case 'windows-1255':
+ case 'x-cp1255':
+ return 'windows-1255'
+ case 'cp1256':
+ case 'windows-1256':
+ case 'x-cp1256':
+ return 'windows-1256'
+ case 'cp1257':
+ case 'windows-1257':
+ case 'x-cp1257':
+ return 'windows-1257'
+ case 'cp1258':
+ case 'windows-1258':
+ case 'x-cp1258':
+ return 'windows-1258'
+ case 'x-mac-cyrillic':
+ case 'x-mac-ukrainian':
+ return 'x-mac-cyrillic'
+ case 'chinese':
+ case 'csgb2312':
+ case 'csiso58gb231280':
+ case 'gb2312':
+ case 'gb_2312':
+ case 'gb_2312-80':
+ case 'gbk':
+ case 'iso-ir-58':
+ case 'x-gbk':
+ return 'GBK'
+ case 'gb18030':
+ return 'gb18030'
+ case 'big5':
+ case 'big5-hkscs':
+ case 'cn-big5':
+ case 'csbig5':
+ case 'x-x-big5':
+ return 'Big5'
+ case 'cseucpkdfmtjapanese':
+ case 'euc-jp':
+ case 'x-euc-jp':
+ return 'EUC-JP'
+ case 'csiso2022jp':
+ case 'iso-2022-jp':
+ return 'ISO-2022-JP'
+ case 'csshiftjis':
+ case 'ms932':
+ case 'ms_kanji':
+ case 'shift-jis':
+ case 'shift_jis':
+ case 'sjis':
+ case 'windows-31j':
+ case 'x-sjis':
+ return 'Shift_JIS'
+ case 'cseuckr':
+ case 'csksc56011987':
+ case 'euc-kr':
+ case 'iso-ir-149':
+ case 'korean':
+ case 'ks_c_5601-1987':
+ case 'ks_c_5601-1989':
+ case 'ksc5601':
+ case 'ksc_5601':
+ case 'windows-949':
+ return 'EUC-KR'
+ case 'csiso2022kr':
+ case 'hz-gb-2312':
+ case 'iso-2022-cn':
+ case 'iso-2022-cn-ext':
+ case 'iso-2022-kr':
+ case 'replacement':
+ return 'replacement'
+ case 'unicodefffe':
+ case 'utf-16be':
+ return 'UTF-16BE'
+ case 'csunicode':
+ case 'iso-10646-ucs-2':
+ case 'ucs-2':
+ case 'unicode':
+ case 'unicodefeff':
+ case 'utf-16':
+ case 'utf-16le':
+ return 'UTF-16LE'
+ case 'x-user-defined':
+ return 'x-user-defined'
+ default: return 'failure'
+ }
+}
+
+module.exports = {
+ getEncoding
+}