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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/cssesc/cssesc.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/cssesc/cssesc.js')
-rw-r--r-- | node_modules/cssesc/cssesc.js | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/node_modules/cssesc/cssesc.js b/node_modules/cssesc/cssesc.js new file mode 100644 index 0000000..1c0928e --- /dev/null +++ b/node_modules/cssesc/cssesc.js @@ -0,0 +1,110 @@ +/*! https://mths.be/cssesc v3.0.0 by @mathias */ +'use strict'; + +var object = {}; +var hasOwnProperty = object.hasOwnProperty; +var merge = function merge(options, defaults) { + if (!options) { + return defaults; + } + var result = {}; + for (var key in defaults) { + // `if (defaults.hasOwnProperty(key) { … }` is not needed here, since + // only recognized option names are used. + result[key] = hasOwnProperty.call(options, key) ? options[key] : defaults[key]; + } + return result; +}; + +var regexAnySingleEscape = /[ -,\.\/:-@\[-\^`\{-~]/; +var regexSingleEscape = /[ -,\.\/:-@\[\]\^`\{-~]/; +var regexAlwaysEscape = /['"\\]/; +var regexExcessiveSpaces = /(^|\\+)?(\\[A-F0-9]{1,6})\x20(?![a-fA-F0-9\x20])/g; + +// https://mathiasbynens.be/notes/css-escapes#css +var cssesc = function cssesc(string, options) { + options = merge(options, cssesc.options); + if (options.quotes != 'single' && options.quotes != 'double') { + options.quotes = 'single'; + } + var quote = options.quotes == 'double' ? '"' : '\''; + var isIdentifier = options.isIdentifier; + + var firstChar = string.charAt(0); + var output = ''; + var counter = 0; + var length = string.length; + while (counter < length) { + var character = string.charAt(counter++); + var codePoint = character.charCodeAt(); + var value = void 0; + // If it’s not a printable ASCII character… + if (codePoint < 0x20 || codePoint > 0x7E) { + if (codePoint >= 0xD800 && codePoint <= 0xDBFF && counter < length) { + // It’s a high surrogate, and there is a next character. + var extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { + // next character is low surrogate + codePoint = ((codePoint & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000; + } else { + // It’s an unmatched surrogate; only append this code unit, in case + // the next code unit is the high surrogate of a surrogate pair. + counter--; + } + } + value = '\\' + codePoint.toString(16).toUpperCase() + ' '; + } else { + if (options.escapeEverything) { + if (regexAnySingleEscape.test(character)) { + value = '\\' + character; + } else { + value = '\\' + codePoint.toString(16).toUpperCase() + ' '; + } + } else if (/[\t\n\f\r\x0B]/.test(character)) { + value = '\\' + codePoint.toString(16).toUpperCase() + ' '; + } else if (character == '\\' || !isIdentifier && (character == '"' && quote == character || character == '\'' && quote == character) || isIdentifier && regexSingleEscape.test(character)) { + value = '\\' + character; + } else { + value = character; + } + } + output += value; + } + + if (isIdentifier) { + if (/^-[-\d]/.test(output)) { + output = '\\-' + output.slice(1); + } else if (/\d/.test(firstChar)) { + output = '\\3' + firstChar + ' ' + output.slice(1); + } + } + + // Remove spaces after `\HEX` escapes that are not followed by a hex digit, + // since they’re redundant. Note that this is only possible if the escape + // sequence isn’t preceded by an odd number of backslashes. + output = output.replace(regexExcessiveSpaces, function ($0, $1, $2) { + if ($1 && $1.length % 2) { + // It’s not safe to remove the space, so don’t. + return $0; + } + // Strip the space. + return ($1 || '') + $2; + }); + + if (!isIdentifier && options.wrap) { + return quote + output + quote; + } + return output; +}; + +// Expose default options (so they can be overridden globally). +cssesc.options = { + 'escapeEverything': false, + 'isIdentifier': false, + 'quotes': 'single', + 'wrap': false +}; + +cssesc.version = '3.0.0'; + +module.exports = cssesc; |