260 lines
10 KiB
JavaScript
260 lines
10 KiB
JavaScript
"use strict";
|
|
|
|
var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
|
|
|
|
var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");
|
|
|
|
_Object$defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
exports["default"] = void 0;
|
|
|
|
var _concat = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/concat"));
|
|
|
|
var _includes = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/includes"));
|
|
|
|
var _map = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/map"));
|
|
|
|
var _reduce = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/reduce"));
|
|
|
|
/*!
|
|
* XRegExp.build 4.4.1
|
|
* <xregexp.com>
|
|
* Steven Levithan (c) 2012-present MIT License
|
|
*/
|
|
var _default = function _default(XRegExp) {
|
|
var REGEX_DATA = 'xregexp';
|
|
var subParts = /(\()(?!\?)|\\([1-9]\d*)|\\[\s\S]|\[(?:[^\\\]]|\\[\s\S])*\]/g;
|
|
var parts = XRegExp.union([/\({{([\w$]+)}}\)|{{([\w$]+)}}/, subParts], 'g', {
|
|
conjunction: 'or'
|
|
});
|
|
/**
|
|
* Strips a leading `^` and trailing unescaped `$`, if both are present.
|
|
*
|
|
* @private
|
|
* @param {String} pattern Pattern to process.
|
|
* @returns {String} Pattern with edge anchors removed.
|
|
*/
|
|
|
|
function deanchor(pattern) {
|
|
// Allow any number of empty noncapturing groups before/after anchors, because regexes
|
|
// built/generated by XRegExp sometimes include them
|
|
var leadingAnchor = /^(?:\(\?:\))*\^/;
|
|
var trailingAnchor = /\$(?:\(\?:\))*$/;
|
|
|
|
if (leadingAnchor.test(pattern) && trailingAnchor.test(pattern) && // Ensure that the trailing `$` isn't escaped
|
|
trailingAnchor.test(pattern.replace(/\\[\s\S]/g, ''))) {
|
|
return pattern.replace(leadingAnchor, '').replace(trailingAnchor, '');
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
/**
|
|
* Converts the provided value to an XRegExp. Native RegExp flags are not preserved.
|
|
*
|
|
* @private
|
|
* @param {String|RegExp} value Value to convert.
|
|
* @param {Boolean} [addFlagX] Whether to apply the `x` flag in cases when `value` is not
|
|
* already a regex generated by XRegExp
|
|
* @returns {RegExp} XRegExp object with XRegExp syntax applied.
|
|
*/
|
|
|
|
|
|
function asXRegExp(value, addFlagX) {
|
|
var flags = addFlagX ? 'x' : '';
|
|
return XRegExp.isRegExp(value) ? value[REGEX_DATA] && value[REGEX_DATA].captureNames ? // Don't recompile, to preserve capture names
|
|
value : // Recompile as XRegExp
|
|
XRegExp(value.source, flags) : // Compile string as XRegExp
|
|
XRegExp(value, flags);
|
|
}
|
|
|
|
function interpolate(substitution) {
|
|
return substitution instanceof RegExp ? substitution : XRegExp.escape(substitution);
|
|
}
|
|
|
|
function reduceToSubpatternsObject(subpatterns, interpolated, subpatternIndex) {
|
|
subpatterns["subpattern".concat(subpatternIndex)] = interpolated;
|
|
return subpatterns;
|
|
}
|
|
|
|
function embedSubpatternAfter(raw, subpatternIndex, rawLiterals) {
|
|
var hasSubpattern = subpatternIndex < rawLiterals.length - 1;
|
|
return raw + (hasSubpattern ? "{{subpattern".concat(subpatternIndex, "}}") : '');
|
|
}
|
|
/**
|
|
* Provides tagged template literals that create regexes with XRegExp syntax and flags. The
|
|
* provided pattern is handled as a raw string, so backslashes don't need to be escaped.
|
|
*
|
|
* Interpolation of strings and regexes shares the features of `XRegExp.build`. Interpolated
|
|
* patterns are treated as atomic units when quantified, interpolated strings have their special
|
|
* characters escaped, a leading `^` and trailing unescaped `$` are stripped from interpolated
|
|
* regexes if both are present, and any backreferences within an interpolated regex are
|
|
* rewritten to work within the overall pattern.
|
|
*
|
|
* @memberOf XRegExp
|
|
* @param {String} [flags] Any combination of XRegExp flags.
|
|
* @returns {Function} Handler for template literals that construct regexes with XRegExp syntax.
|
|
* @example
|
|
*
|
|
* const h12 = /1[0-2]|0?[1-9]/;
|
|
* const h24 = /2[0-3]|[01][0-9]/;
|
|
* const hours = XRegExp.tag('x')`${h12} : | ${h24}`;
|
|
* const minutes = /^[0-5][0-9]$/;
|
|
* // Note that explicitly naming the 'minutes' group is required for named backreferences
|
|
* const time = XRegExp.tag('x')`^ ${hours} (?<minutes>${minutes}) $`;
|
|
* time.test('10:59'); // -> true
|
|
* XRegExp.exec('10:59', time).minutes; // -> '59'
|
|
*/
|
|
|
|
|
|
XRegExp.tag = function (flags) {
|
|
return function (literals) {
|
|
var _context, _context2;
|
|
|
|
for (var _len = arguments.length, substitutions = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
substitutions[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
var subpatterns = (0, _reduce["default"])(_context = (0, _map["default"])(substitutions).call(substitutions, interpolate)).call(_context, reduceToSubpatternsObject, {});
|
|
var pattern = (0, _map["default"])(_context2 = literals.raw).call(_context2, embedSubpatternAfter).join('');
|
|
return XRegExp.build(pattern, subpatterns, flags);
|
|
};
|
|
};
|
|
/**
|
|
* Builds regexes using named subpatterns, for readability and pattern reuse. Backreferences in
|
|
* the outer pattern and provided subpatterns are automatically renumbered to work correctly.
|
|
* Native flags used by provided subpatterns are ignored in favor of the `flags` argument.
|
|
*
|
|
* @memberOf XRegExp
|
|
* @param {String} pattern XRegExp pattern using `{{name}}` for embedded subpatterns. Allows
|
|
* `({{name}})` as shorthand for `(?<name>{{name}})`. Patterns cannot be embedded within
|
|
* character classes.
|
|
* @param {Object} subs Lookup object for named subpatterns. Values can be strings or regexes. A
|
|
* leading `^` and trailing unescaped `$` are stripped from subpatterns, if both are present.
|
|
* @param {String} [flags] Any combination of XRegExp flags.
|
|
* @returns {RegExp} Regex with interpolated subpatterns.
|
|
* @example
|
|
*
|
|
* const time = XRegExp.build('(?x)^ {{hours}} ({{minutes}}) $', {
|
|
* hours: XRegExp.build('{{h12}} : | {{h24}}', {
|
|
* h12: /1[0-2]|0?[1-9]/,
|
|
* h24: /2[0-3]|[01][0-9]/
|
|
* }, 'x'),
|
|
* minutes: /^[0-5][0-9]$/
|
|
* });
|
|
* time.test('10:59'); // -> true
|
|
* XRegExp.exec('10:59', time).minutes; // -> '59'
|
|
*/
|
|
|
|
|
|
XRegExp.build = function (pattern, subs, flags) {
|
|
flags = flags || ''; // Used with `asXRegExp` calls for `pattern` and subpatterns in `subs`, to work around how
|
|
// some browsers convert `RegExp('\n')` to a regex that contains the literal characters `\`
|
|
// and `n`. See more details at <https://github.com/slevithan/xregexp/pull/163>.
|
|
|
|
var addFlagX = (0, _includes["default"])(flags).call(flags, 'x');
|
|
var inlineFlags = /^\(\?([\w$]+)\)/.exec(pattern); // Add flags within a leading mode modifier to the overall pattern's flags
|
|
|
|
if (inlineFlags) {
|
|
flags = XRegExp._clipDuplicates(flags + inlineFlags[1]);
|
|
}
|
|
|
|
var data = {};
|
|
|
|
for (var p in subs) {
|
|
if (subs.hasOwnProperty(p)) {
|
|
// Passing to XRegExp enables extended syntax and ensures independent validity,
|
|
// lest an unescaped `(`, `)`, `[`, or trailing `\` breaks the `(?:)` wrapper. For
|
|
// subpatterns provided as native regexes, it dies on octals and adds the property
|
|
// used to hold extended regex instance data, for simplicity.
|
|
var sub = asXRegExp(subs[p], addFlagX);
|
|
data[p] = {
|
|
// Deanchoring allows embedding independently useful anchored regexes. If you
|
|
// really need to keep your anchors, double them (i.e., `^^...$$`).
|
|
pattern: deanchor(sub.source),
|
|
names: sub[REGEX_DATA].captureNames || []
|
|
};
|
|
}
|
|
} // Passing to XRegExp dies on octals and ensures the outer pattern is independently valid;
|
|
// helps keep this simple. Named captures will be put back.
|
|
|
|
|
|
var patternAsRegex = asXRegExp(pattern, addFlagX); // 'Caps' is short for 'captures'
|
|
|
|
var numCaps = 0;
|
|
var numPriorCaps;
|
|
var numOuterCaps = 0;
|
|
var outerCapsMap = [0];
|
|
var outerCapNames = patternAsRegex[REGEX_DATA].captureNames || [];
|
|
var output = patternAsRegex.source.replace(parts, function ($0, $1, $2, $3, $4) {
|
|
var subName = $1 || $2;
|
|
var capName;
|
|
var intro;
|
|
var localCapIndex; // Named subpattern
|
|
|
|
if (subName) {
|
|
var _context3;
|
|
|
|
if (!data.hasOwnProperty(subName)) {
|
|
throw new ReferenceError("Undefined property ".concat($0));
|
|
} // Named subpattern was wrapped in a capturing group
|
|
|
|
|
|
if ($1) {
|
|
capName = outerCapNames[numOuterCaps];
|
|
outerCapsMap[++numOuterCaps] = ++numCaps; // If it's a named group, preserve the name. Otherwise, use the subpattern name
|
|
// as the capture name
|
|
|
|
intro = "(?<".concat(capName || subName, ">");
|
|
} else {
|
|
intro = '(?:';
|
|
}
|
|
|
|
numPriorCaps = numCaps;
|
|
var rewrittenSubpattern = data[subName].pattern.replace(subParts, function (match, paren, backref) {
|
|
// Capturing group
|
|
if (paren) {
|
|
capName = data[subName].names[numCaps - numPriorCaps];
|
|
++numCaps; // If the current capture has a name, preserve the name
|
|
|
|
if (capName) {
|
|
return "(?<".concat(capName, ">");
|
|
} // Backreference
|
|
|
|
} else if (backref) {
|
|
localCapIndex = +backref - 1; // Rewrite the backreference
|
|
|
|
return data[subName].names[localCapIndex] ? // Need to preserve the backreference name in case using flag `n`
|
|
"\\k<".concat(data[subName].names[localCapIndex], ">") : "\\".concat(+backref + numPriorCaps);
|
|
}
|
|
|
|
return match;
|
|
});
|
|
return (0, _concat["default"])(_context3 = "".concat(intro)).call(_context3, rewrittenSubpattern, ")");
|
|
} // Capturing group
|
|
|
|
|
|
if ($3) {
|
|
capName = outerCapNames[numOuterCaps];
|
|
outerCapsMap[++numOuterCaps] = ++numCaps; // If the current capture has a name, preserve the name
|
|
|
|
if (capName) {
|
|
return "(?<".concat(capName, ">");
|
|
} // Backreference
|
|
|
|
} else if ($4) {
|
|
localCapIndex = +$4 - 1; // Rewrite the backreference
|
|
|
|
return outerCapNames[localCapIndex] ? // Need to preserve the backreference name in case using flag `n`
|
|
"\\k<".concat(outerCapNames[localCapIndex], ">") : "\\".concat(outerCapsMap[+$4]);
|
|
}
|
|
|
|
return $0;
|
|
});
|
|
return XRegExp(output, flags);
|
|
};
|
|
};
|
|
|
|
exports["default"] = _default;
|
|
module.exports = exports.default; |