import estraverse from 'estraverse';
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
var parser$1 = {exports: {}};
/*
* Generated by PEG.js 0.10.0.
*
* http://pegjs.org/
*/
(function (module) {
(function(root, factory) {
if (module.exports) {
module.exports = factory();
}
})(commonjsGlobal, function() {
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function peg$SyntaxError(message, expected, found, location) {
this.message = message;
this.expected = expected;
this.found = found;
this.location = location;
this.name = "SyntaxError";
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, peg$SyntaxError);
}
}
peg$subclass(peg$SyntaxError, Error);
peg$SyntaxError.buildMessage = function(expected, found) {
var DESCRIBE_EXPECTATION_FNS = {
literal: function(expectation) {
return "\"" + literalEscape(expectation.text) + "\"";
},
"class": function(expectation) {
var escapedParts = "",
i;
for (i = 0; i < expectation.parts.length; i++) {
escapedParts += expectation.parts[i] instanceof Array
? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1])
: classEscape(expectation.parts[i]);
}
return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]";
},
any: function(expectation) {
return "any character";
},
end: function(expectation) {
return "end of input";
},
other: function(expectation) {
return expectation.description;
}
};
function hex(ch) {
return ch.charCodeAt(0).toString(16).toUpperCase();
}
function literalEscape(s) {
return s
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\0/g, '\\0')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); });
}
function classEscape(s) {
return s
.replace(/\\/g, '\\\\')
.replace(/\]/g, '\\]')
.replace(/\^/g, '\\^')
.replace(/-/g, '\\-')
.replace(/\0/g, '\\0')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); });
}
function describeExpectation(expectation) {
return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
}
function describeExpected(expected) {
var descriptions = new Array(expected.length),
i, j;
for (i = 0; i < expected.length; i++) {
descriptions[i] = describeExpectation(expected[i]);
}
descriptions.sort();
if (descriptions.length > 0) {
for (i = 1, j = 1; i < descriptions.length; i++) {
if (descriptions[i - 1] !== descriptions[i]) {
descriptions[j] = descriptions[i];
j++;
}
}
descriptions.length = j;
}
switch (descriptions.length) {
case 1:
return descriptions[0];
case 2:
return descriptions[0] + " or " + descriptions[1];
default:
return descriptions.slice(0, -1).join(", ")
+ ", or "
+ descriptions[descriptions.length - 1];
}
}
function describeFound(found) {
return found ? "\"" + literalEscape(found) + "\"" : "end of input";
}
return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found.";
};
function peg$parse(input, options) {
options = options !== void 0 ? options : {};
var peg$FAILED = {},
peg$startRuleFunctions = { start: peg$parsestart },
peg$startRuleFunction = peg$parsestart,
peg$c0 = function(ss) {
return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss };
},
peg$c1 = function() { return void 0; },
peg$c2 = " ",
peg$c3 = peg$literalExpectation(" ", false),
peg$c4 = /^[^ [\],():#!=><~+.]/,
peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false),
peg$c6 = function(i) { return i.join(''); },
peg$c7 = ">",
peg$c8 = peg$literalExpectation(">", false),
peg$c9 = function() { return 'child'; },
peg$c10 = "~",
peg$c11 = peg$literalExpectation("~", false),
peg$c12 = function() { return 'sibling'; },
peg$c13 = "+",
peg$c14 = peg$literalExpectation("+", false),
peg$c15 = function() { return 'adjacent'; },
peg$c16 = function() { return 'descendant'; },
peg$c17 = ",",
peg$c18 = peg$literalExpectation(",", false),
peg$c19 = function(s, ss) {
return [s].concat(ss.map(function (s) { return s[3]; }));
},
peg$c20 = function(a, ops) {
return ops.reduce(function (memo, rhs) {
return { type: rhs[0], left: memo, right: rhs[1] };
}, a);
},
peg$c21 = "!",
peg$c22 = peg$literalExpectation("!", false),
peg$c23 = function(subject, as) {
const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };
if(subject) b.subject = true;
return b;
},
peg$c24 = "*",
peg$c25 = peg$literalExpectation("*", false),
peg$c26 = function(a) { return { type: 'wildcard', value: a }; },
peg$c27 = "#",
peg$c28 = peg$literalExpectation("#", false),
peg$c29 = function(i) { return { type: 'identifier', value: i }; },
peg$c30 = "[",
peg$c31 = peg$literalExpectation("[", false),
peg$c32 = "]",
peg$c33 = peg$literalExpectation("]", false),
peg$c34 = function(v) { return v; },
peg$c35 = /^[><!]/,
peg$c36 = peg$classExpectation([">", "<", "!"], false, false),
peg$c37 = "=",
peg$c38 = peg$literalExpectation("=", false),
peg$c39 = function(a) { return (a || '') + '='; },
peg$c40 = /^[><]/,
peg$c41 = peg$classExpectation([">", "<"], false, false),
peg$c42 = ".",
peg$c43 = peg$literalExpectation(".", false),
peg$c44 = function(a, as) {
return [].concat.apply([a], as).join('');
},
peg$c45 = function(name, op, value) {
return { type: 'attribute', name: name, operator: op, value: value };
},
peg$c46 = function(name) { return { type: 'attribute', name: name }; },
peg$c47 = "\"",
peg$c48 = peg$literalExpectation("\"", false),
peg$c49 = /^[^\\"]/,
peg$c50 = peg$classExpectation(["\\", "\""], true, false),
peg$c51 = "\\",
peg$c52 = peg$literalExpectation("\\", false),
peg$c53 = peg$anyExpectation(),
peg$c54 = function(a, b) { return a + b; },
peg$c55 = function(d) {
return { type: 'literal', value: strUnescape(d.join('')) };
},
peg$c56 = "'",
peg$c57 = peg$literalExpectation("'", false),
peg$c58 = /^[^\\']/,
peg$c59 = peg$classExpectation(["\\", "'"], true, false),
peg$c60 = /^[0-9]/,
peg$c61 = peg$classExpectation([["0", "9"]], false, false),
peg$c62 = function(a, b) {
// Can use `a.flat().join('')` once supported
const leadingDecimals = a ? [].concat.apply([], a).join('') : '';
return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) };
},
peg$c63 = function(i) { return { type: 'literal', value: i }; },
peg$c64 = "type(",
peg$c65 = peg$literalExpectation("type(", false),
peg$c66 = /^[^ )]/,
peg$c67 = peg$classExpectation([" ", ")"], true, false),
peg$c68 = ")",
peg$c69 = peg$literalExpectation(")", false),
peg$c70 = function(t) { return { type: 'type', value: t.join('') }; },
peg$c71 = /^[imsu]/,
peg$c72 = peg$classExpectation(["i", "m", "s", "u"], false, false),
peg$c73 = "/",
peg$c74 = peg$literalExpectation("/", false),
peg$c75 = /^[^\/]/,
peg$c76 = peg$classExpectation(["/"], true, false),
peg$c77 = function(d, flgs) { return {
type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') };
},
peg$c78 = function(i, is) {
return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};
},
peg$c79 = ":not(",
peg$c80 = peg$literalExpectation(":not(", false),
peg$c81 = function(ss) { return { type: 'not', selectors: ss }; },
peg$c82 = ":matches(",
peg$c83 = peg$literalExpectation(":matches(", false),
peg$c84 = function(ss) { return { type: 'matches', selectors: ss }; },
peg$c85 = ":has(",
peg$c86 = peg$literalExpectation(":has(", false),
peg$c87 = function(ss) { return { type: 'has', selectors: ss }; },
peg$c88 = ":first-child",
peg$c89 = peg$literalExpectation(":first-child", false),
peg$c90 = function() { return nth(1); },
peg$c91 = ":last-child",
peg$c92 = peg$literalExpectation(":last-child", false),
peg$c93 = function() { return nthLast(1); },
peg$c94 = ":nth-child(",
peg$c95 = peg$literalExpectation(":nth-child(", false),
peg$c96 = function(n) { return nth(parseInt(n.join(''), 10)); },
peg$c97 = ":nth-last-child(",
peg$c98 = peg$literalExpectation(":nth-last-child(", false),
peg$c99 = function(n) { return nthLast(parseInt(n.join(''), 10)); },
peg$c100 = ":",
peg$c101 = peg$literalExpectation(":", false),
peg$c102 = "statement",
peg$c103 = peg$literalExpectation("statement", true),
peg$c104 = "expression",
peg$c105 = peg$literalExpectation("expression", true),
peg$c106 = "declaration",
peg$c107 = peg$literalExpectation("declaration", true),
peg$c108 = "function",
peg$c109 = peg$literalExpectation("function", true),
peg$c110 = "pattern",
peg$c111 = peg$literalExpectation("pattern", true),
peg$c112 = function(c) {
return { type: 'class', name: c };
},
peg$currPos = 0,
peg$posDetailsCache = [{ line: 1, column: 1 }],
peg$maxFailPos = 0,
peg$maxFailExpected = [],
peg$resultsCache = {},
peg$result;
if ("startRule" in options) {
if (!(options.startRule in peg$startRuleFunctions)) {
throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
}
peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
}
function peg$literalExpectation(text, ignoreCase) {
return { type: "literal", text: text, ignoreCase: ignoreCase };
}
function peg$classExpectation(parts, inverted, ignoreCase) {
return { type: "class", parts: parts, inverted: inverted, ignoreCase: ignoreCase };
}
function peg$anyExpectation() {
return { type: "any" };
}
function peg$endExpectation() {
return { type: "end" };
}
function peg$computePosDetails(pos) {
var details = peg$posDetailsCache[pos], p;
if (details) {
return details;
} else {
p = pos - 1;
while (!peg$posDetailsCache[p]) {
p--;
}
details = peg$posDetailsCache[p];
details = {
line: details.line,
column: details.column
};
while (p < pos) {
if (input.charCodeAt(p) === 10) {
details.line++;
details.column = 1;
} else {
details.column++;
}
p++;
}
peg$posDetailsCache[pos] = details;
return details;
}
}
function peg$computeLocation(startPos, endPos) {
var startPosDetails = peg$computePosDetails(startPos),
endPosDetails = peg$computePosDetails(endPos);
return {
start: {
offset: startPos,
line: startPosDetails.line,
column: startPosDetails.column
},
end: {
offset: endPos,
line: endPosDetails.line,
column: endPosDetails.column
}
};
}
function peg$fail(expected) {
if (peg$currPos < peg$maxFailPos) { return; }
if (peg$currPos > peg$maxFailPos) {
peg$maxFailPos = peg$currPos;
peg$maxFailExpected = [];
}
peg$maxFailExpected.push(expected);
}
function peg$buildStructuredError(expected, found, location) {
return new peg$SyntaxError(
peg$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parsestart() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 0,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseselectors();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c0(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s1 = peg$c1();
}
s0 = s1;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parse_() {
var s0, s1;
var key = peg$currPos * 30 + 1,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = [];
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
while (s1 !== peg$FAILED) {
s0.push(s1);
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseidentifierName() {
var s0, s1, s2;
var key = peg$currPos * 30 + 2,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = [];
if (peg$c4.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c5); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c4.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c5); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
s1 = peg$c6(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsebinaryOp() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 3,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 62) {
s2 = peg$c7;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c8); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c9();
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 126) {
s2 = peg$c10;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c11); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c12();
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 43) {
s2 = peg$c13;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c14); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c15();
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s1 = peg$c16();
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseselectors() {
var s0, s1, s2, s3, s4, s5, s6, s7;
var key = peg$currPos * 30 + 4,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseselector();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s5 = peg$c17;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c18); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
s7 = peg$parseselector();
if (s7 !== peg$FAILED) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s5 = peg$c17;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c18); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
s7 = peg$parseselector();
if (s7 !== peg$FAILED) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c19(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseselector() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 5,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parsesequence();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parsebinaryOp();
if (s4 !== peg$FAILED) {
s5 = peg$parsesequence();
if (s5 !== peg$FAILED) {
s4 = [s4, s5];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$currPos;
s4 = peg$parsebinaryOp();
if (s4 !== peg$FAILED) {
s5 = peg$parsesequence();
if (s5 !== peg$FAILED) {
s4 = [s4, s5];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c20(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsesequence() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 6,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 33) {
s1 = peg$c21;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c22); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parseatom();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parseatom();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s1 = peg$c23(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseatom() {
var s0;
var key = peg$currPos * 30 + 7,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$parsewildcard();
if (s0 === peg$FAILED) {
s0 = peg$parseidentifier();
if (s0 === peg$FAILED) {
s0 = peg$parseattr();
if (s0 === peg$FAILED) {
s0 = peg$parsefield();
if (s0 === peg$FAILED) {
s0 = peg$parsenegation();
if (s0 === peg$FAILED) {
s0 = peg$parsematches();
if (s0 === peg$FAILED) {
s0 = peg$parsehas();
if (s0 === peg$FAILED) {
s0 = peg$parsefirstChild();
if (s0 === peg$FAILED) {
s0 = peg$parselastChild();
if (s0 === peg$FAILED) {
s0 = peg$parsenthChild();
if (s0 === peg$FAILED) {
s0 = peg$parsenthLastChild();
if (s0 === peg$FAILED) {
s0 = peg$parseclass();
}
}
}
}
}
}
}
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsewildcard() {
var s0, s1;
var key = peg$currPos * 30 + 8,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 42) {
s1 = peg$c24;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c25); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c26(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseidentifier() {
var s0, s1, s2;
var key = peg$currPos * 30 + 9,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 35) {
s1 = peg$c27;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c28); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parseidentifierName();
if (s2 !== peg$FAILED) {
s1 = peg$c29(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattr() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 10,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c31); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrValue();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 93) {
s5 = peg$c32;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c33); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c34(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrOps() {
var s0, s1, s2;
var key = peg$currPos * 30 + 11,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (peg$c35.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c36); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 61) {
s2 = peg$c37;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c38); }
}
if (s2 !== peg$FAILED) {
s1 = peg$c39(s1);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
if (peg$c40.test(input.charAt(peg$currPos))) {
s0 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s0 = peg$FAILED;
{ peg$fail(peg$c41); }
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrEqOps() {
var s0, s1, s2;
var key = peg$currPos * 30 + 12,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 33) {
s1 = peg$c21;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c22); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 61) {
s2 = peg$c37;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c38); }
}
if (s2 !== peg$FAILED) {
s1 = peg$c39(s1);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrName() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 13,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseidentifierName();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s4 = peg$c42;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s4 !== peg$FAILED) {
s5 = peg$parseidentifierName();
if (s5 !== peg$FAILED) {
s4 = [s4, s5];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s4 = peg$c42;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s4 !== peg$FAILED) {
s5 = peg$parseidentifierName();
if (s5 !== peg$FAILED) {
s4 = [s4, s5];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c44(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrValue() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 14,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseattrName();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrEqOps();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parsetype();
if (s5 === peg$FAILED) {
s5 = peg$parseregex();
}
if (s5 !== peg$FAILED) {
s1 = peg$c45(s1, s3, s5);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseattrName();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrOps();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parsestring();
if (s5 === peg$FAILED) {
s5 = peg$parsenumber();
if (s5 === peg$FAILED) {
s5 = peg$parsepath();
}
}
if (s5 !== peg$FAILED) {
s1 = peg$c45(s1, s3, s5);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseattrName();
if (s1 !== peg$FAILED) {
s1 = peg$c46(s1);
}
s0 = s1;
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsestring() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 15,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 34) {
s1 = peg$c47;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c48); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c49.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c50); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c51;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c53); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c54(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c49.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c50); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c51;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c53); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c54(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 34) {
s3 = peg$c47;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c48); }
}
if (s3 !== peg$FAILED) {
s1 = peg$c55(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 39) {
s1 = peg$c56;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c57); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c58.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c59); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c51;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c53); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c54(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c58.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c59); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c51;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c53); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c54(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 39) {
s3 = peg$c56;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c57); }
}
if (s3 !== peg$FAILED) {
s1 = peg$c55(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenumber() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 16,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$currPos;
s2 = [];
if (peg$c60.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c61); }
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c60.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c61); }
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s3 = peg$c42;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s3 !== peg$FAILED) {
s2 = [s2, s3];
s1 = s2;
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c60.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c61); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c60.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c61); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s1 = peg$c62(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsepath() {
var s0, s1;
var key = peg$currPos * 30 + 17,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseidentifierName();
if (s1 !== peg$FAILED) {
s1 = peg$c63(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsetype() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 18,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c64) {
s1 = peg$c64;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c65); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c66.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c67); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c66.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c67); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c70(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseflags() {
var s0, s1;
var key = peg$currPos * 30 + 19,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = [];
if (peg$c71.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c72); }
}
if (s1 !== peg$FAILED) {
while (s1 !== peg$FAILED) {
s0.push(s1);
if (peg$c71.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c72); }
}
}
} else {
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseregex() {
var s0, s1, s2, s3, s4;
var key = peg$currPos * 30 + 20,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 47) {
s1 = peg$c73;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c74); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c75.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c76); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c75.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c76); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 47) {
s3 = peg$c73;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c74); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parseflags();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
s1 = peg$c77(s2, s4);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsefield() {
var s0, s1, s2, s3, s4, s5, s6;
var key = peg$currPos * 30 + 21,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s1 = peg$c42;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseidentifierName();
if (s2 !== peg$FAILED) {
s3 = [];
s4 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s5 = peg$c42;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parseidentifierName();
if (s6 !== peg$FAILED) {
s5 = [s5, s6];
s4 = s5;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s5 = peg$c42;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parseidentifierName();
if (s6 !== peg$FAILED) {
s5 = [s5, s6];
s4 = s5;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
}
if (s3 !== peg$FAILED) {
s1 = peg$c78(s2, s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenegation() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 22,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c79) {
s1 = peg$c79;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c80); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c81(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsematches() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 23,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 9) === peg$c82) {
s1 = peg$c82;
peg$currPos += 9;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c83); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c84(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsehas() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 24,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c85) {
s1 = peg$c85;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c86); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c87(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsefirstChild() {
var s0, s1;
var key = peg$currPos * 30 + 25,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 12) === peg$c88) {
s1 = peg$c88;
peg$currPos += 12;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c89); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c90();
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parselastChild() {
var s0, s1;
var key = peg$currPos * 30 + 26,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 11) === peg$c91) {
s1 = peg$c91;
peg$currPos += 11;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c92); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c93();
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenthChild() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 27,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 11) === peg$c94) {
s1 = peg$c94;
peg$currPos += 11;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c95); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c60.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c61); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c60.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c61); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c96(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenthLastChild() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 28,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 16) === peg$c97) {
s1 = peg$c97;
peg$currPos += 16;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c98); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c60.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c61); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c60.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c61); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c68;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c69); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c99(s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseclass() {
var s0, s1, s2;
var key = peg$currPos * 30 + 29,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 58) {
s1 = peg$c100;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c101); }
}
if (s1 !== peg$FAILED) {
if (input.substr(peg$currPos, 9).toLowerCase() === peg$c102) {
s2 = input.substr(peg$currPos, 9);
peg$currPos += 9;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c103); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 10).toLowerCase() === peg$c104) {
s2 = input.substr(peg$currPos, 10);
peg$currPos += 10;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c105); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 11).toLowerCase() === peg$c106) {
s2 = input.substr(peg$currPos, 11);
peg$currPos += 11;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c107); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 8).toLowerCase() === peg$c108) {
s2 = input.substr(peg$currPos, 8);
peg$currPos += 8;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c109); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 7).toLowerCase() === peg$c110) {
s2 = input.substr(peg$currPos, 7);
peg$currPos += 7;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c111); }
}
}
}
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c112(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }
function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }
function strUnescape(s) {
return s.replace(/\\(.)/g, function(match, ch) {
switch(ch) {
case 'b': return '\b';
case 'f': return '\f';
case 'n': return '\n';
case 'r': return '\r';
case 't': return '\t';
case 'v': return '\v';
default: return ch;
}
});
}
peg$result = peg$startRuleFunction();
if (peg$result !== peg$FAILED && peg$currPos === input.length) {
return peg$result;
} else {
if (peg$result !== peg$FAILED && peg$currPos < input.length) {
peg$fail(peg$endExpectation());
}
throw peg$buildStructuredError(
peg$maxFailExpected,
peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
peg$maxFailPos < input.length
? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
: peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
);
}
}
return {
SyntaxError: peg$SyntaxError,
parse: peg$parse
};
});
} (parser$1));
var parser = parser$1.exports;
/* vim: set sw=4 sts=4 : */
/**
* @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side
*/
const LEFT_SIDE = 'LEFT_SIDE';
const RIGHT_SIDE = 'RIGHT_SIDE';
/**
* @external AST
* @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html
*/
/**
* One of the rules of `grammar.pegjs`
* @typedef {PlainObject} SelectorAST
* @see grammar.pegjs
*/
/**
* The `sequence` production of `grammar.pegjs`
* @typedef {PlainObject} SelectorSequenceAST
*/
/**
* Get the value of a property which may be multiple levels down
* in the object.
* @param {?PlainObject} obj
* @param {string[]} keys
* @returns {undefined|boolean|string|number|external:AST}
*/
function getPath(obj, keys) {
for (let i = 0; i < keys.length; ++i) {
if (obj == null) { return obj; }
obj = obj[keys[i]];
}
return obj;
}
/**
* Determine whether `node` can be reached by following `path`,
* starting at `ancestor`.
* @param {?external:AST} node
* @param {?external:AST} ancestor
* @param {string[]} path
* @param {Integer} fromPathIndex
* @returns {boolean}
*/
function inPath(node, ancestor, path, fromPathIndex) {
let current = ancestor;
for (let i = fromPathIndex; i < path.length; ++i) {
if (current == null) {
return false;
}
const field = current[path[i]];
if (Array.isArray(field)) {
for (let k = 0; k < field.length; ++k) {
if (inPath(node, field[k], path, i + 1)) {
return true;
}
}
return false;
}
current = field;
}
return node === current;
}
/**
* A generated matcher function for a selector.
* @typedef {function} SelectorMatcher
*/
/**
* A WeakMap for holding cached matcher functions for selectors.
* @type {WeakMap<SelectorAST, SelectorMatcher>}
*/
const MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap : null;
/**
* Look up a matcher function for `selector` in the cache.
* If it does not exist, generate it with `generateMatcher` and add it to the cache.
* In engines without WeakMap, the caching is skipped and matchers are generated with every call.
* @param {?SelectorAST} selector
* @returns {SelectorMatcher}
*/
function getMatcher(selector) {
if (selector == null) {
return () => true;
}
if (MATCHER_CACHE != null) {
let matcher = MATCHER_CACHE.get(selector);
if (matcher != null) {
return matcher;
}
matcher = generateMatcher(selector);
MATCHER_CACHE.set(selector, matcher);
return matcher;
}
return generateMatcher(selector);
}
/**
* Create a matcher function for `selector`,
* @param {?SelectorAST} selector
* @returns {SelectorMatcher}
*/
function generateMatcher(selector) {
switch(selector.type) {
case 'wildcard':
return () => true;
case 'identifier': {
const value = selector.value.toLowerCase();
return (node) => value === node.type.toLowerCase();
}
case 'field': {
const path = selector.name.split('.');
return (node, ancestry) => {
const ancestor = ancestry[path.length - 1];
return inPath(node, ancestor, path, 0);
};
}
case 'matches': {
const matchers = selector.selectors.map(getMatcher);
return (node, ancestry, options) => {
for (let i = 0; i < matchers.length; ++i) {
if (matchers[i](node, ancestry, options)) { return true; }
}
return false;
};
}
case 'compound': {
const matchers = selector.selectors.map(getMatcher);
return (node, ancestry, options) => {
for (let i = 0; i < matchers.length; ++i) {
if (!matchers[i](node, ancestry, options)) { return false; }
}
return true;
};
}
case 'not': {
const matchers = selector.selectors.map(getMatcher);
return (node, ancestry, options) => {
for (let i = 0; i < matchers.length; ++i) {
if (matchers[i](node, ancestry, options)) { return false; }
}
return true;
};
}
case 'has': {
const matchers = selector.selectors.map(getMatcher);
return (node, ancestry, options) => {
let result = false;
const a = [];
estraverse.traverse(node, {
enter (node, parent) {
if (parent != null) { a.unshift(parent); }
for (let i = 0; i < matchers.length; ++i) {
if (matchers[i](node, a, options)) {
result = true;
this.break();
return;
}
}
},
leave () { a.shift(); },
keys: options && options.visitorKeys,
fallback: options && options.fallback || 'iteration'
});
return result;
};
}
case 'child': {
const left = getMatcher(selector.left);
const right = getMatcher(selector.right);
return (node, ancestry, options) => {
if (ancestry.length > 0 && right(node, ancestry, options)) {
return left(ancestry[0], ancestry.slice(1), options);
}
return false;
};
}
case 'descendant': {
const left = getMatcher(selector.left);
const right = getMatcher(selector.right);
return (node, ancestry, options) => {
if (right(node, ancestry, options)) {
for (let i = 0, l = ancestry.length; i < l; ++i) {
if (left(ancestry[i], ancestry.slice(i + 1), options)) {
return true;
}
}
}
return false;
};
}
case 'attribute': {
const path = selector.name.split('.');
switch (selector.operator) {
case void 0:
return (node) => getPath(node, path) != null;
case '=':
switch (selector.value.type) {
case 'regexp':
return (node) => {
const p = getPath(node, path);
return typeof p === 'string' && selector.value.value.test(p);
};
case 'literal': {
const literal = `${selector.value.value}`;
return (node) => literal === `${getPath(node, path)}`;
}
case 'type':
return (node) => selector.value.value === typeof getPath(node, path);
}
throw new Error(`Unknown selector value type: ${selector.value.type}`);
case '!=':
switch (selector.value.type) {
case 'regexp':
return (node) => !selector.value.value.test(getPath(node, path));
case 'literal': {
const literal = `${selector.value.value}`;
return (node) => literal !== `${getPath(node, path)}`;
}
case 'type':
return (node) => selector.value.value !== typeof getPath(node, path);
}
throw new Error(`Unknown selector value type: ${selector.value.type}`);
case '<=':
return (node) => getPath(node, path) <= selector.value.value;
case '<':
return (node) => getPath(node, path) < selector.value.value;
case '>':
return (node) => getPath(node, path) > selector.value.value;
case '>=':
return (node) => getPath(node, path) >= selector.value.value;
}
throw new Error(`Unknown operator: ${selector.operator}`);
}
case 'sibling': {
const left = getMatcher(selector.left);
const right = getMatcher(selector.right);
return (node, ancestry, options) =>
right(node, ancestry, options) &&
sibling(node, left, ancestry, LEFT_SIDE, options) ||
selector.left.subject &&
left(node, ancestry, options) &&
sibling(node, right, ancestry, RIGHT_SIDE, options);
}
case 'adjacent': {
const left = getMatcher(selector.left);
const right = getMatcher(selector.right);
return (node, ancestry, options) =>
right(node, ancestry, options) &&
adjacent(node, left, ancestry, LEFT_SIDE, options) ||
selector.right.subject &&
left(node, ancestry, options) &&
adjacent(node, right, ancestry, RIGHT_SIDE, options);
}
case 'nth-child': {
const nth = selector.index.value;
const right = getMatcher(selector.right);
return (node, ancestry, options) =>
right(node, ancestry, options) &&
nthChild(node, ancestry, nth, options);
}
case 'nth-last-child': {
const nth = -selector.index.value;
const right = getMatcher(selector.right);
return (node, ancestry, options) =>
right(node, ancestry, options) &&
nthChild(node, ancestry, nth, options);
}
case 'class': {
const name = selector.name.toLowerCase();
return (node, ancestry) => {
switch(name){
case 'statement':
if(node.type.slice(-9) === 'Statement') return true;
// fallthrough: interface Declaration <: Statement { }
case 'declaration':
return node.type.slice(-11) === 'Declaration';
case 'pattern':
if(node.type.slice(-7) === 'Pattern') return true;
// fallthrough: interface Expression <: Node, Pattern { }
case 'expression':
return node.type.slice(-10) === 'Expression' ||
node.type.slice(-7) === 'Literal' ||
(
node.type === 'Identifier' &&
(ancestry.length === 0 || ancestry[0].type !== 'MetaProperty')
) ||
node.type === 'MetaProperty';
case 'function':
return node.type === 'FunctionDeclaration' ||
node.type === 'FunctionExpression' ||
node.type === 'ArrowFunctionExpression';
}
throw new Error(`Unknown class name: ${selector.name}`);
};
}
}
throw new Error(`Unknown selector type: ${selector.type}`);
}
/**
* @callback TraverseOptionFallback
* @param {external:AST} node The given node.
* @returns {string[]} An array of visitor keys for the given node.
*/
/**
* @typedef {object} ESQueryOptions
* @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node.
* @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes.
*/
/**
* Given a `node` and its ancestors, determine if `node` is matched
* by `selector`.
* @param {?external:AST} node
* @param {?SelectorAST} selector
* @param {external:AST[]} [ancestry=[]]
* @param {ESQueryOptions} [options]
* @throws {Error} Unknowns (operator, class name, selector type, or
* selector value type)
* @returns {boolean}
*/
function matches(node, selector, ancestry, options) {
if (!selector) { return true; }
if (!node) { return false; }
if (!ancestry) { ancestry = []; }
return getMatcher(selector)(node, ancestry, options);
}
/**
* Get visitor keys of a given node.
* @param {external:AST} node The AST node to get keys.
* @param {ESQueryOptions|undefined} options
* @returns {string[]} Visitor keys of the node.
*/
function getVisitorKeys(node, options) {
const nodeType = node.type;
if (options && options.visitorKeys && options.visitorKeys[nodeType]) {
return options.visitorKeys[nodeType];
}
if (estraverse.VisitorKeys[nodeType]) {
return estraverse.VisitorKeys[nodeType];
}
if (options && typeof options.fallback === 'function') {
return options.fallback(node);
}
// 'iteration' fallback
return Object.keys(node).filter(function (key) {
return key !== 'type';
});
}
/**
* Check whether the given value is an ASTNode or not.
* @param {any} node The value to check.
* @returns {boolean} `true` if the value is an ASTNode.
*/
function isNode(node) {
return node !== null && typeof node === 'object' && typeof node.type === 'string';
}
/**
* Determines if the given node has a sibling that matches the
* given selector matcher.
* @param {external:AST} node
* @param {SelectorMatcher} matcher
* @param {external:AST[]} ancestry
* @param {Side} side
* @param {ESQueryOptions|undefined} options
* @returns {boolean}
*/
function sibling(node, matcher, ancestry, side, options) {
const [parent] = ancestry;
if (!parent) { return false; }
const keys = getVisitorKeys(parent, options);
for (let i = 0; i < keys.length; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)) {
const startIndex = listProp.indexOf(node);
if (startIndex < 0) { continue; }
let lowerBound, upperBound;
if (side === LEFT_SIDE) {
lowerBound = 0;
upperBound = startIndex;
} else {
lowerBound = startIndex + 1;
upperBound = listProp.length;
}
for (let k = lowerBound; k < upperBound; ++k) {
if (isNode(listProp[k]) && matcher(listProp[k], ancestry, options)) {
return true;
}
}
}
}
return false;
}
/**
* Determines if the given node has an adjacent sibling that matches
* the given selector matcher.
* @param {external:AST} node
* @param {SelectorMatcher} matcher
* @param {external:AST[]} ancestry
* @param {Side} side
* @param {ESQueryOptions|undefined} options
* @returns {boolean}
*/
function adjacent(node, matcher, ancestry, side, options) {
const [parent] = ancestry;
if (!parent) { return false; }
const keys = getVisitorKeys(parent, options);
for (let i = 0; i < keys.length; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)) {
const idx = listProp.indexOf(node);
if (idx < 0) { continue; }
if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1]) && matcher(listProp[idx - 1], ancestry, options)) {
return true;
}
if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1]) && matcher(listProp[idx + 1], ancestry, options)) {
return true;
}
}
}
return false;
}
/**
* Determines if the given node is the `nth` child.
* If `nth` is negative then the position is counted
* from the end of the list of children.
* @param {external:AST} node
* @param {external:AST[]} ancestry
* @param {Integer} nth
* @param {ESQueryOptions|undefined} options
* @returns {boolean}
*/
function nthChild(node, ancestry, nth, options) {
if (nth === 0) { return false; }
const [parent] = ancestry;
if (!parent) { return false; }
const keys = getVisitorKeys(parent, options);
for (let i = 0; i < keys.length; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)){
const idx = nth < 0 ? listProp.length + nth : nth - 1;
if (idx >= 0 && idx < listProp.length && listProp[idx] === node) {
return true;
}
}
}
return false;
}
/**
* For each selector node marked as a subject, find the portion of the
* selector that the subject must match.
* @param {SelectorAST} selector
* @param {SelectorAST} [ancestor] Defaults to `selector`
* @returns {SelectorAST[]}
*/
function subjects(selector, ancestor) {
if (selector == null || typeof selector != 'object') { return []; }
if (ancestor == null) { ancestor = selector; }
const results = selector.subject ? [ancestor] : [];
const keys = Object.keys(selector);
for (let i = 0; i < keys.length; ++i) {
const p = keys[i];
const sel = selector[p];
results.push(...subjects(sel, p === 'left' ? sel : ancestor));
}
return results;
}
/**
* @callback TraverseVisitor
* @param {?external:AST} node
* @param {?external:AST} parent
* @param {external:AST[]} ancestry
*/
/**
* From a JS AST and a selector AST, collect all JS AST nodes that
* match the selector.
* @param {external:AST} ast
* @param {?SelectorAST} selector
* @param {TraverseVisitor} visitor
* @param {ESQueryOptions} [options]
* @returns {external:AST[]}
*/
function traverse(ast, selector, visitor, options) {
if (!selector) { return; }
const ancestry = [];
const matcher = getMatcher(selector);
const altSubjects = subjects(selector).map(getMatcher);
estraverse.traverse(ast, {
enter (node, parent) {
if (parent != null) { ancestry.unshift(parent); }
if (matcher(node, ancestry, options)) {
if (altSubjects.length) {
for (let i = 0, l = altSubjects.length; i < l; ++i) {
if (altSubjects[i](node, ancestry, options)) {
visitor(node, parent, ancestry);
}
for (let k = 0, m = ancestry.length; k < m; ++k) {
const succeedingAncestry = ancestry.slice(k + 1);
if (altSubjects[i](ancestry[k], succeedingAncestry, options)) {
visitor(ancestry[k], parent, succeedingAncestry);
}
}
}
} else {
visitor(node, parent, ancestry);
}
}
},
leave () { ancestry.shift(); },
keys: options && options.visitorKeys,
fallback: options && options.fallback || 'iteration'
});
}
/**
* From a JS AST and a selector AST, collect all JS AST nodes that
* match the selector.
* @param {external:AST} ast
* @param {?SelectorAST} selector
* @param {ESQueryOptions} [options]
* @returns {external:AST[]}
*/
function match(ast, selector, options) {
const results = [];
traverse(ast, selector, function (node) {
results.push(node);
}, options);
return results;
}
/**
* Parse a selector string and return its AST.
* @param {string} selector
* @returns {SelectorAST}
*/
function parse(selector) {
return parser.parse(selector);
}
/**
* Query the code AST using the selector string.
* @param {external:AST} ast
* @param {string} selector
* @param {ESQueryOptions} [options]
* @returns {external:AST[]}
*/
function query(ast, selector, options) {
return match(ast, parse(selector), options);
}
query.parse = parse;
query.match = match;
query.traverse = traverse;
query.matches = matches;
query.query = query;
export { query as default };
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