From e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Mon, 16 Nov 2020 00:10:28 +0100 Subject: api, login, auth --- node_modules/babel-traverse/lib/path/evaluation.js | 398 +++++++++++++++++++++ 1 file changed, 398 insertions(+) create mode 100644 node_modules/babel-traverse/lib/path/evaluation.js (limited to 'node_modules/babel-traverse/lib/path/evaluation.js') diff --git a/node_modules/babel-traverse/lib/path/evaluation.js b/node_modules/babel-traverse/lib/path/evaluation.js new file mode 100644 index 0000000..86aac21 --- /dev/null +++ b/node_modules/babel-traverse/lib/path/evaluation.js @@ -0,0 +1,398 @@ +"use strict"; + +exports.__esModule = true; + +var _typeof2 = require("babel-runtime/helpers/typeof"); + +var _typeof3 = _interopRequireDefault(_typeof2); + +var _getIterator2 = require("babel-runtime/core-js/get-iterator"); + +var _getIterator3 = _interopRequireDefault(_getIterator2); + +var _map = require("babel-runtime/core-js/map"); + +var _map2 = _interopRequireDefault(_map); + +exports.evaluateTruthy = evaluateTruthy; +exports.evaluate = evaluate; + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var VALID_CALLEES = ["String", "Number", "Math"]; +var INVALID_METHODS = ["random"]; + +function evaluateTruthy() { + var res = this.evaluate(); + if (res.confident) return !!res.value; +} + +function evaluate() { + var confident = true; + var deoptPath = void 0; + var seen = new _map2.default(); + + function deopt(path) { + if (!confident) return; + deoptPath = path; + confident = false; + } + + var value = evaluate(this); + if (!confident) value = undefined; + return { + confident: confident, + deopt: deoptPath, + value: value + }; + + function evaluate(path) { + var node = path.node; + + + if (seen.has(node)) { + var existing = seen.get(node); + if (existing.resolved) { + return existing.value; + } else { + deopt(path); + return; + } + } else { + var item = { resolved: false }; + seen.set(node, item); + + var val = _evaluate(path); + if (confident) { + item.resolved = true; + item.value = val; + } + return val; + } + } + + function _evaluate(path) { + if (!confident) return; + + var node = path.node; + + + if (path.isSequenceExpression()) { + var exprs = path.get("expressions"); + return evaluate(exprs[exprs.length - 1]); + } + + if (path.isStringLiteral() || path.isNumericLiteral() || path.isBooleanLiteral()) { + return node.value; + } + + if (path.isNullLiteral()) { + return null; + } + + if (path.isTemplateLiteral()) { + var str = ""; + + var i = 0; + var _exprs = path.get("expressions"); + + for (var _iterator = node.quasis, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) { + var _ref; + + if (_isArray) { + if (_i >= _iterator.length) break; + _ref = _iterator[_i++]; + } else { + _i = _iterator.next(); + if (_i.done) break; + _ref = _i.value; + } + + var elem = _ref; + + if (!confident) break; + + str += elem.value.cooked; + + var expr = _exprs[i++]; + if (expr) str += String(evaluate(expr)); + } + + if (!confident) return; + return str; + } + + if (path.isConditionalExpression()) { + var testResult = evaluate(path.get("test")); + if (!confident) return; + if (testResult) { + return evaluate(path.get("consequent")); + } else { + return evaluate(path.get("alternate")); + } + } + + if (path.isExpressionWrapper()) { + return evaluate(path.get("expression")); + } + + if (path.isMemberExpression() && !path.parentPath.isCallExpression({ callee: node })) { + var property = path.get("property"); + var object = path.get("object"); + + if (object.isLiteral() && property.isIdentifier()) { + var _value = object.node.value; + var type = typeof _value === "undefined" ? "undefined" : (0, _typeof3.default)(_value); + if (type === "number" || type === "string") { + return _value[property.node.name]; + } + } + } + + if (path.isReferencedIdentifier()) { + var binding = path.scope.getBinding(node.name); + + if (binding && binding.constantViolations.length > 0) { + return deopt(binding.path); + } + + if (binding && path.node.start < binding.path.node.end) { + return deopt(binding.path); + } + + if (binding && binding.hasValue) { + return binding.value; + } else { + if (node.name === "undefined") { + return binding ? deopt(binding.path) : undefined; + } else if (node.name === "Infinity") { + return binding ? deopt(binding.path) : Infinity; + } else if (node.name === "NaN") { + return binding ? deopt(binding.path) : NaN; + } + + var resolved = path.resolve(); + if (resolved === path) { + return deopt(path); + } else { + return evaluate(resolved); + } + } + } + + if (path.isUnaryExpression({ prefix: true })) { + if (node.operator === "void") { + return undefined; + } + + var argument = path.get("argument"); + if (node.operator === "typeof" && (argument.isFunction() || argument.isClass())) { + return "function"; + } + + var arg = evaluate(argument); + if (!confident) return; + switch (node.operator) { + case "!": + return !arg; + case "+": + return +arg; + case "-": + return -arg; + case "~": + return ~arg; + case "typeof": + return typeof arg === "undefined" ? "undefined" : (0, _typeof3.default)(arg); + } + } + + if (path.isArrayExpression()) { + var arr = []; + var elems = path.get("elements"); + for (var _iterator2 = elems, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) { + var _ref2; + + if (_isArray2) { + if (_i2 >= _iterator2.length) break; + _ref2 = _iterator2[_i2++]; + } else { + _i2 = _iterator2.next(); + if (_i2.done) break; + _ref2 = _i2.value; + } + + var _elem = _ref2; + + _elem = _elem.evaluate(); + + if (_elem.confident) { + arr.push(_elem.value); + } else { + return deopt(_elem); + } + } + return arr; + } + + if (path.isObjectExpression()) { + var obj = {}; + var props = path.get("properties"); + for (var _iterator3 = props, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) { + var _ref3; + + if (_isArray3) { + if (_i3 >= _iterator3.length) break; + _ref3 = _iterator3[_i3++]; + } else { + _i3 = _iterator3.next(); + if (_i3.done) break; + _ref3 = _i3.value; + } + + var prop = _ref3; + + if (prop.isObjectMethod() || prop.isSpreadProperty()) { + return deopt(prop); + } + var keyPath = prop.get("key"); + var key = keyPath; + if (prop.node.computed) { + key = key.evaluate(); + if (!key.confident) { + return deopt(keyPath); + } + key = key.value; + } else if (key.isIdentifier()) { + key = key.node.name; + } else { + key = key.node.value; + } + var valuePath = prop.get("value"); + var _value2 = valuePath.evaluate(); + if (!_value2.confident) { + return deopt(valuePath); + } + _value2 = _value2.value; + obj[key] = _value2; + } + return obj; + } + + if (path.isLogicalExpression()) { + var wasConfident = confident; + var left = evaluate(path.get("left")); + var leftConfident = confident; + confident = wasConfident; + var right = evaluate(path.get("right")); + var rightConfident = confident; + confident = leftConfident && rightConfident; + + switch (node.operator) { + case "||": + if (left && leftConfident) { + confident = true; + return left; + } + + if (!confident) return; + + return left || right; + case "&&": + if (!left && leftConfident || !right && rightConfident) { + confident = true; + } + + if (!confident) return; + + return left && right; + } + } + + if (path.isBinaryExpression()) { + var _left = evaluate(path.get("left")); + if (!confident) return; + var _right = evaluate(path.get("right")); + if (!confident) return; + + switch (node.operator) { + case "-": + return _left - _right; + case "+": + return _left + _right; + case "/": + return _left / _right; + case "*": + return _left * _right; + case "%": + return _left % _right; + case "**": + return Math.pow(_left, _right); + case "<": + return _left < _right; + case ">": + return _left > _right; + case "<=": + return _left <= _right; + case ">=": + return _left >= _right; + case "==": + return _left == _right; + case "!=": + return _left != _right; + case "===": + return _left === _right; + case "!==": + return _left !== _right; + case "|": + return _left | _right; + case "&": + return _left & _right; + case "^": + return _left ^ _right; + case "<<": + return _left << _right; + case ">>": + return _left >> _right; + case ">>>": + return _left >>> _right; + } + } + + if (path.isCallExpression()) { + var callee = path.get("callee"); + var context = void 0; + var func = void 0; + + if (callee.isIdentifier() && !path.scope.getBinding(callee.node.name, true) && VALID_CALLEES.indexOf(callee.node.name) >= 0) { + func = global[node.callee.name]; + } + + if (callee.isMemberExpression()) { + var _object = callee.get("object"); + var _property = callee.get("property"); + + if (_object.isIdentifier() && _property.isIdentifier() && VALID_CALLEES.indexOf(_object.node.name) >= 0 && INVALID_METHODS.indexOf(_property.node.name) < 0) { + context = global[_object.node.name]; + func = context[_property.node.name]; + } + + if (_object.isLiteral() && _property.isIdentifier()) { + var _type = (0, _typeof3.default)(_object.node.value); + if (_type === "string" || _type === "number") { + context = _object.node.value; + func = context[_property.node.name]; + } + } + } + + if (func) { + var args = path.get("arguments").map(evaluate); + if (!confident) return; + + return func.apply(context, args); + } + } + + deopt(path); + } +} \ No newline at end of file -- cgit v1.2.3