You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.6 KiB
JavaScript
108 lines
3.6 KiB
JavaScript
6 years ago
|
'use strict';
|
||
|
|
||
|
var typesNotToBeSkippedDuringCapturing = [
|
||
|
'Identifier',
|
||
|
'BinaryExpression',
|
||
|
'MemberExpression',
|
||
|
'CallExpression',
|
||
|
'UnaryExpression',
|
||
|
'LogicalExpression',
|
||
|
'ArrayExpression',
|
||
|
'ObjectExpression',
|
||
|
'SequenceExpression',
|
||
|
'TemplateLiteral',
|
||
|
'YieldExpression',
|
||
|
'AwaitExpression',
|
||
|
'NewExpression',
|
||
|
'AssignmentExpression',
|
||
|
'UpdateExpression',
|
||
|
'TaggedTemplateExpression',
|
||
|
'ConditionalExpression',
|
||
|
'SpreadElement',
|
||
|
'Property'
|
||
|
];
|
||
|
|
||
|
function isTypeNotToBeSkippedDuringCapturing (types, nodePath) {
|
||
|
var currentNode = nodePath.node;
|
||
|
return typesNotToBeSkippedDuringCapturing.some(function (nodeType) {
|
||
|
return types['is' + nodeType](currentNode);
|
||
|
});
|
||
|
}
|
||
|
|
||
|
function isTypeToBeSkippedDuringCapturing (types, nodePath) {
|
||
|
return !isTypeNotToBeSkippedDuringCapturing(types, nodePath);
|
||
|
}
|
||
|
|
||
|
function isLeftHandSideOfAssignment(types, nodePath) {
|
||
|
var currentKey = nodePath.key;
|
||
|
var parentNode = nodePath.parent;
|
||
|
// Do not instrument left due to 'Invalid left-hand side in assignment'
|
||
|
return types.isAssignmentExpression(parentNode) && currentKey === 'left';
|
||
|
}
|
||
|
|
||
|
function isChildOfObjectLiteral (types, parentNode) {
|
||
|
return types.isObjectProperty(parentNode) ||
|
||
|
types.isObjectMethod(parentNode) ||
|
||
|
types.isSpreadProperty(parentNode);
|
||
|
}
|
||
|
|
||
|
function isObjectLiteralKey (types, parentNode, currentKey) {
|
||
|
return isChildOfObjectLiteral(types, parentNode) && currentKey === 'key';
|
||
|
}
|
||
|
|
||
|
function isObjectLiteralValue (types, parentNode, currentKey) {
|
||
|
return isChildOfObjectLiteral(types, parentNode) && currentKey === 'value';
|
||
|
}
|
||
|
|
||
|
function isNonComputedObjectLiteralKey(types, nodePath) {
|
||
|
var currentKey = nodePath.key;
|
||
|
var parentNode = nodePath.parent;
|
||
|
// Do not instrument non-computed Object literal key
|
||
|
return isObjectLiteralKey(types, parentNode, currentKey) && !parentNode.computed;
|
||
|
}
|
||
|
|
||
|
function isShorthandedValueOfObjectLiteral(types, nodePath) {
|
||
|
var currentKey = nodePath.key;
|
||
|
var parentNode = nodePath.parent;
|
||
|
// Do not instrument shorthanded Object literal value
|
||
|
return isObjectLiteralValue(types, parentNode, currentKey) && parentNode.shorthand;
|
||
|
}
|
||
|
|
||
|
function isUpdateExpression(types, nodePath) {
|
||
|
var parentNode = nodePath.parent;
|
||
|
// Just wrap UpdateExpression, not digging in.
|
||
|
return types.isUpdateExpression(parentNode);
|
||
|
}
|
||
|
|
||
|
function isCallExpressionWithNonComputedMemberExpression(types, nodePath) {
|
||
|
var currentKey = nodePath.key;
|
||
|
var currentNode = nodePath.node;
|
||
|
var parentNode = nodePath.parent;
|
||
|
// Do not instrument non-computed property of MemberExpression within CallExpression.
|
||
|
return types.isIdentifier(currentNode) && types.isMemberExpression(parentNode) && !parentNode.computed && currentKey === 'property';
|
||
|
}
|
||
|
|
||
|
function isTypeOfOrDeleteUnaryExpression(types, nodePath) {
|
||
|
var currentKey = nodePath.key;
|
||
|
var currentNode = nodePath.node;
|
||
|
var parentNode = nodePath.parent;
|
||
|
// 'typeof Identifier' or 'delete Identifier' is not instrumented
|
||
|
return types.isIdentifier(currentNode) && types.isUnaryExpression(parentNode) && (parentNode.operator === 'typeof' || parentNode.operator === 'delete') && currentKey === 'argument';
|
||
|
}
|
||
|
|
||
|
var criteriaForSkipping = [
|
||
|
isTypeToBeSkippedDuringCapturing,
|
||
|
isLeftHandSideOfAssignment,
|
||
|
isNonComputedObjectLiteralKey,
|
||
|
isShorthandedValueOfObjectLiteral,
|
||
|
isUpdateExpression,
|
||
|
isCallExpressionWithNonComputedMemberExpression,
|
||
|
isTypeOfOrDeleteUnaryExpression,
|
||
|
];
|
||
|
|
||
|
module.exports = function toBeSkipped (types, nodePath) {
|
||
|
return criteriaForSkipping.some(function (predicate) {
|
||
|
return predicate(types, nodePath);
|
||
|
});
|
||
|
};
|