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