add linting (and some initial fixes)

1 files changed, 56 insertions, 0 deletions

diff --git a/node_modules/babel-plugin-espower/lib/to-be-captured.js b/node_modules/babel-plugin-espower/lib/to-be-captured.js
new file mode 100644
index 000000000..248fe5366
--- /dev/null
+++ b/node_modules/babel-plugin-espower/lib/to-be-captured.js
@@ -0,0 +1,56 @@
+'use strict';
+
+var typesToBeCaptured = [
+    'Identifier',
+    'BinaryExpression',
+    'MemberExpression',
+    'CallExpression',
+    'UnaryExpression',
+    'LogicalExpression',
+    'ArrayExpression',
+    'ObjectExpression',
+    'TemplateLiteral',
+    'YieldExpression',
+    'AwaitExpression',
+    'NewExpression',
+    'AssignmentExpression',
+    'UpdateExpression',
+    'TaggedTemplateExpression'
+];
+
+function isCaputuringTargetType (types, nodePath) {
+    var currentNode = nodePath.node;
+    return typesToBeCaptured.some(function (nodeType) {
+        return types['is' + nodeType](currentNode);
+    });
+}
+
+function isCalleeOfParent(types, nodePath) {
+    var currentKey = nodePath.key;
+    var parentNode = nodePath.parent;
+    return (types.isCallExpression(parentNode) || types.isNewExpression(parentNode)) && currentKey === 'callee';
+}
+
+function isChildOfTaggedTemplateExpression(types, nodePath) {
+    var parentNode = nodePath.parent;
+    return types.isTaggedTemplateExpression(parentNode);
+}
+
+function isYieldOrAwaitArgument(types, nodePath) {
+    var currentKey = nodePath.key;
+    var parentNode = nodePath.parent;
+    // capture the yielded/await result, not the promise
+    return (types.isYieldExpression(parentNode) || types.isAwaitExpression(parentNode)) && currentKey === 'argument';
+}
+
+var blacklist = [
+    isYieldOrAwaitArgument,
+    isCalleeOfParent,
+    isChildOfTaggedTemplateExpression
+];
+
+module.exports = function toBeCaptured (types, nodePath) {
+    return isCaputuringTargetType(types, nodePath) && !blacklist.some(function (predicate) {
+        return predicate(types, nodePath);
+    });
+};