my-idlers/node_modules/@babel/helper-define-polyfill-provider/lib/visitors/usage.js

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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _utils = require("../utils");
var _default = callProvider => {
function property(object, key, placement, path) {
return callProvider({
kind: "property",
object,
key,
placement
}, path);
}
return {
// Symbol(), new Promise
ReferencedIdentifier(path) {
const {
node: {
name
},
scope
} = path;
if (scope.getBindingIdentifier(name)) return;
callProvider({
kind: "global",
name
}, path);
},
MemberExpression(path) {
const key = (0, _utils.resolveKey)(path.get("property"), path.node.computed);
if (!key || key === "prototype") return;
const object = path.get("object");
const binding = object.scope.getBinding(object.node.name);
if (binding && binding.path.isImportNamespaceSpecifier()) return;
const source = (0, _utils.resolveSource)(object);
return property(source.id, key, source.placement, path);
},
ObjectPattern(path) {
const {
parentPath,
parent
} = path;
let obj; // const { keys, values } = Object
if (parentPath.isVariableDeclarator()) {
obj = parentPath.get("init"); // ({ keys, values } = Object)
} else if (parentPath.isAssignmentExpression()) {
obj = parentPath.get("right"); // !function ({ keys, values }) {...} (Object)
// resolution does not work after properties transform :-(
} else if (parentPath.isFunction()) {
const grand = parentPath.parentPath;
if (grand.isCallExpression() || grand.isNewExpression()) {
if (grand.node.callee === parent) {
obj = grand.get("arguments")[path.key];
}
}
}
let id = null;
let placement = null;
if (obj) ({
id,
placement
} = (0, _utils.resolveSource)(obj));
for (const prop of path.get("properties")) {
if (prop.isObjectProperty()) {
const key = (0, _utils.resolveKey)(prop.get("key"));
if (key) property(id, key, placement, prop);
}
}
},
BinaryExpression(path) {
if (path.node.operator !== "in") return;
const source = (0, _utils.resolveSource)(path.get("right"));
const key = (0, _utils.resolveKey)(path.get("left"), true);
if (!key) return;
callProvider({
kind: "in",
object: source.id,
key,
placement: source.placement
}, path);
}
};
};
exports.default = _default;