031aa806db09d19ed1f092e2fb4650b6ca7f8776.svn-base
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = getBindingIdentifiers;
var _generated = require("../validators/generated");
function getBindingIdentifiers(node, duplicates, outerOnly) {
let search = [].concat(node);
const ids = Object.create(null);
while (search.length) {
const id = search.shift();
if (!id) continue;
const keys = getBindingIdentifiers.keys[id.type];
if ((0, _generated.isIdentifier)(id)) {
if (duplicates) {
const _ids = ids[id.name] = ids[id.name] || [];
_ids.push(id);
} else {
ids[id.name] = id;
}
continue;
}
if ((0, _generated.isExportDeclaration)(id)) {
if ((0, _generated.isDeclaration)(id.declaration)) {
search.push(id.declaration);
}
continue;
}
if (outerOnly) {
if ((0, _generated.isFunctionDeclaration)(id)) {
search.push(id.id);
continue;
}
if ((0, _generated.isFunctionExpression)(id)) {
continue;
}
}
if (keys) {
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (id[key]) {
search = search.concat(id[key]);
}
}
}
}
return ids;
}
getBindingIdentifiers.keys = {
DeclareClass: ["id"],
DeclareFunction: ["id"],
DeclareModule: ["id"],
DeclareVariable: ["id"],
DeclareInterface: ["id"],
DeclareTypeAlias: ["id"],
DeclareOpaqueType: ["id"],
InterfaceDeclaration: ["id"],
TypeAlias: ["id"],
OpaqueType: ["id"],
CatchClause: ["param"],
LabeledStatement: ["label"],
UnaryExpression: ["argument"],
AssignmentExpression: ["left"],
ImportSpecifier: ["local"],
ImportNamespaceSpecifier: ["local"],
ImportDefaultSpecifier: ["local"],
ImportDeclaration: ["specifiers"],
ExportSpecifier: ["exported"],
ExportNamespaceSpecifier: ["exported"],
ExportDefaultSpecifier: ["exported"],
FunctionDeclaration: ["id", "params"],
FunctionExpression: ["id", "params"],
ArrowFunctionExpression: ["params"],
ObjectMethod: ["params"],
ClassMethod: ["params"],
ForInStatement: ["left"],
ForOfStatement: ["left"],
ClassDeclaration: ["id"],
ClassExpression: ["id"],
RestElement: ["argument"],
UpdateExpression: ["argument"],
ObjectProperty: ["value"],
AssignmentPattern: ["left"],
ArrayPattern: ["elements"],
ObjectPattern: ["properties"],
VariableDeclaration: ["declarations"],
VariableDeclarator: ["id"]
};