ast-types
Version:
Esprima-compatible implementation of the Mozilla JS Parser API
50 lines (49 loc) • 2.09 kB
JavaScript
;;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var es2020_1 = tslib_1.__importDefault(require("./es2020"));
var types_1 = tslib_1.__importDefault(require("../lib/types"));
var shared_1 = tslib_1.__importDefault(require("../lib/shared"));
function default_1(fork) {
fork.use(es2020_1.default);
var types = fork.use(types_1.default);
var defaults = fork.use(shared_1.default).defaults;
var def = types.Type.def;
var or = types.Type.or;
def("VariableDeclaration")
.field("declarations", [or(def("VariableDeclarator"), def("Identifier") // Esprima deviation.
)]);
def("Property")
.field("value", or(def("Expression"), def("Pattern") // Esprima deviation.
));
def("ArrayPattern")
.field("elements", [or(def("Pattern"), def("SpreadElement"), null)]);
def("ObjectPattern")
.field("properties", [or(def("Property"), def("PropertyPattern"), def("SpreadPropertyPattern"), def("SpreadProperty") // Used by Esprima.
)]);
// Like ModuleSpecifier, except type:"ExportSpecifier" and buildable.
// export {<id [as name]>} [from ...];
def("ExportSpecifier")
.bases("ModuleSpecifier")
.build("id", "name");
// export <*> from ...;
def("ExportBatchSpecifier")
.bases("Specifier")
.build();
def("ExportDeclaration")
.bases("Declaration")
.build("default", "declaration", "specifiers", "source")
.field("default", Boolean)
.field("declaration", or(def("Declaration"), def("Expression"), // Implies default.
null))
.field("specifiers", [or(def("ExportSpecifier"), def("ExportBatchSpecifier"))], defaults.emptyArray)
.field("source", or(def("Literal"), null), defaults["null"]);
def("Block")
.bases("Comment")
.build("value", /*optional:*/ "leading", "trailing");
def("Line")
.bases("Comment")
.build("value", /*optional:*/ "leading", "trailing");
}
exports.default = default_1;
module.exports = exports["default"];