@babel/runtime-corejs2
Version:
babel's modular runtime helpers with core-js@2 polyfilling
57 lines (47 loc) • 1.22 kB
JavaScript
import _Promise from "@babel/runtime-corejs2/core-js/promise";
import _Symbol from "@babel/runtime-corejs2/core-js/symbol";
import _Symbol$iterator from "@babel/runtime-corejs2/core-js/symbol/iterator";
export default function _asyncGeneratorDelegate(inner, awaitWrap) {
var iter = {},
waiting = false;
function pump(key, value) {
waiting = true;
value = new _Promise(function (resolve) {
resolve(inner[key](value));
});
return {
done: false,
value: awaitWrap(value)
};
}
;
iter[typeof _Symbol !== "undefined" && _Symbol$iterator || "@@iterator"] = function () {
return this;
};
iter.next = function (value) {
if (waiting) {
waiting = false;
return value;
}
return pump("next", value);
};
if (typeof inner["throw"] === "function") {
iter["throw"] = function (value) {
if (waiting) {
waiting = false;
throw value;
}
return pump("throw", value);
};
}
if (typeof inner["return"] === "function") {
iter["return"] = function (value) {
if (waiting) {
waiting = false;
return value;
}
return pump("return", value);
};
}
return iter;
}