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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _default;
var _debug = require("./debug");
var _utils = require("./utils");
function _default({
types: t
}) {
function replaceWithPolyfillImports(path, polyfills, regenerator) {
if (regenerator) {
(0, _utils.createImport)(path, "regenerator-runtime");
}
const items = Array.isArray(polyfills) ? new Set(polyfills) : polyfills;
for (var _iterator = Array.from(items).reverse(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
const p = _ref;
(0, _utils.createImport)(path, p);
}
path.remove();
}
const isPolyfillImport = {
ImportDeclaration(path, state) {
if (path.node.specifiers.length === 0 && (0, _utils.isPolyfillSource)(path.node.source.value)) {
this.importPolyfillIncluded = true;
replaceWithPolyfillImports(path, state.opts.polyfills, state.opts.regenerator);
}
},
Program(path, state) {
path.get("body").forEach(bodyPath => {
if ((0, _utils.isRequire)(t, bodyPath)) {
replaceWithPolyfillImports(bodyPath, state.opts.polyfills, state.opts.regenerator);
}
});
}
};
return {
name: "transform-polyfill-require",
visitor: isPolyfillImport,
pre() {
this.numPolyfillImports = 0;
this.importPolyfillIncluded = false;
},
post() {
const _this$opts = this.opts,
debug = _this$opts.debug,
onDebug = _this$opts.onDebug,
polyfills = _this$opts.polyfills;
if (debug) {
(0, _debug.logEntryPolyfills)(this.importPolyfillIncluded, polyfills, this.file.opts.filename, onDebug);
}
}
};
}
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