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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.declare = declare;
- exports.declarePreset = void 0;
- const apiPolyfills = {
- assertVersion: api => range => {
- throwVersionError(range, api.version);
- },
- targets: () => () => {
- return {};
- },
- assumption: () => () => {
- return undefined;
- }
- };
- function declare(builder) {
- return (api, options, dirname) => {
- var _clonedApi2;
- let clonedApi;
- for (const name of Object.keys(apiPolyfills)) {
- var _clonedApi;
- if (api[name]) continue;
- clonedApi = (_clonedApi = clonedApi) != null ? _clonedApi : copyApiObject(api);
- clonedApi[name] = apiPolyfills[name](clonedApi);
- }
- return builder((_clonedApi2 = clonedApi) != null ? _clonedApi2 : api, options || {}, dirname);
- };
- }
- const declarePreset = declare;
- exports.declarePreset = declarePreset;
- function copyApiObject(api) {
- let proto = null;
- if (typeof api.version === "string" && /^7\./.test(api.version)) {
- proto = Object.getPrototypeOf(api);
- if (proto && (!has(proto, "version") || !has(proto, "transform") || !has(proto, "template") || !has(proto, "types"))) {
- proto = null;
- }
- }
- return Object.assign({}, proto, api);
- }
- function has(obj, key) {
- return Object.prototype.hasOwnProperty.call(obj, key);
- }
- function throwVersionError(range, version) {
- if (typeof range === "number") {
- if (!Number.isInteger(range)) {
- throw new Error("Expected string or integer value.");
- }
- range = `^${range}.0.0-0`;
- }
- if (typeof range !== "string") {
- throw new Error("Expected string or integer value.");
- }
- const limit = Error.stackTraceLimit;
- if (typeof limit === "number" && limit < 25) {
- Error.stackTraceLimit = 25;
- }
- let err;
- if (version.slice(0, 2) === "7.") {
- err = new Error(`Requires Babel "^7.0.0-beta.41", but was loaded with "${version}". ` + `You'll need to update your @babel/core version.`);
- } else {
- err = new Error(`Requires Babel "${range}", but was loaded with "${version}". ` + `If you are sure you have a compatible version of @babel/core, ` + `it is likely that something in your build process is loading the ` + `wrong version. Inspect the stack trace of this error to look for ` + `the first entry that doesn't mention "@babel/core" or "babel-core" ` + `to see what is calling Babel.`);
- }
- if (typeof limit === "number") {
- Error.stackTraceLimit = limit;
- }
- throw Object.assign(err, {
- code: "BABEL_VERSION_UNSUPPORTED",
- version,
- range
- });
- }
- //# sourceMappingURL=index.js.map
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