80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.declare = declare;
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exports.declarePreset = void 0;
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const apiPolyfills = {
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assertVersion: api => range => {
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throwVersionError(range, api.version);
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},
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targets: () => () => {
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return {};
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},
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assumption: () => () => {
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return undefined;
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}
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};
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function declare(builder) {
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return (api, options, dirname) => {
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var _clonedApi2;
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let clonedApi;
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for (const name of Object.keys(apiPolyfills)) {
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var _clonedApi;
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if (api[name]) continue;
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clonedApi = (_clonedApi = clonedApi) != null ? _clonedApi : copyApiObject(api);
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clonedApi[name] = apiPolyfills[name](clonedApi);
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}
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return builder((_clonedApi2 = clonedApi) != null ? _clonedApi2 : api, options || {}, dirname);
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};
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}
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const declarePreset = declare;
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exports.declarePreset = declarePreset;
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function copyApiObject(api) {
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let proto = null;
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if (typeof api.version === "string" && /^7\./.test(api.version)) {
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proto = Object.getPrototypeOf(api);
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if (proto && (!has(proto, "version") || !has(proto, "transform") || !has(proto, "template") || !has(proto, "types"))) {
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proto = null;
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}
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}
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return Object.assign({}, proto, api);
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}
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function has(obj, key) {
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return Object.prototype.hasOwnProperty.call(obj, key);
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}
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function throwVersionError(range, version) {
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if (typeof range === "number") {
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if (!Number.isInteger(range)) {
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throw new Error("Expected string or integer value.");
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}
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range = `^${range}.0.0-0`;
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}
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if (typeof range !== "string") {
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throw new Error("Expected string or integer value.");
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}
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const limit = Error.stackTraceLimit;
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if (typeof limit === "number" && limit < 25) {
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Error.stackTraceLimit = 25;
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}
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let err;
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if (version.slice(0, 2) === "7.") {
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err = new Error(`Requires Babel "^7.0.0-beta.41", but was loaded with "${version}". ` + `You'll need to update your @babel/core version.`);
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} else {
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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.`);
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}
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if (typeof limit === "number") {
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Error.stackTraceLimit = limit;
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}
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throw Object.assign(err, {
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code: "BABEL_VERSION_UNSUPPORTED",
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version,
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range
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});
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}
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//# sourceMappingURL=index.js.map
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