77 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			77 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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};
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{
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  Object.assign(apiPolyfills, {
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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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    addExternalDependency: () => () => {}
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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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    let clonedApi;
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    for (const name of Object.keys(apiPolyfills)) {
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      if (api[name]) continue;
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      clonedApi != null ? clonedApi : clonedApi = copyApiObject(api);
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      clonedApi[name] = apiPolyfills[name](clonedApi);
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    }
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    return builder(clonedApi != null ? clonedApi : api, options || {}, dirname);
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  };
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}
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const declarePreset = exports.declarePreset = declare;
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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 && (!hasOwnProperty.call(proto, "version") || !hasOwnProperty.call(proto, "transform") || !hasOwnProperty.call(proto, "template") || !hasOwnProperty.call(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 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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