288 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			288 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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exports.__esModule = true;
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exports.default = definePolyfillProvider;
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _helperCompilationTargets = _interopRequireWildcard(require("@babel/helper-compilation-targets"));
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var _utils = require("./utils");
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var _importsInjector = _interopRequireDefault(require("./imports-injector"));
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var _debugUtils = require("./debug-utils");
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var _normalizeOptions = require("./normalize-options");
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var v = _interopRequireWildcard(require("./visitors"));
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var deps = _interopRequireWildcard(require("./node/dependencies"));
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var _metaResolver = _interopRequireDefault(require("./meta-resolver"));
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const _excluded = ["method", "targets", "ignoreBrowserslistConfig", "configPath", "debug", "shouldInjectPolyfill", "absoluteImports"];
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function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
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function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
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function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
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const getTargets = _helperCompilationTargets.default.default || _helperCompilationTargets.default;
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function resolveOptions(options, babelApi) {
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  const {
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      method,
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      targets: targetsOption,
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      ignoreBrowserslistConfig,
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      configPath,
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      debug,
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      shouldInjectPolyfill,
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      absoluteImports
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    } = options,
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    providerOptions = _objectWithoutPropertiesLoose(options, _excluded);
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  if (isEmpty(options)) {
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    throw new Error(`\
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This plugin requires options, for example:
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    {
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      "plugins": [
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        ["<plugin name>", { method: "usage-pure" }]
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      ]
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    }
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See more options at https://github.com/babel/babel-polyfills/blob/main/docs/usage.md`);
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  }
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  let methodName;
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  if (method === "usage-global") methodName = "usageGlobal";else if (method === "entry-global") methodName = "entryGlobal";else if (method === "usage-pure") methodName = "usagePure";else if (typeof method !== "string") {
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    throw new Error(".method must be a string");
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  } else {
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    throw new Error(`.method must be one of "entry-global", "usage-global"` + ` or "usage-pure" (received ${JSON.stringify(method)})`);
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  }
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  if (typeof shouldInjectPolyfill === "function") {
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    if (options.include || options.exclude) {
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      throw new Error(`.include and .exclude are not supported when using the` + ` .shouldInjectPolyfill function.`);
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    }
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  } else if (shouldInjectPolyfill != null) {
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    throw new Error(`.shouldInjectPolyfill must be a function, or undefined` + ` (received ${JSON.stringify(shouldInjectPolyfill)})`);
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  }
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  if (absoluteImports != null && typeof absoluteImports !== "boolean" && typeof absoluteImports !== "string") {
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    throw new Error(`.absoluteImports must be a boolean, a string, or undefined` + ` (received ${JSON.stringify(absoluteImports)})`);
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  }
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  let targets;
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  if (
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  // If any browserslist-related option is specified, fallback to the old
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  // behavior of not using the targets specified in the top-level options.
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  targetsOption || configPath || ignoreBrowserslistConfig) {
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    const targetsObj = typeof targetsOption === "string" || Array.isArray(targetsOption) ? {
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      browsers: targetsOption
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    } : targetsOption;
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    targets = getTargets(targetsObj, {
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      ignoreBrowserslistConfig,
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      configPath
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    });
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  } else {
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    targets = babelApi.targets();
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  }
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  return {
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    method,
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    methodName,
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    targets,
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    absoluteImports: absoluteImports != null ? absoluteImports : false,
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    shouldInjectPolyfill,
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    debug: !!debug,
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    providerOptions: providerOptions
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  };
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}
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function instantiateProvider(factory, options, missingDependencies, dirname, debugLog, babelApi) {
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  const {
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    method,
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    methodName,
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    targets,
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    debug,
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    shouldInjectPolyfill,
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    providerOptions,
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    absoluteImports
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  } = resolveOptions(options, babelApi);
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  // eslint-disable-next-line prefer-const
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  let include, exclude;
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  let polyfillsSupport;
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  let polyfillsNames;
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  let filterPolyfills;
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  const getUtils = (0, _utils.createUtilsGetter)(new _importsInjector.default(moduleName => deps.resolve(dirname, moduleName, absoluteImports), name => {
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    var _polyfillsNames$get, _polyfillsNames;
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    return (_polyfillsNames$get = (_polyfillsNames = polyfillsNames) == null ? void 0 : _polyfillsNames.get(name)) != null ? _polyfillsNames$get : Infinity;
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  }));
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  const depsCache = new Map();
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  const api = {
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    babel: babelApi,
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    getUtils,
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    method: options.method,
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    targets,
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    createMetaResolver: _metaResolver.default,
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    shouldInjectPolyfill(name) {
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      if (polyfillsNames === undefined) {
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        throw new Error(`Internal error in the ${factory.name} provider: ` + `shouldInjectPolyfill() can't be called during initialization.`);
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      }
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      if (!polyfillsNames.has(name)) {
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        console.warn(`Internal error in the ${providerName} provider: ` + `unknown polyfill "${name}".`);
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      }
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      if (filterPolyfills && !filterPolyfills(name)) return false;
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      let shouldInject = (0, _helperCompilationTargets.isRequired)(name, targets, {
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        compatData: polyfillsSupport,
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        includes: include,
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        excludes: exclude
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      });
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      if (shouldInjectPolyfill) {
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        shouldInject = shouldInjectPolyfill(name, shouldInject);
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        if (typeof shouldInject !== "boolean") {
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          throw new Error(`.shouldInjectPolyfill must return a boolean.`);
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        }
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      }
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      return shouldInject;
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    },
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    debug(name) {
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      var _debugLog, _debugLog$polyfillsSu;
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      debugLog().found = true;
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      if (!debug || !name) return;
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      if (debugLog().polyfills.has(providerName)) return;
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      debugLog().polyfills.add(name);
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      (_debugLog$polyfillsSu = (_debugLog = debugLog()).polyfillsSupport) != null ? _debugLog$polyfillsSu : _debugLog.polyfillsSupport = polyfillsSupport;
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    },
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    assertDependency(name, version = "*") {
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      if (missingDependencies === false) return;
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      if (absoluteImports) {
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        // If absoluteImports is not false, we will try resolving
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        // the dependency and throw if it's not possible. We can
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        // skip the check here.
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        return;
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      }
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      const dep = version === "*" ? name : `${name}@^${version}`;
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      const found = missingDependencies.all ? false : mapGetOr(depsCache, `${name} :: ${dirname}`, () => deps.has(dirname, name));
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      if (!found) {
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        debugLog().missingDeps.add(dep);
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      }
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    }
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  };
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  const provider = factory(api, providerOptions, dirname);
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  const providerName = provider.name || factory.name;
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  if (typeof provider[methodName] !== "function") {
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    throw new Error(`The "${providerName}" provider doesn't support the "${method}" polyfilling method.`);
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  }
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  if (Array.isArray(provider.polyfills)) {
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    polyfillsNames = new Map(provider.polyfills.map((name, index) => [name, index]));
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    filterPolyfills = provider.filterPolyfills;
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  } else if (provider.polyfills) {
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    polyfillsNames = new Map(Object.keys(provider.polyfills).map((name, index) => [name, index]));
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    polyfillsSupport = provider.polyfills;
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    filterPolyfills = provider.filterPolyfills;
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  } else {
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    polyfillsNames = new Map();
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  }
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  ({
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    include,
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    exclude
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  } = (0, _normalizeOptions.validateIncludeExclude)(providerName, polyfillsNames, providerOptions.include || [], providerOptions.exclude || []));
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  let callProvider;
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  if (methodName === "usageGlobal") {
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    callProvider = (payload, path) => {
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      var _ref;
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      const utils = getUtils(path);
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      return (_ref = provider[methodName](payload, utils, path)) != null ? _ref : false;
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    };
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  } else {
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    callProvider = (payload, path) => {
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      const utils = getUtils(path);
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      provider[methodName](payload, utils, path);
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      return false;
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    };
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  }
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  return {
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    debug,
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    method,
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    targets,
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    provider,
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    providerName,
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    callProvider
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  };
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}
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function definePolyfillProvider(factory) {
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  return (0, _helperPluginUtils.declare)((babelApi, options, dirname) => {
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    babelApi.assertVersion("^7.0.0 || ^8.0.0-alpha.0");
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    const {
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      traverse
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    } = babelApi;
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    let debugLog;
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    const missingDependencies = (0, _normalizeOptions.applyMissingDependenciesDefaults)(options, babelApi);
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    const {
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      debug,
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      method,
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      targets,
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      provider,
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      providerName,
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      callProvider
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    } = instantiateProvider(factory, options, missingDependencies, dirname, () => debugLog, babelApi);
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    const createVisitor = method === "entry-global" ? v.entry : v.usage;
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    const visitor = provider.visitor ? traverse.visitors.merge([createVisitor(callProvider), provider.visitor]) : createVisitor(callProvider);
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    if (debug && debug !== _debugUtils.presetEnvSilentDebugHeader) {
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      console.log(`${providerName}: \`DEBUG\` option`);
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      console.log(`\nUsing targets: ${(0, _debugUtils.stringifyTargetsMultiline)(targets)}`);
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      console.log(`\nUsing polyfills with \`${method}\` method:`);
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    }
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    const {
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      runtimeName
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    } = provider;
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    return {
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      name: "inject-polyfills",
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      visitor,
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      pre(file) {
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        var _provider$pre;
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        if (runtimeName) {
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          if (file.get("runtimeHelpersModuleName") && file.get("runtimeHelpersModuleName") !== runtimeName) {
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            console.warn(`Two different polyfill providers` + ` (${file.get("runtimeHelpersModuleProvider")}` + ` and ${providerName}) are trying to define two` + ` conflicting @babel/runtime alternatives:` + ` ${file.get("runtimeHelpersModuleName")} and ${runtimeName}.` + ` The second one will be ignored.`);
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          } else {
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            file.set("runtimeHelpersModuleName", runtimeName);
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            file.set("runtimeHelpersModuleProvider", providerName);
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          }
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        }
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        debugLog = {
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          polyfills: new Set(),
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          polyfillsSupport: undefined,
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          found: false,
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          providers: new Set(),
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          missingDeps: new Set()
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        };
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        (_provider$pre = provider.pre) == null || _provider$pre.apply(this, arguments);
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      },
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      post() {
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        var _provider$post;
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        (_provider$post = provider.post) == null || _provider$post.apply(this, arguments);
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        if (missingDependencies !== false) {
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          if (missingDependencies.log === "per-file") {
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            deps.logMissing(debugLog.missingDeps);
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          } else {
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            deps.laterLogMissing(debugLog.missingDeps);
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          }
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        }
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        if (!debug) return;
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        if (this.filename) console.log(`\n[${this.filename}]`);
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        if (debugLog.polyfills.size === 0) {
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          console.log(method === "entry-global" ? debugLog.found ? `Based on your targets, the ${providerName} polyfill did not add any polyfill.` : `The entry point for the ${providerName} polyfill has not been found.` : `Based on your code and targets, the ${providerName} polyfill did not add any polyfill.`);
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          return;
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        }
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        if (method === "entry-global") {
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          console.log(`The ${providerName} polyfill entry has been replaced with ` + `the following polyfills:`);
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        } else {
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          console.log(`The ${providerName} polyfill added the following polyfills:`);
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        }
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        for (const name of debugLog.polyfills) {
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          var _debugLog$polyfillsSu2;
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          if ((_debugLog$polyfillsSu2 = debugLog.polyfillsSupport) != null && _debugLog$polyfillsSu2[name]) {
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            const filteredTargets = (0, _helperCompilationTargets.getInclusionReasons)(name, targets, debugLog.polyfillsSupport);
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            const formattedTargets = JSON.stringify(filteredTargets).replace(/,/g, ", ").replace(/^\{"/, '{ "').replace(/"\}$/, '" }');
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            console.log(`  ${name} ${formattedTargets}`);
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          } else {
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            console.log(`  ${name}`);
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          }
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        }
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      }
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    };
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  });
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}
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function mapGetOr(map, key, getDefault) {
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  let val = map.get(key);
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  if (val === undefined) {
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    val = getDefault();
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    map.set(key, val);
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  }
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  return val;
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}
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function isEmpty(obj) {
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  return Object.keys(obj).length === 0;
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} |