You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							298 lines
						
					
					
						
							11 KiB
						
					
					
				
			
		
		
	
	
							298 lines
						
					
					
						
							11 KiB
						
					
					
				"use strict"; | 
						|
 | 
						|
exports.__esModule = true; | 
						|
exports.default = definePolyfillProvider; | 
						|
 | 
						|
var _helperPluginUtils = require("@babel/helper-plugin-utils"); | 
						|
 | 
						|
var _helperCompilationTargets = _interopRequireWildcard(require("@babel/helper-compilation-targets")); | 
						|
 | 
						|
var _utils = require("./utils"); | 
						|
 | 
						|
var _importsCache = _interopRequireDefault(require("./imports-cache")); | 
						|
 | 
						|
var _debugUtils = require("./debug-utils"); | 
						|
 | 
						|
var _normalizeOptions = require("./normalize-options"); | 
						|
 | 
						|
var v = _interopRequireWildcard(require("./visitors")); | 
						|
 | 
						|
var deps = _interopRequireWildcard(require("./node/dependencies")); | 
						|
 | 
						|
var _metaResolver = _interopRequireDefault(require("./meta-resolver")); | 
						|
 | 
						|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | 
						|
 | 
						|
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; } | 
						|
 | 
						|
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } | 
						|
 | 
						|
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } | 
						|
 | 
						|
const getTargets = _helperCompilationTargets.default.default || _helperCompilationTargets.default; | 
						|
 | 
						|
function resolveOptions(options, babelApi) { | 
						|
  const { | 
						|
    method, | 
						|
    targets: targetsOption, | 
						|
    ignoreBrowserslistConfig, | 
						|
    configPath, | 
						|
    debug, | 
						|
    shouldInjectPolyfill, | 
						|
    absoluteImports | 
						|
  } = options, | 
						|
        providerOptions = _objectWithoutPropertiesLoose(options, ["method", "targets", "ignoreBrowserslistConfig", "configPath", "debug", "shouldInjectPolyfill", "absoluteImports"]); | 
						|
 | 
						|
  let methodName; | 
						|
  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") { | 
						|
    throw new Error(".method must be a string"); | 
						|
  } else { | 
						|
    throw new Error(`.method must be one of "entry-global", "usage-global"` + ` or "usage-pure" (received ${JSON.stringify(method)})`); | 
						|
  } | 
						|
 | 
						|
  if (typeof shouldInjectPolyfill === "function") { | 
						|
    if (options.include || options.exclude) { | 
						|
      throw new Error(`.include and .exclude are not supported when using the` + ` .shouldInjectPolyfill function.`); | 
						|
    } | 
						|
  } else if (shouldInjectPolyfill != null) { | 
						|
    throw new Error(`.shouldInjectPolyfill must be a function, or undefined` + ` (received ${JSON.stringify(shouldInjectPolyfill)})`); | 
						|
  } | 
						|
 | 
						|
  if (absoluteImports != null && typeof absoluteImports !== "boolean" && typeof absoluteImports !== "string") { | 
						|
    throw new Error(`.absoluteImports must be a boolean, a string, or undefined` + ` (received ${JSON.stringify(absoluteImports)})`); | 
						|
  } | 
						|
 | 
						|
  let targets; | 
						|
 | 
						|
  if ( // If any browserslist-related option is specified, fallback to the old | 
						|
  // behavior of not using the targets specified in the top-level options. | 
						|
  targetsOption || configPath || ignoreBrowserslistConfig) { | 
						|
    const targetsObj = typeof targetsOption === "string" || Array.isArray(targetsOption) ? { | 
						|
      browsers: targetsOption | 
						|
    } : targetsOption; | 
						|
    targets = getTargets(targetsObj, { | 
						|
      ignoreBrowserslistConfig, | 
						|
      configPath | 
						|
    }); | 
						|
  } else { | 
						|
    targets = babelApi.targets(); | 
						|
  } | 
						|
 | 
						|
  return { | 
						|
    method, | 
						|
    methodName, | 
						|
    targets, | 
						|
    absoluteImports: absoluteImports != null ? absoluteImports : false, | 
						|
    shouldInjectPolyfill, | 
						|
    debug: !!debug, | 
						|
    providerOptions: providerOptions | 
						|
  }; | 
						|
} | 
						|
 | 
						|
function instantiateProvider(factory, options, missingDependencies, dirname, debugLog, babelApi) { | 
						|
  const { | 
						|
    method, | 
						|
    methodName, | 
						|
    targets, | 
						|
    debug, | 
						|
    shouldInjectPolyfill, | 
						|
    providerOptions, | 
						|
    absoluteImports | 
						|
  } = resolveOptions(options, babelApi); | 
						|
  const getUtils = (0, _utils.createUtilsGetter)(new _importsCache.default(moduleName => deps.resolve(dirname, moduleName, absoluteImports))); // eslint-disable-next-line prefer-const | 
						|
 | 
						|
  let include, exclude; | 
						|
  let polyfillsSupport; | 
						|
  let polyfillsNames; | 
						|
  let filterPolyfills; | 
						|
  const depsCache = new Map(); | 
						|
  const api = { | 
						|
    babel: babelApi, | 
						|
    getUtils, | 
						|
    method: options.method, | 
						|
    targets, | 
						|
    createMetaResolver: _metaResolver.default, | 
						|
 | 
						|
    shouldInjectPolyfill(name) { | 
						|
      if (polyfillsNames === undefined) { | 
						|
        throw new Error(`Internal error in the ${factory.name} provider: ` + `shouldInjectPolyfill() can't be called during initialization.`); | 
						|
      } | 
						|
 | 
						|
      if (!polyfillsNames.has(name)) { | 
						|
        console.warn(`Internal error in the ${provider.name} provider: ` + `unknown polyfill "${name}".`); | 
						|
      } | 
						|
 | 
						|
      if (filterPolyfills && !filterPolyfills(name)) return false; | 
						|
      let shouldInject = (0, _helperCompilationTargets.isRequired)(name, targets, { | 
						|
        compatData: polyfillsSupport, | 
						|
        includes: include, | 
						|
        excludes: exclude | 
						|
      }); | 
						|
 | 
						|
      if (shouldInjectPolyfill) { | 
						|
        shouldInject = shouldInjectPolyfill(name, shouldInject); | 
						|
 | 
						|
        if (typeof shouldInject !== "boolean") { | 
						|
          throw new Error(`.shouldInjectPolyfill must return a boolean.`); | 
						|
        } | 
						|
      } | 
						|
 | 
						|
      return shouldInject; | 
						|
    }, | 
						|
 | 
						|
    debug(name) { | 
						|
      debugLog().found = true; | 
						|
      if (!debug || !name) return; | 
						|
      if (debugLog().polyfills.has(provider.name)) return; | 
						|
      debugLog().polyfills.set(name, polyfillsSupport && name && polyfillsSupport[name]); | 
						|
    }, | 
						|
 | 
						|
    assertDependency(name, version = "*") { | 
						|
      if (missingDependencies === false) return; | 
						|
 | 
						|
      if (absoluteImports) { | 
						|
        // If absoluteImports is not false, we will try resolving | 
						|
        // the dependency and throw if it's not possible. We can | 
						|
        // skip the check here. | 
						|
        return; | 
						|
      } | 
						|
 | 
						|
      const dep = version === "*" ? name : `${name}@^${version}`; | 
						|
      const found = missingDependencies.all ? false : mapGetOr(depsCache, `${name} :: ${dirname}`, () => deps.has(dirname, name)); | 
						|
 | 
						|
      if (!found) { | 
						|
        debugLog().missingDeps.add(dep); | 
						|
      } | 
						|
    } | 
						|
 | 
						|
  }; | 
						|
  const provider = factory(api, providerOptions, dirname); | 
						|
 | 
						|
  if (typeof provider[methodName] !== "function") { | 
						|
    throw new Error(`The "${provider.name || factory.name}" provider doesn't ` + `support the "${method}" polyfilling method.`); | 
						|
  } | 
						|
 | 
						|
  if (Array.isArray(provider.polyfills)) { | 
						|
    polyfillsNames = new Set(provider.polyfills); | 
						|
    filterPolyfills = provider.filterPolyfills; | 
						|
  } else if (provider.polyfills) { | 
						|
    polyfillsNames = new Set(Object.keys(provider.polyfills)); | 
						|
    polyfillsSupport = provider.polyfills; | 
						|
    filterPolyfills = provider.filterPolyfills; | 
						|
  } else { | 
						|
    polyfillsNames = new Set(); | 
						|
  } | 
						|
 | 
						|
  ({ | 
						|
    include, | 
						|
    exclude | 
						|
  } = (0, _normalizeOptions.validateIncludeExclude)(provider.name || factory.name, polyfillsNames, providerOptions.include || [], providerOptions.exclude || [])); | 
						|
  return { | 
						|
    debug, | 
						|
    method, | 
						|
    targets, | 
						|
    provider, | 
						|
 | 
						|
    callProvider(payload, path) { | 
						|
      const utils = getUtils(path); // $FlowIgnore | 
						|
 | 
						|
      provider[methodName](payload, utils, path); | 
						|
    } | 
						|
 | 
						|
  }; | 
						|
} | 
						|
 | 
						|
function definePolyfillProvider(factory) { | 
						|
  return (0, _helperPluginUtils.declare)((babelApi, options, dirname) => { | 
						|
    babelApi.assertVersion(7); | 
						|
    const { | 
						|
      traverse | 
						|
    } = babelApi; | 
						|
    let debugLog; | 
						|
    const missingDependencies = (0, _normalizeOptions.applyMissingDependenciesDefaults)(options, babelApi); | 
						|
    const { | 
						|
      debug, | 
						|
      method, | 
						|
      targets, | 
						|
      provider, | 
						|
      callProvider | 
						|
    } = instantiateProvider(factory, options, missingDependencies, dirname, () => debugLog, babelApi); | 
						|
    const createVisitor = method === "entry-global" ? v.entry : v.usage; | 
						|
    const visitor = provider.visitor ? traverse.visitors.merge([createVisitor(callProvider), provider.visitor]) : createVisitor(callProvider); | 
						|
 | 
						|
    if (debug && debug !== _debugUtils.presetEnvSilentDebugHeader) { | 
						|
      console.log(`${provider.name}: \`DEBUG\` option`); | 
						|
      console.log(`\nUsing targets: ${(0, _debugUtils.stringifyTargetsMultiline)(targets)}`); | 
						|
      console.log(`\nUsing polyfills with \`${method}\` method:`); | 
						|
    } | 
						|
 | 
						|
    return { | 
						|
      name: "inject-polyfills", | 
						|
      visitor, | 
						|
 | 
						|
      pre() { | 
						|
        var _provider$pre; | 
						|
 | 
						|
        debugLog = { | 
						|
          polyfills: new Map(), | 
						|
          found: false, | 
						|
          providers: new Set(), | 
						|
          missingDeps: new Set() | 
						|
        }; // $FlowIgnore - Flow doesn't support optional calls | 
						|
 | 
						|
        (_provider$pre = provider.pre) == null ? void 0 : _provider$pre.apply(this, arguments); | 
						|
      }, | 
						|
 | 
						|
      post() { | 
						|
        var _provider$post; | 
						|
 | 
						|
        // $FlowIgnore - Flow doesn't support optional calls | 
						|
        (_provider$post = provider.post) == null ? void 0 : _provider$post.apply(this, arguments); | 
						|
 | 
						|
        if (missingDependencies !== false) { | 
						|
          if (missingDependencies.log === "per-file") { | 
						|
            deps.logMissing(debugLog.missingDeps); | 
						|
          } else { | 
						|
            deps.laterLogMissing(debugLog.missingDeps); | 
						|
          } | 
						|
        } | 
						|
 | 
						|
        if (!debug) return; | 
						|
        if (this.filename) console.log(`\n[${this.filename}]`); | 
						|
 | 
						|
        if (debugLog.polyfills.size === 0) { | 
						|
          console.log(method === "entry-global" ? debugLog.found ? `Based on your targets, the ${provider.name} polyfill did not add any polyfill.` : `The entry point for the ${provider.name} polyfill has not been found.` : `Based on your code and targets, the ${provider.name} polyfill did not add any polyfill.`); | 
						|
          return; | 
						|
        } | 
						|
 | 
						|
        if (method === "entry-global") { | 
						|
          console.log(`The ${provider.name} polyfill entry has been replaced with ` + `the following polyfills:`); | 
						|
        } else { | 
						|
          console.log(`The ${provider.name} polyfill added the following polyfills:`); | 
						|
        } | 
						|
 | 
						|
        for (const [name, support] of debugLog.polyfills) { | 
						|
          if (support) { | 
						|
            const filteredTargets = (0, _helperCompilationTargets.getInclusionReasons)(name, targets, support); | 
						|
            const formattedTargets = JSON.stringify(filteredTargets).replace(/,/g, ", ").replace(/^\{"/, '{ "').replace(/"\}$/, '" }'); | 
						|
            console.log(`  ${name} ${formattedTargets}`); | 
						|
          } else { | 
						|
            console.log(`  ${name}`); | 
						|
          } | 
						|
        } | 
						|
      } | 
						|
 | 
						|
    }; | 
						|
  }); | 
						|
} | 
						|
 | 
						|
function mapGetOr(map, key, getDefault) { | 
						|
  let val = map.get(key); | 
						|
 | 
						|
  if (val === undefined) { | 
						|
    val = getDefault(); | 
						|
    map.set(key, val); | 
						|
  } | 
						|
 | 
						|
  return val; | 
						|
} |