CasperSecurity
"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;
}