This commit is contained in:
Yamozha
2021-04-02 02:24:13 +03:00
parent c23950b545
commit 7256d79e2c
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MIT License
Copyright (c) 2014-present Nicolò Ribaudo and other contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# @babel/helper-define-polyfill-provider
## Install
Using npm:
```sh
npm install --save-dev @babel/helper-define-polyfill-provider
```
or using yarn:
```sh
yarn add @babel/helper-define-polyfill-provider --dev
```

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"use strict";
exports.__esModule = true;
exports.resolve = resolve;
exports.has = has;
exports.logMissing = logMissing;
exports.laterLogMissing = laterLogMissing;
function resolve(dirname, moduleName, absoluteImports) {
if (absoluteImports === false) return moduleName;
throw new Error(`"absoluteImports" is not supported in bundles prepared for the browser.`);
} // eslint-disable-next-line no-unused-vars
function has(basedir, name) {
return true;
} // eslint-disable-next-line no-unused-vars
function logMissing(missingDeps) {} // eslint-disable-next-line no-unused-vars
function laterLogMissing(missingDeps) {}

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"use strict";
exports.__esModule = true;
exports.stringifyTargetsMultiline = stringifyTargetsMultiline;
exports.stringifyTargets = stringifyTargets;
exports.presetEnvSilentDebugHeader = void 0;
var _helperCompilationTargets = require("@babel/helper-compilation-targets");
const presetEnvSilentDebugHeader = "#__secret_key__@babel/preset-env__don't_log_debug_header_and_resolved_targets";
exports.presetEnvSilentDebugHeader = presetEnvSilentDebugHeader;
function stringifyTargetsMultiline(targets) {
return JSON.stringify((0, _helperCompilationTargets.prettifyTargets)(targets), null, 2);
}
function stringifyTargets(targets) {
return JSON.stringify(targets).replace(/,/g, ", ").replace(/^\{"/, '{ "').replace(/"\}$/, '" }');
}

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"use strict";
exports.__esModule = true;
exports.defineProvider = defineProvider;
function defineProvider(factory) {
// This will allow us to do some things
return factory;
}

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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _core = require("@babel/core");
class ImportsCache {
constructor(resolver) {
this._imports = new WeakMap();
this._anonymousImports = new WeakMap();
this._lastImports = new WeakMap();
this._resolver = resolver;
}
storeAnonymous(programPath, url, // eslint-disable-next-line no-undef
getVal) {
const key = this._normalizeKey(programPath, url);
const imports = this._ensure(this._anonymousImports, programPath, Set);
if (imports.has(key)) return;
const node = getVal(programPath.node.sourceType === "script", _core.types.stringLiteral(this._resolver(url)));
imports.add(key);
this._injectImport(programPath, node);
}
storeNamed(programPath, url, name, getVal) {
const key = this._normalizeKey(programPath, url, name);
const imports = this._ensure(this._imports, programPath, Map);
if (!imports.has(key)) {
const {
node,
name: id
} = getVal(programPath.node.sourceType === "script", _core.types.stringLiteral(this._resolver(url)), _core.types.identifier(name));
imports.set(key, id);
this._injectImport(programPath, node);
}
return _core.types.identifier(imports.get(key));
}
_injectImport(programPath, node) {
let lastImport = this._lastImports.get(programPath);
if (lastImport && lastImport.node && // Sometimes the AST is modified and the "last import"
// we have has been replaced
lastImport.parent === programPath.node && lastImport.container === programPath.node.body) {
lastImport = lastImport.insertAfter(node);
} else {
lastImport = programPath.unshiftContainer("body", node);
}
lastImport = lastImport[lastImport.length - 1];
this._lastImports.set(programPath, lastImport);
/*
let lastImport;
programPath.get("body").forEach(path => {
if (path.isImportDeclaration()) lastImport = path;
if (
path.isExpressionStatement() &&
isRequireCall(path.get("expression"))
) {
lastImport = path;
}
if (
path.isVariableDeclaration() &&
path.get("declarations").length === 1 &&
(isRequireCall(path.get("declarations.0.init")) ||
(path.get("declarations.0.init").isMemberExpression() &&
isRequireCall(path.get("declarations.0.init.object"))))
) {
lastImport = path;
}
});*/
}
_ensure(map, programPath, Collection) {
let collection = map.get(programPath);
if (!collection) {
collection = new Collection();
map.set(programPath, collection);
}
return collection;
}
_normalizeKey(programPath, url, name = "") {
const {
sourceType
} = programPath.node; // If we rely on the imported binding (the "name" parameter), we also need to cache
// based on the sourceType. This is because the module transforms change the names
// of the import variables.
return `${name && sourceType}::${url}::${name}`;
}
}
exports.default = ImportsCache;

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"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; }
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 = (0, _helperCompilationTargets.default)(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, () => !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;
}

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"use strict";
exports.__esModule = true;
exports.default = createMetaResolver;
var _utils = require("./utils");
const PossibleGlobalObjects = new Set(["global", "globalThis", "self", "window"]);
function createMetaResolver(polyfills) {
const {
static: staticP,
instance: instanceP,
global: globalP
} = polyfills;
return meta => {
if (meta.kind === "global" && globalP && (0, _utils.has)(globalP, meta.name)) {
return {
kind: "global",
desc: globalP[meta.name],
name: meta.name
};
}
if (meta.kind === "property" || meta.kind === "in") {
const {
placement,
object,
key
} = meta;
if (object && placement === "static") {
if (globalP && PossibleGlobalObjects.has(object) && (0, _utils.has)(globalP, key)) {
return {
kind: "global",
desc: globalP[key],
name: key
};
}
if (staticP && (0, _utils.has)(staticP, object) && (0, _utils.has)(staticP[object], key)) {
return {
kind: "static",
desc: staticP[object][key],
name: `${object}$${key}`
};
}
}
if (instanceP && (0, _utils.has)(instanceP, key)) {
return {
kind: "instance",
desc: instanceP[key],
name: `${key}`
};
}
}
};
}

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"use strict";
exports.__esModule = true;
exports.resolve = resolve;
exports.has = has;
exports.logMissing = logMissing;
exports.laterLogMissing = laterLogMissing;
var _path = _interopRequireDefault(require("path"));
var _lodash = _interopRequireDefault(require("lodash.debounce"));
var _resolve = _interopRequireDefault(require("resolve"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const nativeRequireResolve = parseFloat(process.versions.node) >= 8.9;
function resolve(dirname, moduleName, absoluteImports) {
if (absoluteImports === false) return moduleName;
let basedir = dirname;
if (typeof absoluteImports === "string") {
basedir = _path.default.resolve(basedir, absoluteImports);
}
let modulePackage, moduleNestedPath;
let slash = moduleName.indexOf("/");
if (moduleName[0] === "@") {
slash = moduleName.indexOf("/", slash + 1);
}
if (slash === -1) {
modulePackage = moduleName;
moduleNestedPath = "";
} else {
modulePackage = moduleName.slice(0, slash);
moduleNestedPath = moduleName.slice(slash);
}
try {
let pkg;
if (nativeRequireResolve) {
// $FlowIgnore
pkg = require.resolve(`${modulePackage}/package.json`, {
paths: [basedir]
});
} else {
pkg = _resolve.default.sync(`${modulePackage}/package.json`, {
basedir
});
}
return _path.default.dirname(pkg) + moduleNestedPath;
} catch (err) {
if (err.code !== "MODULE_NOT_FOUND") throw err; // $FlowIgnore
throw Object.assign(new Error(`Failed to resolve "${moduleName}" relative to "${dirname}"`), {
code: "BABEL_POLYFILL_NOT_FOUND",
polyfill: moduleName,
dirname
});
}
}
function has(basedir, name) {
try {
if (nativeRequireResolve) {
// $FlowIgnore
require.resolve(name, {
paths: [basedir]
});
} else {
_resolve.default.sync(name, {
basedir
});
}
return true;
} catch (_unused) {
return false;
}
}
function logMissing(missingDeps) {
if (missingDeps.size === 0) return;
const deps = Array.from(missingDeps).sort().join(" ");
console.warn("\nSome polyfills have been added but are not present in your dependencies.\n" + "Please run one of the following commands:\n" + `\tnpm install --save ${deps}\n` + `\tyarn add ${deps}\n`);
process.exitCode = 1;
}
let allMissingDeps = new Set();
const laterLogMissingDependencies = (0, _lodash.default)(() => {
logMissing(allMissingDeps);
allMissingDeps = new Set();
}, 100);
function laterLogMissing(missingDeps) {
if (missingDeps.size === 0) return;
missingDeps.forEach(name => allMissingDeps.add(name));
laterLogMissingDependencies();
}

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"use strict";
exports.__esModule = true;
exports.validateIncludeExclude = validateIncludeExclude;
exports.applyMissingDependenciesDefaults = applyMissingDependenciesDefaults;
var _utils = require("./utils");
function patternToRegExp(pattern) {
if (pattern instanceof RegExp) return pattern;
try {
return new RegExp(`^${pattern}$`);
} catch (_unused) {
return null;
}
}
function buildUnusedError(label, unused) {
if (!unused.length) return "";
return ` - The following "${label}" patterns didn't match any polyfill:\n` + unused.map(original => ` ${String(original)}\n`).join("");
}
function buldDuplicatesError(duplicates) {
if (!duplicates.size) return "";
return ` - The following polyfills were matched both by "include" and "exclude" patterns:\n` + Array.from(duplicates, name => ` ${name}\n`).join("");
}
function validateIncludeExclude(provider, polyfills, includePatterns, excludePatterns) {
let current;
const filter = pattern => {
const regexp = patternToRegExp(pattern);
if (!regexp) return false;
let matched = false;
for (const polyfill of polyfills) {
if (regexp.test(polyfill)) {
matched = true;
current.add(polyfill);
}
}
return !matched;
}; // prettier-ignore
const include = current = new Set();
const unusedInclude = Array.from(includePatterns).filter(filter); // prettier-ignore
const exclude = current = new Set();
const unusedExclude = Array.from(excludePatterns).filter(filter);
const duplicates = (0, _utils.intersection)(include, exclude);
if (duplicates.size > 0 || unusedInclude.length > 0 || unusedExclude.length > 0) {
throw new Error(`Error while validating the "${provider}" provider options:\n` + buildUnusedError("include", unusedInclude) + buildUnusedError("exclude", unusedExclude) + buldDuplicatesError(duplicates));
}
return {
include,
exclude
};
}
function applyMissingDependenciesDefaults(options, babelApi) {
const {
missingDependencies = {}
} = options;
if (missingDependencies === false) return false;
const caller = babelApi.caller(caller => caller == null ? void 0 : caller.name);
const {
log = "deferred",
inject = caller === "rollup-plugin-babel" ? "throw" : "import",
all = false
} = missingDependencies;
return {
log,
inject,
all
};
}

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"use strict";
var _core = require("@babel/core");
var _metaResolver = _interopRequireDefault(require("./meta-resolver"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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"use strict";
exports.__esModule = true;
exports.intersection = intersection;
exports.has = has;
exports.resolveKey = resolveKey;
exports.resolveSource = resolveSource;
exports.getImportSource = getImportSource;
exports.getRequireSource = getRequireSource;
exports.createUtilsGetter = createUtilsGetter;
var _core = require("@babel/core");
function intersection(a, b) {
const result = new Set();
a.forEach(v => b.has(v) && result.add(v));
return result;
}
function has(object, key) {
return Object.prototype.hasOwnProperty.call(object, key);
}
function getType(target) {
return Object.prototype.toString.call(target).slice(8, -1);
}
function resolveId(path) {
if (path.isIdentifier() && !path.scope.hasBinding(path.node.name,
/* noGlobals */
true)) {
return path.node.name;
}
const {
deopt
} = path.evaluate();
if (deopt && deopt.isIdentifier()) {
return deopt.node.name;
}
}
function resolveKey(path, computed = false) {
const {
node,
parent,
scope
} = path;
if (path.isStringLiteral()) return node.value;
const {
name
} = node;
const isIdentifier = path.isIdentifier();
if (isIdentifier && !(computed || parent.computed)) return name;
if (computed && path.isMemberExpression() && path.get("object").isIdentifier({
name: "Symbol"
}) && !scope.hasBinding("Symbol",
/* noGlobals */
true)) {
const sym = resolveKey(path.get("property"), path.node.computed);
if (sym) return "Symbol." + sym;
}
if (!isIdentifier || scope.hasBinding(name,
/* noGlobals */
true)) {
const {
value
} = path.evaluate();
if (typeof value === "string") return value;
}
}
function resolveSource(obj) {
if (obj.isMemberExpression() && obj.get("property").isIdentifier({
name: "prototype"
})) {
const id = resolveId(obj.get("object"));
if (id) {
return {
id,
placement: "prototype"
};
}
return {
id: null,
placement: null
};
}
const id = resolveId(obj);
if (id) {
return {
id,
placement: "static"
};
}
const {
value
} = obj.evaluate();
if (value !== undefined) {
return {
id: getType(value),
placement: "prototype"
};
} else if (obj.isRegExpLiteral()) {
return {
id: "RegExp",
placement: "prototype"
};
} else if (obj.isFunction()) {
return {
id: "Function",
placement: "prototype"
};
}
return {
id: null,
placement: null
};
}
function getImportSource({
node
}) {
if (node.specifiers.length === 0) return node.source.value;
}
function getRequireSource({
node
}) {
if (!_core.types.isExpressionStatement(node)) return;
const {
expression
} = node;
const isRequire = _core.types.isCallExpression(expression) && _core.types.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && _core.types.isStringLiteral(expression.arguments[0]);
if (isRequire) return expression.arguments[0].value;
}
function hoist(node) {
node._blockHoist = 3;
return node;
}
function createUtilsGetter(cache) {
return path => {
const prog = path.findParent(p => p.isProgram());
return {
injectGlobalImport(url) {
cache.storeAnonymous(prog, url, (isScript, source) => {
return isScript ? _core.template.statement.ast`require(${source})` : _core.types.importDeclaration([], source);
});
},
injectNamedImport(url, name, hint = name) {
return cache.storeNamed(prog, url, name, (isScript, source, name) => {
const id = prog.scope.generateUidIdentifier(hint);
return {
node: isScript ? hoist(_core.template.statement.ast`
var ${id} = require(${source}).${name}
`) : _core.types.importDeclaration([_core.types.importSpecifier(id, name)], source),
name: id.name
};
});
},
injectDefaultImport(url, hint = url) {
return cache.storeNamed(prog, url, "default", (isScript, source) => {
const id = prog.scope.generateUidIdentifier(hint);
return {
node: isScript ? hoist(_core.template.statement.ast`var ${id} = require(${source})`) : _core.types.importDeclaration([_core.types.importDefaultSpecifier(id)], source),
name: id.name
};
});
}
};
};
}

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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _utils = require("../utils");
var _default = callProvider => ({
ImportDeclaration(path) {
const source = (0, _utils.getImportSource)(path);
if (!source) return;
callProvider({
kind: "import",
source
}, path);
},
Program(path) {
path.get("body").forEach(bodyPath => {
const source = (0, _utils.getRequireSource)(bodyPath);
if (!source) return;
callProvider({
kind: "import",
source
}, bodyPath);
});
}
});
exports.default = _default;

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"use strict";
exports.__esModule = true;
exports.entry = exports.usage = void 0;
var _usage = _interopRequireDefault(require("./usage"));
exports.usage = _usage.default;
var _entry = _interopRequireDefault(require("./entry"));
exports.entry = _entry.default;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _utils = require("../utils");
var _default = callProvider => {
function property(object, key, placement, path) {
return callProvider({
kind: "property",
object,
key,
placement
}, path);
}
return {
// Symbol(), new Promise
ReferencedIdentifier(path) {
const {
node: {
name
},
scope
} = path;
if (scope.getBindingIdentifier(name)) return;
callProvider({
kind: "global",
name
}, path);
},
MemberExpression(path) {
const key = (0, _utils.resolveKey)(path.get("property"), path.node.computed);
if (!key || key === "prototype") return;
const object = path.get("object");
const binding = object.scope.getBinding(object.node.name);
if (binding && binding.path.isImportNamespaceSpecifier()) return;
const source = (0, _utils.resolveSource)(object);
return property(source.id, key, source.placement, path);
},
ObjectPattern(path) {
const {
parentPath,
parent
} = path;
let obj; // const { keys, values } = Object
if (parentPath.isVariableDeclarator()) {
obj = parentPath.get("init"); // ({ keys, values } = Object)
} else if (parentPath.isAssignmentExpression()) {
obj = parentPath.get("right"); // !function ({ keys, values }) {...} (Object)
// resolution does not work after properties transform :-(
} else if (parentPath.isFunction()) {
const grand = parentPath.parentPath;
if (grand.isCallExpression() || grand.isNewExpression()) {
if (grand.node.callee === parent) {
obj = grand.get("arguments")[path.key];
}
}
}
let id = null;
let placement = null;
if (obj) ({
id,
placement
} = (0, _utils.resolveSource)(obj));
for (const prop of path.get("properties")) {
if (prop.isObjectProperty()) {
const key = (0, _utils.resolveKey)(prop.get("key"));
if (key) property(id, key, placement, prop);
}
}
},
BinaryExpression(path) {
if (path.node.operator !== "in") return;
const source = (0, _utils.resolveSource)(path.get("right"));
const key = (0, _utils.resolveKey)(path.get("left"), true);
if (!key) return;
callProvider({
kind: "in",
object: source.id,
key,
placement: source.placement
}, path);
}
};
};
exports.default = _default;

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@ -0,0 +1,47 @@
{
"name": "@babel/helper-define-polyfill-provider",
"version": "0.1.5",
"description": "Babel helper to create your own polyfill provider",
"repository": {
"type": "git",
"url": "https://github.com/babel/babel-polyfills.git",
"directory": "packages/babel-helper-define-polyfill-provider"
},
"keywords": [
"babel-plugin"
],
"license": "MIT",
"publishConfig": {
"access": "public"
},
"main": "lib/index.js",
"browser": {
"./lib/node/dependencies.js": "./lib/browser/dependencies.js",
"./src/node/dependencies.js": "./src/browser/dependencies.js"
},
"dependencies": {
"@babel/helper-compilation-targets": "^7.13.0",
"@babel/helper-module-imports": "^7.12.13",
"@babel/helper-plugin-utils": "^7.13.0",
"@babel/traverse": "^7.13.0",
"debug": "^4.1.1",
"lodash.debounce": "^4.0.8",
"resolve": "^1.14.2",
"semver": "^6.1.2"
},
"peerDependencies": {
"@babel/core": "^7.4.0-0"
},
"devDependencies": {
"@babel/cli": "^7.11.5",
"@babel/core": "^7.13.0",
"@babel/generator": "^7.11.5",
"@babel/plugin-transform-modules-commonjs": "^7.10.4",
"babel-loader": "^8.1.0",
"rollup": "^2.3.2",
"rollup-plugin-babel": "^4.4.0",
"webpack": "^4.42.1",
"webpack-cli": "^3.3.11"
},
"gitHead": "cca90e89debf689aff23e982f8a30bc3b512c573"
}