vue hello world项目
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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _data = _interopRequireDefault(require("../core-js-compat/data.js"));
var _shippedProposals = _interopRequireDefault(require("./shipped-proposals"));
var _getModulesListForTargetVersion = _interopRequireDefault(require("../core-js-compat/get-modules-list-for-target-version.js"));
var _builtInDefinitions = require("./built-in-definitions");
var babel = _interopRequireWildcard(require("@babel/core"));
var _utils = require("./utils");
var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));
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 _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
const {
types: t
} = babel.default || babel;
const runtimeCompat = "#__secret_key__@babel/runtime__compatibility";
const esnextFallback = (name, cb) => {
if (cb(name)) return true;
if (!name.startsWith("es.")) return false;
const fallback = `esnext.${name.slice(3)}`;
if (!_data.default[fallback]) return false;
return cb(fallback);
};
var _default = (0, _helperDefinePolyfillProvider.default)(function ({
getUtils,
method,
shouldInjectPolyfill,
createMetaResolver,
debug,
babel
}, {
version = 3,
proposals,
shippedProposals,
[runtimeCompat]: {
useBabelRuntime,
ext = ".js"
} = {}
}) {
const isWebpack = babel.caller(caller => (caller == null ? void 0 : caller.name) === "babel-loader");
const resolve = createMetaResolver({
global: _builtInDefinitions.BuiltIns,
static: _builtInDefinitions.StaticProperties,
instance: _builtInDefinitions.InstanceProperties
});
const available = new Set((0, _getModulesListForTargetVersion.default)(version));
function getCoreJSPureBase(useProposalBase) {
return useBabelRuntime ? useProposalBase ? `${useBabelRuntime}/core-js` : `${useBabelRuntime}/core-js-stable` : useProposalBase ? "core-js-pure/features" : "core-js-pure/stable";
}
function maybeInjectGlobalImpl(name, utils) {
if (shouldInjectPolyfill(name)) {
debug(name);
utils.injectGlobalImport((0, _utils.coreJSModule)(name));
return true;
}
return false;
}
function maybeInjectGlobal(names, utils, fallback = true) {
for (const name of names) {
if (fallback) {
esnextFallback(name, name => maybeInjectGlobalImpl(name, utils));
} else {
maybeInjectGlobalImpl(name, utils);
}
}
}
function maybeInjectPure(desc, hint, utils, object) {
if (desc.pure && !(object && desc.exclude && desc.exclude.includes(object)) && esnextFallback(desc.name, shouldInjectPolyfill)) {
const {
name
} = desc;
let useProposalBase = false;
if (proposals || shippedProposals && name.startsWith("esnext.")) {
useProposalBase = true;
} else if (name.startsWith("es.") && !available.has(name)) {
useProposalBase = true;
}
const coreJSPureBase = getCoreJSPureBase(useProposalBase);
return utils.injectDefaultImport( // $FlowIgnore, we already guard desc.pure
`${coreJSPureBase}/${desc.pure}${ext}`, hint);
}
}
function isFeatureStable(name) {
if (name.startsWith("esnext.")) {
const esName = `es.${name.slice(7)}`; // If its imaginative esName is not in latest compat data, it means
// the proposal is not stage 4
return esName in _data.default;
}
return true;
}
return {
name: "corejs3",
polyfills: _data.default,
filterPolyfills(name) {
if (!available.has(name)) return false;
if (proposals || method === "entry-global") return true;
if (shippedProposals && _shippedProposals.default.has(name)) {
return true;
}
return isFeatureStable(name);
},
entryGlobal(meta, utils, path) {
if (meta.kind !== "import") return;
const modules = (0, _utils.isCoreJSSource)(meta.source);
if (!modules) return;
if (modules.length === 1 && meta.source === (0, _utils.coreJSModule)(modules[0]) && shouldInjectPolyfill(modules[0])) {
// Avoid infinite loop: do not replace imports with a new copy of
// themselves.
debug(null);
return;
}
const modulesSet = new Set(modules);
const filteredModules = modules.filter(module => {
if (!module.startsWith("esnext.")) return true;
const stable = module.replace("esnext.", "es.");
if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
return false;
}
return true;
});
maybeInjectGlobal(filteredModules, utils, false);
path.remove();
},
usageGlobal(meta, utils) {
const resolved = resolve(meta);
if (!resolved) return;
let deps = resolved.desc.global;
if (resolved.kind !== "global" && meta.object && meta.placement === "prototype") {
const low = meta.object.toLowerCase();
deps = deps.filter(m => m.includes(low) || _builtInDefinitions.CommonInstanceDependencies.has(m));
}
maybeInjectGlobal(deps, utils);
},
usagePure(meta, utils, path) {
if (meta.kind === "in") {
if (meta.key === "Symbol.iterator") {
path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("is-iterable", useBabelRuntime, ext), "isIterable"), [path.node.right]));
}
return;
}
if (path.parentPath.isUnaryExpression({
operator: "delete"
})) return;
let isCall;
if (meta.kind === "property") {
// We can't compile destructuring.
if (!path.isMemberExpression()) return;
if (!path.isReferenced()) return;
isCall = path.parentPath.isCallExpression({
callee: path.node
});
if (meta.key === "Symbol.iterator") {
if (!shouldInjectPolyfill("es.symbol.iterator")) return;
if (isCall) {
if (path.parent.arguments.length === 0) {
path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator", useBabelRuntime, ext), "getIterator"), [path.node.object]));
path.skip();
} else {
(0, _utils.callMethod)(path, utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"));
}
} else {
path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"), [path.node.object]));
}
return;
}
}
let resolved = resolve(meta);
if (!resolved) return;
if (useBabelRuntime && resolved.desc.pure && resolved.desc.pure.slice(-6) === "/index") {
// Remove /index, since it doesn't exist in @babel/runtime-corejs3s
resolved = _extends({}, resolved, {
desc: _extends({}, resolved.desc, {
pure: resolved.desc.pure.slice(0, -6)
})
});
}
if (resolved.kind === "global") {
const id = maybeInjectPure(resolved.desc, resolved.name, utils);
if (id) path.replaceWith(id);
} else if (resolved.kind === "static") {
const id = maybeInjectPure(resolved.desc, resolved.name, utils, // $FlowIgnore
meta.object);
if (id) path.replaceWith(id);
} else if (resolved.kind === "instance") {
const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // $FlowIgnore
meta.object);
if (!id) return;
if (isCall) {
(0, _utils.callMethod)(path, id);
} else {
path.replaceWith(t.callExpression(id, [path.node.object]));
}
}
},
visitor: method === "usage-global" && {
// import("foo")
CallExpression(path) {
if (path.get("callee").isImport()) {
const utils = getUtils(path);
if (isWebpack) {
// Webpack uses Promise.all to handle dynamic import.
maybeInjectGlobal(_builtInDefinitions.PromiseDependenciesWithIterators, utils);
} else {
maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, utils);
}
}
},
// (async function () { }).finally(...)
Function(path) {
if (path.node.async) {
maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, getUtils(path));
}
},
// for-of, [a, b] = c
"ForOfStatement|ArrayPattern"(path) {
maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
},
// [...spread]
SpreadElement(path) {
if (!path.parentPath.isObjectExpression()) {
maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
}
},
// yield*
YieldExpression(path) {
if (path.node.delegate) {
maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
}
}
}
};
});
exports.default = _default;