File Manager

Current Path: Root / node_modules_old/ babel-plugin-polyfill-corejs3/ lib

Parent Directory

Name	Size	Last Modified
[F]built-in-definitions.js Edit	27.35 KB	2022-10-02 10:07:47
[F]index.js Edit	10.84 KB	2022-10-02 10:07:47
[F]shipped-proposals.js Edit	456 bytes	2022-10-02 10:07:47
[F]usage-filters.js Edit	1.69 KB	2022-10-02 10:07:48
[F]utils.js Edit	2.56 KB	2022-10-02 10:07:48

Editing: index.js

"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 _usageFilters = _interopRequireDefault(require("./usage-filters"));

var _babel = _interopRequireWildcard(require("@babel/core"));

var _utils = require("./utils");

var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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);
};

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(`${coreJSPureBase}/${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, path) {
      const resolved = resolve(meta);
      if (!resolved) return;
      if ((0, _usageFilters.default)(resolved.desc, path)) return;
      let deps = resolved.desc.global;

if (resolved.kind !== "global" && "object" in meta && 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] // meta.kind === "in" narrows this
          ));
        }

return;
      }

if (path.parentPath.isUnaryExpression({
        operator: "delete"
      })) return;

if (meta.kind === "property") {
        // We can't compile destructuring and updateExpression.
        if (!path.isMemberExpression()) return;
        if (!path.isReferenced()) return;
        if (path.parentPath.isUpdateExpression()) return;

if (t.isSuper(path.node.object)) {
          return;
        }

if (meta.key === "Symbol.iterator") {
          if (!shouldInjectPolyfill("es.symbol.iterator")) return;
          const {
            parent,
            node
          } = path;

if (t.isCallExpression(parent, {
            callee: node
          })) {
            if (parent.arguments.length === 0) {
              path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator", useBabelRuntime, ext), "getIterator"), [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 ((0, _usageFilters.default)(resolved.desc, path)) 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, // @ts-expect-error
        meta.object);
        if (id) path.replaceWith(id);
      } else if (resolved.kind === "instance") {
        const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // @ts-expect-error
        meta.object);
        if (!id) return;
        const {
          node
        } = path;

if (t.isCallExpression(path.parent, {
          callee: node
        })) {
          (0, _utils.callMethod)(path, id);
        } else {
          path.replaceWith(t.callExpression(id, [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;

Cancel

File Explorer

Navigation

File Manager

Editing: index.js

File Explorer

Navigation

File Manager

Editing: index.js

Confirm Deletion

Rename Item

Change Permissions (Chmod)