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57 lines
1.7 KiB
57 lines
1.7 KiB
3 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _pluginSyntaxExportNamespaceFrom = require("@babel/plugin-syntax-export-namespace-from");
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var _core = require("@babel/core");
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var _default = (0, _helperPluginUtils.declare)(api => {
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api.assertVersion(7);
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return {
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name: "proposal-export-namespace-from",
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inherits: _pluginSyntaxExportNamespaceFrom.default,
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visitor: {
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ExportNamedDeclaration(path) {
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var _exported$name;
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const {
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node,
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scope
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} = path;
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const {
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specifiers
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} = node;
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const index = _core.types.isExportDefaultSpecifier(specifiers[0]) ? 1 : 0;
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if (!_core.types.isExportNamespaceSpecifier(specifiers[index])) return;
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const nodes = [];
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if (index === 1) {
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nodes.push(_core.types.exportNamedDeclaration(null, [specifiers.shift()], node.source));
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}
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const specifier = specifiers.shift();
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const {
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exported
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} = specifier;
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const uid = scope.generateUidIdentifier((_exported$name = exported.name) != null ? _exported$name : exported.value);
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nodes.push(_core.types.importDeclaration([_core.types.importNamespaceSpecifier(uid)], _core.types.cloneNode(node.source)), _core.types.exportNamedDeclaration(null, [_core.types.exportSpecifier(_core.types.cloneNode(uid), exported)]));
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if (node.specifiers.length >= 1) {
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nodes.push(node);
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}
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const [importDeclaration] = path.replaceWithMultiple(nodes);
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path.scope.registerDeclaration(importDeclaration);
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}
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}
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};
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});
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exports.default = _default;
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