tahamajs/IE / Projects /front /node_modules /@babel /plugin-transform-nullish-coalescing-operator /lib /index.js
| ; | |
| Object.defineProperty(exports, "__esModule", { | |
| value: true | |
| }); | |
| exports.default = void 0; | |
| var _helperPluginUtils = require("@babel/helper-plugin-utils"); | |
| var _core = require("@babel/core"); | |
| var _default = exports.default = (0, _helperPluginUtils.declare)((api, { | |
| loose = false | |
| }) => { | |
| var _api$assumption, _api$assumption2; | |
| api.assertVersion("^7.0.0-0 || ^8.0.0-0 || >8.0.0-alpha <8.0.0-beta"); | |
| const noDocumentAll = (_api$assumption = api.assumption("noDocumentAll")) != null ? _api$assumption : loose; | |
| const pureGetters = (_api$assumption2 = api.assumption("pureGetters")) != null ? _api$assumption2 : false; | |
| return { | |
| name: "transform-nullish-coalescing-operator", | |
| manipulateOptions: (_, parser) => parser.plugins.push("nullishCoalescingOperator"), | |
| visitor: { | |
| LogicalExpression(path) { | |
| const { | |
| node, | |
| scope | |
| } = path; | |
| if (node.operator !== "??") { | |
| return; | |
| } | |
| let ref; | |
| let assignment; | |
| if (pureGetters && scope.path.isPattern() && _core.types.isMemberExpression(node.left) && !node.left.computed && _core.types.isIdentifier(node.left.object) && _core.types.isIdentifier(node.left.property) || _core.types.isIdentifier(node.left) && (pureGetters || scope.hasBinding(node.left.name))) { | |
| ref = node.left; | |
| assignment = _core.types.cloneNode(node.left); | |
| } else if (scope.path.isPattern()) { | |
| path.replaceWith(_core.template.statement.ast`(() => ${path.node})()`); | |
| return; | |
| } else { | |
| ref = scope.generateUidIdentifierBasedOnNode(node.left); | |
| scope.push({ | |
| id: _core.types.cloneNode(ref) | |
| }); | |
| assignment = _core.types.assignmentExpression("=", ref, node.left); | |
| } | |
| path.replaceWith(_core.types.conditionalExpression(noDocumentAll ? _core.types.binaryExpression("!=", assignment, _core.types.nullLiteral()) : _core.types.logicalExpression("&&", _core.types.binaryExpression("!==", assignment, _core.types.nullLiteral()), _core.types.binaryExpression("!==", _core.types.cloneNode(ref), scope.buildUndefinedNode())), _core.types.cloneNode(ref), node.right)); | |
| } | |
| } | |
| }; | |
| }); | |
| //# sourceMappingURL=index.js.map | |
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