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Editing: index.js
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = _default; var _helperBindifyDecorators = _interopRequireDefault(require("@babel/helper-bindify-decorators")); var t = _interopRequireWildcard(require("@babel/types")); 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 _default(classPath) { classPath.assertClass(); const memoisedExpressions = []; function maybeMemoise(path) { if (!path.node || path.isPure()) return; const uid = classPath.scope.generateDeclaredUidIdentifier(); memoisedExpressions.push(t.assignmentExpression("=", uid, path.node)); path.replaceWith(uid); } function memoiseDecorators(paths) { if (!Array.isArray(paths) || !paths.length) return; paths = paths.reverse(); (0, _helperBindifyDecorators.default)(paths); for (const path of paths) { maybeMemoise(path); } } maybeMemoise(classPath.get("superClass")); memoiseDecorators(classPath.get("decorators"), true); const methods = classPath.get("body.body"); for (const methodPath of methods) { if (methodPath.is("computed")) { maybeMemoise(methodPath.get("key")); } if (methodPath.has("decorators")) { memoiseDecorators(classPath.get("decorators")); } } if (memoisedExpressions) { classPath.insertBefore(memoisedExpressions.map(expr => t.expressionStatement(expr))); } }
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