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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _helperPluginUtils = require("@babel/helper-plugin-utils");
- var _pluginSyntaxClassStaticBlock = require("@babel/plugin-syntax-class-static-block");
- var _helperCreateClassFeaturesPlugin = require("@babel/helper-create-class-features-plugin");
- function generateUid(scope, denyList) {
- const name = "";
- let uid;
- let i = 1;
- do {
- uid = scope._generateUid(name, i);
- i++;
- } while (denyList.has(uid));
- return uid;
- }
- var _default = (0, _helperPluginUtils.declare)(({
- types: t,
- template,
- assertVersion
- }) => {
- assertVersion("^7.12.0");
- return {
- name: "proposal-class-static-block",
- inherits: _pluginSyntaxClassStaticBlock.default,
- pre() {
- (0, _helperCreateClassFeaturesPlugin.enableFeature)(this.file, _helperCreateClassFeaturesPlugin.FEATURES.staticBlocks, false);
- },
- visitor: {
- ClassBody(classBody) {
- const {
- scope
- } = classBody;
- const privateNames = new Set();
- const body = classBody.get("body");
- for (const path of body) {
- if (path.isPrivate()) {
- privateNames.add(path.get("key.id").node.name);
- }
- }
- for (const path of body) {
- if (!path.isStaticBlock()) continue;
- const staticBlockPrivateId = generateUid(scope, privateNames);
- privateNames.add(staticBlockPrivateId);
- const staticBlockRef = t.privateName(t.identifier(staticBlockPrivateId));
- let replacement;
- const blockBody = path.node.body;
- if (blockBody.length === 1 && t.isExpressionStatement(blockBody[0])) {
- replacement = blockBody[0].expression;
- } else {
- replacement = template.expression.ast`(() => { ${blockBody} })()`;
- }
- path.replaceWith(t.classPrivateProperty(staticBlockRef, replacement, [], true));
- }
- }
- }
- };
- });
- exports.default = _default;
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