node-ejs-renderer/node_modules/@babel/plugin-transform-class-static-block/lib/index.js
2024-06-09 13:55:01 -04:00

64 lines
2.0 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _helperPluginUtils = require("@babel/helper-plugin-utils");
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 = exports.default = (0, _helperPluginUtils.declare)(({
types: t,
template,
assertVersion,
version
}) => {
assertVersion("^7.12.0 || >8.0.0-alpha <8.0.0-beta");
return {
name: "transform-class-static-block",
inherits: version[0] === "8" ? undefined : require("@babel/plugin-syntax-class-static-block").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 = t.inheritsComments(blockBody[0].expression, blockBody[0]);
} else {
replacement = template.expression.ast`(() => { ${blockBody} })()`;
}
path.replaceWith(t.classPrivateProperty(staticBlockRef, replacement, [], true));
}
}
}
};
});
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