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56 lines
1.2 KiB
56 lines
1.2 KiB
"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 _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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function statementList(key, path) {
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const paths = path.get(key);
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for (const path of paths) {
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const func = path.node;
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if (!path.isFunctionDeclaration()) continue;
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const declar = _core.types.variableDeclaration("let", [_core.types.variableDeclarator(func.id, _core.types.toExpression(func))]);
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declar._blockHoist = 2;
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func.id = null;
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path.replaceWith(declar);
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}
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}
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return {
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name: "transform-block-scoped-functions",
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visitor: {
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BlockStatement(path) {
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const {
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node,
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parent
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} = path;
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if (_core.types.isFunction(parent, {
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body: node
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}) || _core.types.isExportDeclaration(parent)) {
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return;
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}
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statementList("body", path);
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},
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SwitchCase(path) {
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statementList("consequent", path);
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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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