41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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"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, options) => {
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api.assertVersion(7);
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const {
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helperVersion = "7.0.0-beta.0",
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whitelist = false
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} = options;
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if (whitelist !== false && (!Array.isArray(whitelist) || whitelist.some(w => typeof w !== "string"))) {
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throw new Error(".whitelist must be undefined, false, or an array of strings");
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}
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const helperWhitelist = whitelist ? new Set(whitelist) : null;
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return {
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name: "external-helpers",
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pre(file) {
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file.set("helperGenerator", name => {
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if (file.availableHelper && !file.availableHelper(name, helperVersion)) {
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return;
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}
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if (helperWhitelist && !helperWhitelist.has(name)) return;
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return _core.types.memberExpression(_core.types.identifier("babelHelpers"), _core.types.identifier(name));
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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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