35 lines
No EOL
1.8 KiB
JavaScript
35 lines
No EOL
1.8 KiB
JavaScript
"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.getImportSource = getImportSource;
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exports.getRequireSource = getRequireSource;
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exports.isPolyfillSource = isPolyfillSource;
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var t = _interopRequireWildcard(require("@babel/types"));
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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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; }
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function getImportSource({
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node
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}) {
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if (node.specifiers.length === 0) return node.source.value;
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}
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function getRequireSource({
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node
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}) {
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if (!t.isExpressionStatement(node)) return;
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const {
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expression
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} = node;
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const isRequire = t.isCallExpression(expression) && t.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && t.isStringLiteral(expression.arguments[0]);
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if (isRequire) return expression.arguments[0].value;
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}
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function isPolyfillSource(source) {
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return source === "@babel/polyfill" || source === "core-js";
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} |