"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 = require("@babel/types");
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const {
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isCallExpression,
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isExpressionStatement,
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isIdentifier,
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isStringLiteral
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} = _t;
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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 (!isExpressionStatement(node)) return;
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const {
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expression
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} = node;
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if (isCallExpression(expression) && isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && isStringLiteral(expression.arguments[0])) {
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return expression.arguments[0].value;
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}
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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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}
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