| 66 | * @returns {BasicEvaluatedExpression | undefined} basic evaluated expression |
| 67 | */ |
| 68 | const getEvaluatedExpr = (expr, parser) => { |
| 69 | let result = getEvaluatedExprCache.get(expr); |
| 70 | if (result !== undefined) return result; |
| 71 | |
| 72 | /** |
| 73 | * Returns basic evaluated expression. |
| 74 | * @returns {BasicEvaluatedExpression | undefined} basic evaluated expression |
| 75 | */ |
| 76 | const evaluate = () => { |
| 77 | if (expr.arguments.length !== 2) return; |
| 78 | |
| 79 | const [arg1, arg2] = expr.arguments; |
| 80 | |
| 81 | if (arg2.type !== "MemberExpression" || arg1.type === "SpreadElement") { |
| 82 | return; |
| 83 | } |
| 84 | if (!isMetaUrl(parser, arg2)) return; |
| 85 | |
| 86 | return parser.evaluateExpression(arg1); |
| 87 | }; |
| 88 | |
| 89 | result = evaluate(); |
| 90 | getEvaluatedExprCache.set(expr, result); |
| 91 | |
| 92 | return result; |
| 93 | }; |
| 94 | |
| 95 | class URLParserPlugin { |
| 96 | /** |