Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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100644
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File size:
1.0 KB
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1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = optimiseCallExpression;
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7 |
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8 | var _t = require("@babel/types");
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9 |
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10 | const {
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11 | callExpression,
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12 | identifier,
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13 | isIdentifier,
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14 | isSpreadElement,
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15 | memberExpression,
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16 | optionalCallExpression,
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17 | optionalMemberExpression
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18 | } = _t;
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19 |
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20 | function optimiseCallExpression(callee, thisNode, args, optional) {
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21 | if (args.length === 1 && isSpreadElement(args[0]) && isIdentifier(args[0].argument, {
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22 | name: "arguments"
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23 | })) {
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24 | if (optional) {
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25 | return optionalCallExpression(optionalMemberExpression(callee, identifier("apply"), false, true), [thisNode, args[0].argument], false);
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26 | }
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27 |
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28 | return callExpression(memberExpression(callee, identifier("apply")), [thisNode, args[0].argument]);
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29 | } else {
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30 | if (optional) {
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31 | return optionalCallExpression(optionalMemberExpression(callee, identifier("call"), false, true), [thisNode, ...args], false);
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32 | }
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33 |
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34 | return callExpression(memberExpression(callee, identifier("call")), [thisNode, ...args]);
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35 | }
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36 | } |
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