36 lines
1.0 KiB
JavaScript
36 lines
1.0 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 = optimiseCallExpression;
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var _t = require("@babel/types");
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const {
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callExpression,
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identifier,
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isIdentifier,
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isSpreadElement,
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memberExpression,
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optionalCallExpression,
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optionalMemberExpression
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} = _t;
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function optimiseCallExpression(callee, thisNode, args, optional) {
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if (args.length === 1 && isSpreadElement(args[0]) && isIdentifier(args[0].argument, {
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name: "arguments"
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})) {
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if (optional) {
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return optionalCallExpression(optionalMemberExpression(callee, identifier("apply"), false, true), [thisNode, args[0].argument], false);
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}
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return callExpression(memberExpression(callee, identifier("apply")), [thisNode, args[0].argument]);
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} else {
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if (optional) {
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return optionalCallExpression(optionalMemberExpression(callee, identifier("call"), false, true), [thisNode, ...args], false);
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}
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return callExpression(memberExpression(callee, identifier("call")), [thisNode, ...args]);
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}
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}
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