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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
-
- var _helperPluginUtils = require("@babel/helper-plugin-utils");
-
- var _core = require("@babel/core");
-
- var _default = (0, _helperPluginUtils.declare)((api, options) => {
- api.assertVersion(7);
- const {
- loose
- } = options;
-
- function getSpreadLiteral(spread, scope) {
- if (loose && !_core.types.isIdentifier(spread.argument, {
- name: "arguments"
- })) {
- return spread.argument;
- } else {
- return scope.toArray(spread.argument, true);
- }
- }
-
- function hasSpread(nodes) {
- for (let i = 0; i < nodes.length; i++) {
- if (_core.types.isSpreadElement(nodes[i])) {
- return true;
- }
- }
-
- return false;
- }
-
- function push(_props, nodes) {
- if (!_props.length) return _props;
- nodes.push(_core.types.arrayExpression(_props));
- return [];
- }
-
- function build(props, scope) {
- const nodes = [];
- let _props = [];
-
- for (const prop of props) {
- if (_core.types.isSpreadElement(prop)) {
- _props = push(_props, nodes);
- nodes.push(getSpreadLiteral(prop, scope));
- } else {
- _props.push(prop);
- }
- }
-
- push(_props, nodes);
- return nodes;
- }
-
- return {
- name: "transform-spread",
- visitor: {
- ArrayExpression(path) {
- const {
- node,
- scope
- } = path;
- const elements = node.elements;
- if (!hasSpread(elements)) return;
- const nodes = build(elements, scope);
- let first = nodes[0];
-
- if (nodes.length === 1 && first !== elements[0].argument) {
- path.replaceWith(first);
- return;
- }
-
- if (!_core.types.isArrayExpression(first)) {
- first = _core.types.arrayExpression([]);
- } else {
- nodes.shift();
- }
-
- path.replaceWith(_core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes));
- },
-
- CallExpression(path) {
- const {
- node,
- scope
- } = path;
- const args = node.arguments;
- if (!hasSpread(args)) return;
- const calleePath = path.get("callee");
- if (calleePath.isSuper()) return;
- let contextLiteral = scope.buildUndefinedNode();
- node.arguments = [];
- let nodes;
-
- if (args.length === 1 && args[0].argument.name === "arguments") {
- nodes = [args[0].argument];
- } else {
- nodes = build(args, scope);
- }
-
- const first = nodes.shift();
-
- if (nodes.length) {
- node.arguments.push(_core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes));
- } else {
- node.arguments.push(first);
- }
-
- const callee = node.callee;
-
- if (calleePath.isMemberExpression()) {
- const temp = scope.maybeGenerateMemoised(callee.object);
-
- if (temp) {
- callee.object = _core.types.assignmentExpression("=", temp, callee.object);
- contextLiteral = temp;
- } else {
- contextLiteral = _core.types.cloneNode(callee.object);
- }
-
- _core.types.appendToMemberExpression(callee, _core.types.identifier("apply"));
- } else {
- node.callee = _core.types.memberExpression(node.callee, _core.types.identifier("apply"));
- }
-
- if (_core.types.isSuper(contextLiteral)) {
- contextLiteral = _core.types.thisExpression();
- }
-
- node.arguments.unshift(_core.types.cloneNode(contextLiteral));
- },
-
- NewExpression(path) {
- const {
- node,
- scope
- } = path;
- let args = node.arguments;
- if (!hasSpread(args)) return;
- const nodes = build(args, scope);
- const first = nodes.shift();
-
- if (nodes.length) {
- args = _core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes);
- } else {
- args = first;
- }
-
- path.replaceWith(_core.types.callExpression(path.hub.addHelper("construct"), [node.callee, args]));
- }
-
- }
- };
- });
-
- exports.default = _default;
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