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"use strict";
Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0;
var _helperPluginUtils = require("@babel/helper-plugin-utils");
var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers");
var _core = require("@babel/core");
var _default = (0, _helperPluginUtils.declare)((api, options) => { var _api$assumption, _options$allowArrayLi;
api.assertVersion(7); const iterableIsArray = (_api$assumption = api.assumption("iterableIsArray")) != null ? _api$assumption : options.loose; const arrayLikeIsIterable = (_options$allowArrayLi = options.allowArrayLike) != null ? _options$allowArrayLi : api.assumption("arrayLikeIsIterable");
function getSpreadLiteral(spread, scope) { if (iterableIsArray && !_core.types.isIdentifier(spread.argument, { name: "arguments" })) { return spread.argument; } else { return scope.toArray(spread.argument, true, arrayLikeIsIterable); } }
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 = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers)(path.get("callee"));
if (calleePath.isSuper()) { throw path.buildCodeFrameError("It's not possible to compile spread arguments in `super()` without compiling classes.\n" + "Please add '@babel/plugin-transform-classes' to your Babel configuration."); }
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 = calleePath.node;
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); } }
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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