| ; | |
| 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 = exports.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 { | |
| const node = spread.argument; | |
| if (_core.types.isIdentifier(node)) { | |
| const binding = scope.getBinding(node.name); | |
| if (binding != null && binding.constant && binding.path.isGenericType("Array")) { | |
| return node; | |
| } | |
| } | |
| if (_core.types.isArrayExpression(node)) { | |
| return node; | |
| } | |
| if (_core.types.isIdentifier(node, { | |
| name: "arguments" | |
| })) { | |
| return _core.template.expression.ast` | |
| Array.prototype.slice.call(${node}) | |
| `; | |
| } | |
| const args = [node]; | |
| let helperName = "toConsumableArray"; | |
| if (arrayLikeIsIterable) { | |
| args.unshift(scope.path.hub.addHelper(helperName)); | |
| helperName = "maybeArrayLike"; | |
| } | |
| return _core.types.callExpression(scope.path.hub.addHelper(helperName), args); | |
| } | |
| } | |
| function hasHole(spread) { | |
| return spread.elements.includes(null); | |
| } | |
| 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, file) { | |
| const nodes = []; | |
| let _props = []; | |
| for (const prop of props) { | |
| if (_core.types.isSpreadElement(prop)) { | |
| _props = push(_props, nodes); | |
| let spreadLiteral = getSpreadLiteral(prop, scope); | |
| if (_core.types.isArrayExpression(spreadLiteral) && hasHole(spreadLiteral)) { | |
| spreadLiteral = _core.types.callExpression(file.addHelper("arrayWithoutHoles"), [spreadLiteral]); | |
| } | |
| nodes.push(spreadLiteral); | |
| } 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, this.file); | |
| 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 && _core.types.isIdentifier(args[0].argument, { | |
| name: "arguments" | |
| })) { | |
| nodes = [args[0].argument]; | |
| } else { | |
| nodes = build(args, scope, this.file); | |
| } | |
| 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 (_core.types.isMemberExpression(callee)) { | |
| 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; | |
| if (!hasSpread(node.arguments)) return; | |
| const nodes = build(node.arguments, scope, this.file); | |
| const first = nodes.shift(); | |
| let args; | |
| 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])); | |
| } | |
| } | |
| }; | |
| }); | |
| //# sourceMappingURL=index.js.map | |
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