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					150 lines
				
				5.2 KiB
			
		
		
			
		
	
	
					150 lines
				
				5.2 KiB
			| 
											3 years ago
										 | "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 hasHole(spread) { | ||
|  |     return spread.elements.some(el => el === 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])); | ||
|  |       } | ||
|  |     } | ||
|  |   }; | ||
|  | }); | ||
|  | exports.default = _default; | ||
|  | 
 | ||
|  | //# sourceMappingURL=index.js.map
 |