fix: 修复 CodeBuilder 中的循环依赖检测和代码块处理逻辑

[Devancn]

下面的 chunk 没有循环依赖，原有逻辑会报循环依赖错误。

[{
	"name": "Template",
	"type": "string",
	"content": "<template><Page ref=\\"
	outerView\\ " :style=\\" {
		height: '100%'
	}\\
	"><Button prefix=\\"
	next - \\" type=\\"
	primary\\ " size=\\"
	medium\\ " htmlType=\\"
	button\\ " component=\\"
	button\\ ">按钮</Button></Page></template>",
	"linkAfter": []
}, {
	"name": "ScriptStart",
	"type": "string",
	"content": "<script>",
	"linkAfter": ["Template"]
}, {
	"name": "ScriptEnd",
	"type": "string",
	"content": "</script>",
	"linkAfter": ["OptionsDefineEnd"]
}, {
	"name": "OptionsDefineStart",
	"type": "string",
	"content": "export default {\\n  name: '$$Page',",
	"linkAfter": []
}, {
	"name": "OptionsDefineEnd",
	"type": "string",
	"content": "}",
	"linkAfter": ["Data", "LifeCycle", "MethodsEnd"]
}, {
	"name": "Data",
	"type": "string",
	"content": "data() { return {text: \\"
	outer\\ ",isShowDialog: false,} },",
	"linkAfter": ["OptionsDefineStart"]
}, {
	"name": "LifeCycle",
	"type": "string",
	"content": "mounted() {\\n  console.log('did mount');\\n},",
	"linkAfter": ["Data"]
}, {
	"name": "LifeCycle",
	"type": "string",
	"content": "beforeDestroy() {\\n  console.log('will unmount');\\n},",
	"linkAfter": ["Data"]
}, {
	"name": "MethodsStart",
	"type": "string",
	"content": "methods: {",
	"linkAfter": ["Data", "LifeCycle"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "testFunc() {\\n  console.log('test func');\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "onClick() {\\n  this.setState({\\n    isShowDialog: true\\n  });\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "closeDialog() {\\n  this.setState({\\n    isShowDialog: false\\n  });\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "getHelloWorldText() {\\n  return this.i18n('i18n-jwg27yo4');\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "getHelloWorldText2() {\\n  return this.i18n('i18n-jwg27yo3', {\\n    name: '絮黎'\\n  });\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "onTestConstantsButtonClicked() {\\n  console.log('constants.ConstantA:', this.constants.ConstantA);\\n  console.log('constants.ConstantB:', this.constants.ConstantB);\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsContent",
	"type": "string",
	"content": "onTestUtilsButtonClicked() {\\n  this.utils.demoUtil('param1', 'param2');\\n},",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "MethodsEnd",
	"type": "string",
	"content": "},",
	"linkAfter": ["MethodsContent"]
}, {
	"name": "MethodsStart",
	"type": "string",
	"content": "<style>",
	"linkAfter": ["ScriptEnd"]
}, {
	"name": "StyleContent",
	"type": "string",
	"content": "body {\\n  font-size: 12px;\\n}\\n\\n.button {\\n  width: 100px;\\n  color: #ff00ff\\n}",
	"linkAfter": ["MethodsStart"]
}, {
	"name": "StyleEnd",
	"type": "string",
	"content": "</style>",
	"linkAfter": ["StyleContent"]
}]

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