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docs: 修复 metadata 章节代码示例错误和标点使用中文 #270

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8 changes: 4 additions & 4 deletions docs/tips/metadata.md
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Original file line number Diff line number Diff line change
Expand Up @@ -140,8 +140,8 @@ class SomeClass {
这些 Decorator 也是基于 `Reflect Metadata` 实现，这次，我们将 `metadataKey` 定义在 `descriptor` 的 `value` 上：

```ts
const METHOD_METADATA = 'method'；
const PATH_METADATA = 'path'；
const METHOD_METADATA = 'method';
const PATH_METADATA = 'path';

const Controller = (path: string): ClassDecorator => {
return target => {
Expand All @@ -168,13 +168,13 @@ function mapRoute(instance: Object) {

// 筛选出类的 methodName
const methodsNames = Object.getOwnPropertyNames(prototype)
.filter(item => !isConstructor(item) && isFunction(prototype[item]))；
.filter(item => !isConstructor(prototype[item]) && isFunction(prototype[item]));
return methodsNames.map(methodName => {
const fn = prototype[methodName];

// 取出定义的 metadata
const route = Reflect.getMetadata(PATH_METADATA, fn);
const method = Reflect.getMetadata(METHOD_METADATA, fn)；
const method = Reflect.getMetadata(METHOD_METADATA, fn);
return {
route,
method,
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