docs: add full v0.10 builtin and system module documents

docs/reference/model/builtin.md

@@ -119,6 +119,20 @@ print(isunique(['abc', "a${'bc'}"])) # False
 
 It should be noted that integers and floating-point numbers ignore the type difference and judge whether the values are equal.
 
+## isnullish
+
+Return `True` if the input value is `None` or `Undefined`, and `False` otherwise.
+
+```python
+isnullish(None) # True
+isnullish(Undefined) # True
+isnullish(0) # False
+isnullish([]) # False
+isnullish({}) # False
+isnullish([None]) # False
+isnullish([Undefined]) # False
+```
+
 ## len
 
 `len(x: str | [any] | {:}) -> int`

docs/reference/model/datetime.md

@@ -20,12 +20,18 @@ Return the `%Y-%m-%d %H:%M:%S` format date.
 
 ## now
 
-`now() -> str`
+`now(format: str = "%a %b %d %H:%M:%S %Y") -> str`
 
-Return the local time. e.g. `'Sat Jun 06 16:26:11 1998'`
+Return the local time format. e.g. 'Sat Jun 06 16:26:11 1998' or format the combined date and time per the specified format string, and the default date format is `%a %b %d %H:%M:%S %Y`.
 
 ## today
 
 `today() -> str`
 
 Return the `%Y-%m-%d %H:%M:%S.%{ticks}` format date.
+
+## validate
+
+`validate(date: str, format: str) -> bool`
+
+Validate whether the provided date string matches the specified format.

i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/model/builtin.md

@@ -113,6 +113,20 @@ print(isunique(['abc', "abc"]))      # False
 print(isunique(['abc', "a${'bc'}"])) # False
 ```
 
+## isnullish
+
+如果输入值是 `None` 或 `Undefined`，则返回 `True`；否则返回 `False`。
+
+```python
+isnullish(None) # True
+isnullish(Undefined) # True
+isnullish(0) # False
+isnullish([]) # False
+isnullish({}) # False
+isnullish([None]) # False
+isnullish([Undefined]) # False
+```
+
 需要注意的是整数和浮点数会忽略类型差异，根据值是否相等判断。
 
 ## len

i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/model/datetime.md

@@ -20,12 +20,18 @@ weight: 100
 
 ## now
 
-`now() -> str`
+`now(format: str = "%a %b %d %H:%M:%S %Y") -> str`
 
-返回当地时间，例如 `'Sat Jun 06 16:26:11 1998'`。
+返回本地时间格式。例如：`Sat Jun 06 16:26:11 1998`，或者根据指定的格式字符串格式化组合的日期和时间，默认日期格式为 `%a %b %d %H:%M:%S %Y`。
 
 ## today
 
 `today() -> str`
 
 返回以 `%Y-%m-%d %H:%M:%S.%{ticks}` 格式表示的时间。
+
+## validate
+
+`validate(date: str, format: str) -> bool`
+
+验证提供的日期字符串是否与指定格式匹配。

i18n/zh-CN/docusaurus-plugin-content-docs/version-0.10/reference/model/builtin.md

@@ -113,6 +113,20 @@ print(isunique(['abc', "abc"]))      # False
 print(isunique(['abc', "a${'bc'}"])) # False
 ```
 
+## isnullish
+
+如果输入值是 `None` 或 `Undefined`，则返回 `True`；否则返回 `False`。
+
+```python
+isnullish(None) # True
+isnullish(Undefined) # True
+isnullish(0) # False
+isnullish([]) # False
+isnullish({}) # False
+isnullish([None]) # False
+isnullish([Undefined]) # False
+```
+
 需要注意的是整数和浮点数会忽略类型差异，根据值是否相等判断。
 
 ## len

i18n/zh-CN/docusaurus-plugin-content-docs/version-0.10/reference/model/datetime.md

@@ -20,12 +20,18 @@ weight: 100
 
 ## now
 
-`now() -> str`
+`now(format: str = "%a %b %d %H:%M:%S %Y") -> str`
 
-返回当地时间，例如 `'Sat Jun 06 16:26:11 1998'`。
+返回本地时间格式。例如：`Sat Jun 06 16:26:11 1998`，或者根据指定的格式字符串格式化组合的日期和时间，默认日期格式为 `%a %b %d %H:%M:%S %Y`。
 
 ## today
 
 `today() -> str`
 
 返回以 `%Y-%m-%d %H:%M:%S.%{ticks}` 格式表示的时间。
+
+## validate
+
+`validate(date: str, format: str) -> bool`
+
+验证提供的日期字符串是否与指定格式匹配。

versioned_docs/version-0.10/reference/model/builtin.md

@@ -119,6 +119,20 @@ print(isunique(['abc', "a${'bc'}"])) # False
 
 It should be noted that integers and floating-point numbers ignore the type difference and judge whether the values are equal.
 
+## isnullish
+
+Return `True` if the input value is `None` or `Undefined`, and `False` otherwise.
+
+```python
+isnullish(None) # True
+isnullish(Undefined) # True
+isnullish(0) # False
+isnullish([]) # False
+isnullish({}) # False
+isnullish([None]) # False
+isnullish([Undefined]) # False
+```
+
 ## len
 
 `len(x: str | [any] | {:}) -> int`

versioned_docs/version-0.10/reference/model/datetime.md

@@ -20,12 +20,18 @@ Return the `%Y-%m-%d %H:%M:%S` format date.
 
 ## now
 
-`now() -> str`
+`now(format: str = "%a %b %d %H:%M:%S %Y") -> str`
 
-Return the local time. e.g. `'Sat Jun 06 16:26:11 1998'`
+Return the local time format. e.g. 'Sat Jun 06 16:26:11 1998' or format the combined date and time per the specified format string, and the default date format is `%a %b %d %H:%M:%S %Y`.
 
 ## today
 
 `today() -> str`
 
 Return the `%Y-%m-%d %H:%M:%S.%{ticks}` format date.
+
+## validate
+
+`validate(date: str, format: str) -> bool`
+
+Validate whether the provided date string matches the specified format.