CodeLines (proto-js-plugin 1.8.2 API)

java.lang.Object
- io.spine.js.generate.output.CodeLines

```
public final class CodeLines
extends java.lang.Object
```
The aggregator of the JavaScript output.
This class serves as the JS code storage as well as provides the convenience methods for adding the code.
The writable representation of the output may be obtained through the toString() method.

Constructor Summary

Constructors
Constructor and Description
`CodeLines()` Creates an instance of the `JsOutput` with the default indentation.
`CodeLines(io.spine.code.gen.Indent indentation)` Creates an instance of the `JsOutput` with the custom indentation.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`append(CodeLine line)` Appends the code line and indents it to the current indent level.
`void`	`append(CodeLines appended)` Appends another code lines to this code.
`void`	`append(Snippet snippet)` Appends the lines of the snippet.
`void`	`append(java.lang.String codeLine)` Appends the line of code on the current indent level.
`static CodeLines`	`commaSeparated(java.util.List<CodeLine> lines)` Merges lines by addition of a comma to each line except the last one.
`void`	`decreaseDepth()` Manually decreases the current indent level.
`void`	`enterBlock(java.lang.String blockHeader)` Enters block with the custom header.
`void`	`enterElseBlock()` Closes the current `if` block and enters the `else` block.
`void`	`enterIfBlock(java.lang.String condition)` Enters the `if` block body.
`void`	`enterMethod(java.lang.String methodName, java.lang.String... methodArgs)` Declares JS method and enters its body.
`boolean`	`equals(java.lang.Object o)`
`void`	`exitBlock()` Exits the `if`, `else` or custom block.
`void`	`exitMethod()` Exits method declaration.
`int`	`hashCode()`
`void`	`ifNotNull(java.lang.String value)` Enters the `if` block checking that the given value is not `null`.
`void`	`ifNotNullOrUndefined(java.lang.String value)` Enters the `if` block checking that given value is not `null` or `undefined`.
`void`	`ifNotUndefined(java.lang.String value)` Enters the `if` block checking that the given value is not `undefined`.
`void`	`ifNull(java.lang.String value)` Enters the `if` block checking that the given value is `null`.
`void`	`increaseDepth()` Manually increases the current indent level.
`java.lang.String`	`toString()` Concatenates all the code lines with the correct indentation and line separator.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - CodeLines
```
public CodeLines()
```
    Creates an instance of the JsOutput with the default indentation.
  - CodeLines
```
public CodeLines(io.spine.code.gen.Indent indentation)
```
    Creates an instance of the JsOutput with the custom indentation.
    
    Parameters:
    
    indentation - the indentation to use
- Method Detail
  - append
```
public void append(CodeLines appended)
```
    Appends another code lines to this code.
    If the appended lines have different indent level, then the level of appended lines is adjusted to match the level of the current lines.
    The indent level is adjusted by the difference of the levels.
    
    Parameters:
    
    appended - the code to append
  - append
```
public void append(Snippet snippet)
```
    Appends the lines of the snippet.
  - append
```
public void append(java.lang.String codeLine)
```
    Appends the line of code on the current indent level.
    
    Parameters:
    
    codeLine - the code to add
  - append
```
public void append(CodeLine line)
```
    Appends the code line and indents it to the current indent level.
    
    Parameters:
    
    line - the line to append
  - enterMethod
```
public void enterMethod(java.lang.String methodName,
                        java.lang.String... methodArgs)
```
    Declares JS method and enters its body.
    
    Parameters:
    
    methodName - the full method name including type name
    
    methodArgs - the args to pass to the method
  - exitMethod
```
public void exitMethod()
```
    Exits method declaration.
  - enterIfBlock
```
public void enterIfBlock(java.lang.String condition)
```
    Enters the if block body.
    
    Parameters:
    
    condition - the if clause
  - enterElseBlock
```
public void enterElseBlock()
```
    Closes the current if block and enters the else block.
  - enterBlock
```
public void enterBlock(java.lang.String blockHeader)
```
    Enters block with the custom header.
    For example, the custom header may be for (let value in list).
    
    Parameters:
    
    blockHeader - the block header
  - exitBlock
```
public void exitBlock()
```
    Exits the if, else or custom block.
  - ifNull
```
public void ifNull(java.lang.String value)
```
    Enters the if block checking that the given value is null.
    
    Parameters:
    
    value - the expression to check for null
  - ifNotNull
```
public void ifNotNull(java.lang.String value)
```
    Enters the if block checking that the given value is not null.
    
    Parameters:
    
    value - the expression to check for not being null
  - ifNotUndefined
```
public void ifNotUndefined(java.lang.String value)
```
    Enters the if block checking that the given value is not undefined.
    
    Parameters:
    
    value - the expression to check for not being undefined
  - ifNotNullOrUndefined
```
public void ifNotNullOrUndefined(java.lang.String value)
```
    Enters the if block checking that given value is not null or undefined.
    
    Parameters:
    
    value - the expression to check for not being null or undefined
  - increaseDepth
```
public void increaseDepth()
```
    Manually increases the current indent level.
  - decreaseDepth
```
public void decreaseDepth()
```
    Manually decreases the current indent level.
  - commaSeparated
```
public static CodeLines commaSeparated(java.util.List<CodeLine> lines)
```
    Merges lines by addition of a comma to each line except the last one.
  - toString
```
public java.lang.String toString()
```
    Concatenates all the code lines with the correct indentation and line separator.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    all accumulated JS code in a single String
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object

Class CodeLines

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

CodeLines

CodeLines

Method Detail

append

append

append

append

enterMethod

exitMethod

enterIfBlock

enterElseBlock

enterBlock

exitBlock

ifNull

ifNotNull

ifNotUndefined

ifNotNullOrUndefined

increaseDepth

decreaseDepth

commaSeparated

toString

equals

hashCode