new SourceMap(payload[, { lineLengths }])
- 
payload<Object> - 
lineLengths<number[]> 
创建新的 sourceMap 实例。
¥Creates a new sourceMap instance.
payload 是一个对象,其键与 源映射 v3 格式 匹配:
¥payload is an object with keys matching the Source map v3 format:
- 
file:<string> - 
version:<number> - 
sources:<string[]> - 
sourcesContent:<string[]> - 
names:<string[]> - 
mappings:<string> - 
sourceRoot:<string> 
lineLengths 是生成代码中每行长度的可选数组。
¥lineLengths is an optional array of the length of each line in the
generated code.