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// 检索字符，并且加上该字符的长度
const indexOfLen = ( str ) => {
const startIndex = str . indexOf ( str ) ;
if ( startIndex !== - 1 ) {
return startIndex + str . length
}
return - 1 ;
}
/**
* 解析SSE数据
* sse返回的数据可能会有多个消息相连， ，
* @param data sse字符串数据
* @returns {*} 处理过后的数组
*/
export const parseSseData = ( data ) => {
try {
let lines = data . split ( "\n" ) ;
lines = lines . map ( v => {
if ( ! v ) return null ;
let startInd = - 1 ;
for ( const ind of [ indexOfLen ( "data: " ) , v . indexOf ( "{" ) ] ) {
if ( ind !== - 1 ) {
startInd = ind ;
break ;
}
}
if ( startInd === - 1 ) {
return v ;
} else {
return v . substring ( startInd , v . length ) . trim ( ) ;
}
} ) . filter ( Boolean ) ;
return lines ;
} catch ( e ) {
console . warn ( "解析失败：" , e ) ;
return data ;
}
}