challenge-algorithms-v2.0-D.../node_modules/v8-to-istanbul/lib/line.js

35 lines
1020 B
JavaScript

module.exports = class CovLine {
constructor (line, startCol, lineStr) {
this.line = line
// note that startCol and endCol are absolute positions
// within a file, not relative to the line.
this.startCol = startCol
// the line length itself does not include the newline characters,
// these are however taken into account when enumerating absolute offset.
const matchedNewLineChar = lineStr.match(/\r?\n$/u)
const newLineLength = matchedNewLineChar ? matchedNewLineChar[0].length : 0
this.endCol = startCol + lineStr.length - newLineLength
// we start with all lines having been executed, and work
// backwards zeroing out lines based on V8 output.
this.count = 1
// set by source.js during parsing, if /* c8 ignore next */ is found.
this.ignore = false
}
toIstanbul () {
return {
start: {
line: this.line,
column: 0
},
end: {
line: this.line,
column: this.endCol - this.startCol
}
}
}
}