mirror of
https://github.com/swc-project/swc.git
synced 2024-12-30 00:52:29 +03:00
27 lines
596 B
TypeScript
27 lines
596 B
TypeScript
|
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/language/location.js
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Represents a location in a Source.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Takes a Source and a UTF-8 character offset, and returns the corresponding
|
||
|
|
* line and column as a SourceLocation.
|
||
|
|
*/
|
||
|
|
export function getLocation(source, position) {
|
||
|
|
const lineRegexp = /\r\n|[\n\r]/g;
|
||
|
|
let line = 1;
|
||
|
|
let column = position + 1;
|
||
|
|
let match;
|
||
|
|
|
||
|
|
while ((match = lineRegexp.exec(source.body)) && match.index < position) {
|
||
|
|
line += 1;
|
||
|
|
column = position + 1 - (match.index + match[0].length);
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
line,
|
||
|
|
column
|
||
|
|
};
|
||
|
|
}
|