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| ; | |
| Object.defineProperty(exports, '__esModule', { | |
| value: true, | |
| }); | |
| exports.getLocation = getLocation; | |
| var _invariant = require('../jsutils/invariant.js'); | |
| const LineRegExp = /\r\n|[\n\r]/g; | |
| /** | |
| * 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. | |
| */ | |
| function getLocation(source, position) { | |
| let lastLineStart = 0; | |
| let line = 1; | |
| for (const match of source.body.matchAll(LineRegExp)) { | |
| typeof match.index === 'number' || (0, _invariant.invariant)(false); | |
| if (match.index >= position) { | |
| break; | |
| } | |
| lastLineStart = match.index + match[0].length; | |
| line += 1; | |
| } | |
| return { | |
| line, | |
| column: position + 1 - lastLineStart, | |
| }; | |
| } | |