| /* |
| MIT License http://www.opensource.org/licenses/mit-license.php |
| Author Tobias Koppers @sokra |
| */ |
| "use strict"; |
| |
| /** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */ |
| |
| // TODO webpack 5 remove string type from a and b |
| /** |
| * Compare two locations |
| * @param {string|DependencyLocation} a A location node |
| * @param {string|DependencyLocation} b A location node |
| * @returns {-1|0|1} sorting comparator value |
| */ |
| module.exports = (a, b) => { |
| if (typeof a === "string") { |
| if (typeof b === "string") { |
| if (a < b) return -1; |
| if (a > b) return 1; |
| return 0; |
| } else if (typeof b === "object") { |
| return 1; |
| } else { |
| return 0; |
| } |
| } else if (typeof a === "object") { |
| if (typeof b === "string") { |
| return -1; |
| } else if (typeof b === "object") { |
| if ("start" in a && "start" in b) { |
| const ap = a.start; |
| const bp = b.start; |
| if (ap.line < bp.line) return -1; |
| if (ap.line > bp.line) return 1; |
| if (ap.column < bp.column) return -1; |
| if (ap.column > bp.column) return 1; |
| } |
| if ("name" in a && "name" in b) { |
| if (a.name < b.name) return -1; |
| if (a.name > b.name) return 1; |
| } |
| if ("index" in a && "index" in b) { |
| if (a.index < b.index) return -1; |
| if (a.index > b.index) return 1; |
| } |
| return 0; |
| } else { |
| return 0; |
| } |
| } |
| }; |
