summaryrefslogtreecommitdiff
path: root/includes/external/school/node_modules/graphql/language/location.js.flow
diff options
context:
space:
mode:
Diffstat (limited to 'includes/external/school/node_modules/graphql/language/location.js.flow')
-rw-r--r--includes/external/school/node_modules/graphql/language/location.js.flow26
1 files changed, 26 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/graphql/language/location.js.flow b/includes/external/school/node_modules/graphql/language/location.js.flow
new file mode 100644
index 0000000..94b77f1
--- /dev/null
+++ b/includes/external/school/node_modules/graphql/language/location.js.flow
@@ -0,0 +1,26 @@
+// @flow strict
+import type { Source } from './source';
+
+/**
+ * Represents a location in a Source.
+ */
+export type SourceLocation = {|
+ +line: number,
+ +column: number,
+|};
+
+/**
+ * Takes a Source and a UTF-8 character offset, and returns the corresponding
+ * line and column as a SourceLocation.
+ */
+export function getLocation(source: Source, position: number): SourceLocation {
+ 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 };
+}