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-rw-r--r--node_modules/webpack/lib/compareLocations.js52
1 files changed, 52 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/compareLocations.js b/node_modules/webpack/lib/compareLocations.js
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+/*
+ 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;
+ }
+ }
+};