node fixes, updates

1 files changed, 76 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/util/mergeScope.js b/node_modules/webpack/lib/util/mergeScope.js
new file mode 100644
index 00000000..a1a1d2cc
--- /dev/null
+++ b/node_modules/webpack/lib/util/mergeScope.js
@@ -0,0 +1,76 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("eslint-scope").Reference} Reference */
+/** @typedef {import("eslint-scope").Variable} Variable */
+/** @typedef {import("../javascript/JavascriptParser").AnyNode} AnyNode */
+/** @typedef {import("../javascript/JavascriptParser").Program} Program */
+
+/**
+ * @param {Variable} variable variable
+ * @returns {Reference[]} references
+ */
+const getAllReferences = variable => {
+	let set = variable.references;
+	// Look for inner scope variables too (like in class Foo { t() { Foo } })
+	const identifiers = new Set(variable.identifiers);
+	for (const scope of variable.scope.childScopes) {
+		for (const innerVar of scope.variables) {
+			if (innerVar.identifiers.some(id => identifiers.has(id))) {
+				set = set.concat(innerVar.references);
+				break;
+			}
+		}
+	}
+	return set;
+};
+
+/**
+ * @param {Program | Program[]} ast ast
+ * @param {AnyNode} node node
+ * @returns {undefined | AnyNode[]} result
+ */
+const getPathInAst = (ast, node) => {
+	if (ast === node) {
+		return [];
+	}
+
+	const nr = node.range;
+
+	const enterNode = n => {
+		if (!n) return;
+		const r = n.range;
+		if (r && r[0] <= nr[0] && r[1] >= nr[1]) {
+			const path = getPathInAst(n, node);
+			if (path) {
+				path.push(n);
+				return path;
+			}
+		}
+	};
+
+	if (Array.isArray(ast)) {
+		for (let i = 0; i < ast.length; i++) {
+			const enterResult = enterNode(ast[i]);
+			if (enterResult !== undefined) return enterResult;
+		}
+	} else if (ast && typeof ast === "object") {
+		const keys = Object.keys(ast);
+		for (let i = 0; i < keys.length; i++) {
+			const value = ast[keys[i]];
+			if (Array.isArray(value)) {
+				const pathResult = getPathInAst(value, node);
+				if (pathResult !== undefined) return pathResult;
+			} else if (value && typeof value === "object") {
+				const enterResult = enterNode(value);
+				if (enterResult !== undefined) return enterResult;
+			}
+		}
+	}
+};
+
+module.exports = { getAllReferences, getPathInAst };