Initial commit

2026-07-26 12:29:43 +09:00
parent 5f290dc465
commit 50bfaeafdf
2253 changed files with 318636 additions and 196 deletions
@@ -0,0 +1,49 @@
+// Original: https://github.com/rollup/plugins/tree/8835dd2aed92f408d7dc72d7cc25a9728e16face/packages/json
+
+import JSON5 from "json5";
+import { Plugin } from "rollup";
+import { createFilter, dataToEsm } from "@rollup/pluginutils";
+import { RollupJsonOptions } from "@rollup/plugin-json";
+
+interface Json5SyntaxError extends SyntaxError {
+	lineNumber: number;
+	columnNumber: number;
+}
+
+export default function json5(options: RollupJsonOptions = {}): Plugin {
+	const filter = createFilter(options.include, options.exclude);
+	const indent = "indent" in options ? options.indent : "\t";
+
+	return {
+		name: "json5",
+
+		transform(json, id) {
+			if (id.slice(-6) !== ".json5" || !filter(id)) return null;
+
+			try {
+				const parsed = JSON5.parse(json);
+				return {
+					code: dataToEsm(parsed, {
+						preferConst: options.preferConst,
+						compact: options.compact,
+						namedExports: options.namedExports,
+						indent,
+					}),
+					map: { mappings: "" },
+				};
+			} catch (err) {
+				if (!(err instanceof SyntaxError)) {
+					throw err;
+				}
+				const message = "Could not parse JSON5 file";
+				const { lineNumber, columnNumber } = err as Json5SyntaxError;
+				this.warn({
+					message,
+					id,
+					loc: { line: lineNumber, column: columnNumber },
+				});
+				return null;
+			}
+		},
+	};
+}