Changed from static to 11ty!

1 files changed, 59 insertions, 0 deletions

diff --git a/node_modules/@11ty/eleventy/src/Util/Compatibility.js b/node_modules/@11ty/eleventy/src/Util/Compatibility.js
new file mode 100644
index 0000000..c90a9b3
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/Util/Compatibility.js
@@ -0,0 +1,59 @@
+import semver from "semver";
+
+import { getEleventyPackageJson, getWorkingProjectPackageJson } from "./ImportJsonSync.js";
+
+const pkg = getEleventyPackageJson();
+
+// Used in user config versionCheck method.
+class Compatibility {
+	static NORMALIZE_PRERELEASE_REGEX = /-canary\b/g;
+
+	static #projectPackageJson;
+
+	constructor(compatibleRange) {
+		this.compatibleRange = Compatibility.getCompatibilityValue(compatibleRange);
+	}
+
+	static get projectPackageJson() {
+		if (!this.#projectPackageJson) {
+			this.#projectPackageJson = getWorkingProjectPackageJson();
+		}
+
+		return this.#projectPackageJson;
+	}
+
+	static normalizeIdentifier(identifier) {
+		return identifier.replace(Compatibility.NORMALIZE_PRERELEASE_REGEX, "-alpha");
+	}
+
+	static getCompatibilityValue(compatibleRange) {
+		if (compatibleRange) {
+			return compatibleRange;
+		}
+
+		// fetch from project’s package.json
+		if (this.projectPackageJson?.["11ty"]?.compatibility) {
+			return this.projectPackageJson["11ty"].compatibility;
+		}
+	}
+
+	isCompatible() {
+		return Compatibility.satisfies(pkg.version, this.compatibleRange);
+	}
+
+	static satisfies(version, compatibleRange) {
+		return semver.satisfies(
+			Compatibility.normalizeIdentifier(version),
+			Compatibility.normalizeIdentifier(compatibleRange),
+			{
+				includePrerelease: true,
+			},
+		);
+	}
+
+	getErrorMessage() {
+		return `We found Eleventy version '${pkg.version}' which does not meet the required version range: '${this.compatibleRange}'. Use \`npm install @11ty/eleventy\` to upgrade your local project to the latest Eleventy version (or \`npm install @11ty/eleventy -g\` to upgrade the globally installed version).`;
+	}
+}
+
+export default Compatibility;