postinstall.js 1.0 KB

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  1. "use strict";
  2. var path = require("path"),
  3. fs = require("fs"),
  4. pkg = require(path.join(__dirname, "..", "package.json"));
  5. // check version scheme used by dependents
  6. if (!pkg.versionScheme)
  7. return;
  8. var warn = process.stderr.isTTY
  9. ? "\x1b[30m\x1b[43mWARN\x1b[0m \x1b[35m" + path.basename(process.argv[1], ".js") + "\x1b[0m"
  10. : "WARN " + path.basename(process.argv[1], ".js");
  11. var basePkg;
  12. try {
  13. basePkg = JSON.parse(fs.readFileSync(path.join(__dirname, "..", "..", "package.json")));
  14. } catch (e) {
  15. return;
  16. }
  17. [
  18. "dependencies",
  19. "devDependencies",
  20. "optionalDependencies",
  21. "peerDependencies"
  22. ]
  23. .forEach(function(check) {
  24. var version = basePkg && basePkg[check] && basePkg[check][pkg.name];
  25. if (typeof version === "string" && version.charAt(0) !== pkg.versionScheme)
  26. process.stderr.write(pkg.name + " " + warn + " " + pkg.name + "@" + version + " is configured as a dependency of " + basePkg.name + ". use " + pkg.name + "@" + pkg.versionScheme + version.substring(1) + " instead for API compatibility.\n");
  27. });