index.js 1.3 KB

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  1. 'use strict';
  2. var findUp = require('find-up');
  3. var loadJsonFile = require('load-json-file');
  4. var objectAssign = require('object-assign');
  5. var Symbol = require('symbol');
  6. var fpSymbol = Symbol('package.json filepath');
  7. function addFp(x, fp) {
  8. x[fpSymbol] = fp;
  9. return x;
  10. }
  11. module.exports = function (namespace, opts) {
  12. // legacy
  13. if (typeof opts === 'string') {
  14. opts = {cwd: opts};
  15. }
  16. opts = opts || {};
  17. return findUp('package.json', {cwd: opts.cwd})
  18. .then(function (fp) {
  19. if (!namespace) {
  20. throw new TypeError('Expected a namespace');
  21. }
  22. if (!fp) {
  23. return addFp(objectAssign({}, opts.defaults), fp);
  24. }
  25. return loadJsonFile(fp).then(function (pkg) {
  26. return addFp(objectAssign({}, opts.defaults, pkg[namespace]), fp);
  27. });
  28. });
  29. };
  30. module.exports.sync = function (namespace, opts) {
  31. if (!namespace) {
  32. throw new TypeError('Expected a namespace');
  33. }
  34. // legacy
  35. if (typeof opts === 'string') {
  36. opts = {cwd: opts};
  37. }
  38. opts = opts || {};
  39. var fp = findUp.sync('package.json', {cwd: opts.cwd});
  40. if (!fp) {
  41. return addFp(objectAssign({}, opts.defaults), fp);
  42. }
  43. var pkg = loadJsonFile.sync(fp);
  44. return addFp(objectAssign({}, opts.defaults, pkg[namespace]), fp);
  45. };
  46. module.exports.filepath = function (conf) {
  47. return conf[fpSymbol];
  48. };