56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/**
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* Dependencies
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*/
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var Promise = require('bluebird'),
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fs = require('fs'),
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i18n = require('../i18n'),
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readFile = Promise.promisify(fs.readFile);
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/**
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* Parse package.json and validate it has
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* all the required fields
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*/
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function parsePackageJson(path) {
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return readFile(path)
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.catch(function () {
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var err = new Error(i18n.t('errors.utils.parsepackagejson.couldNotReadPackage'));
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err.context = path;
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return Promise.reject(err);
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})
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.then(function (source) {
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var hasRequiredKeys, json, err;
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try {
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json = JSON.parse(source);
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hasRequiredKeys = json.name && json.version;
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if (!hasRequiredKeys) {
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err = new Error(i18n.t('errors.utils.parsepackagejson.nameOrVersionMissing'));
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err.context = path;
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err.help = i18n.t('errors.utils.parsepackagejson.willBeRequired', {url: 'http://docs.ghost.org/themes/'});
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return Promise.reject(err);
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}
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return json;
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} catch (parseError) {
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err = new Error(i18n.t('errors.utils.parsepackagejson.themeFileIsMalformed'));
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err.context = path;
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err.help = i18n.t('errors.utils.parsepackagejson.willBeRequired', {url: 'http://docs.ghost.org/themes/'});
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return Promise.reject(err);
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}
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});
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}
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/**
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* Expose `parsePackageJson`
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*/
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module.exports = parsePackageJson;
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