65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
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'use strict';
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const path = require('path');
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const findUp = require('find-up');
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const loadJsonFile = require('load-json-file');
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const filepaths = new WeakMap();
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const filepath = conf => filepaths.get(conf);
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const findNextCwd = pkgPath => path.resolve(path.dirname(pkgPath), '..');
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const addFp = (obj, fp) => {
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filepaths.set(obj, fp);
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return obj;
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};
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const pkgConf = (namespace, opts) => {
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if (!namespace) {
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return Promise.reject(new TypeError('Expected a namespace'));
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}
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opts = opts || {};
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return findUp('package.json', opts.cwd ? {cwd: opts.cwd} : {})
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.then(fp => {
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if (!fp) {
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return addFp(Object.assign({}, opts.defaults), fp);
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}
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return loadJsonFile(fp).then(pkg => {
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if (opts.skipOnFalse && pkg[namespace] === false) {
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const newOpts = Object.assign({}, opts, {cwd: findNextCwd(fp)});
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return pkgConf(namespace, newOpts);
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}
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return addFp(Object.assign({}, opts.defaults, pkg[namespace]), fp);
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});
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});
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};
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const sync = (namespace, opts) => {
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if (!namespace) {
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throw new TypeError('Expected a namespace');
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}
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opts = opts || {};
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const fp = findUp.sync('package.json', opts.cwd ? {cwd: opts.cwd} : {});
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if (!fp) {
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return addFp(Object.assign({}, opts.defaults), fp);
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}
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const pkg = loadJsonFile.sync(fp);
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if (opts.skipOnFalse && pkg[namespace] === false) {
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const newOpts = Object.assign({}, opts, {cwd: findNextCwd(fp)});
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return sync(namespace, newOpts);
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}
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return addFp(Object.assign({}, opts.defaults, pkg[namespace]), fp);
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};
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module.exports = pkgConf;
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module.exports.filepath = filepath;
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module.exports.sync = sync;
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