StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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111 lines
2.9 KiB
111 lines
2.9 KiB
4 years ago
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'use strict';
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var path = require('path');
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var debug = require('debug')('expand:pkg');
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var Emitter = require('component-emitter');
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var schema = require('./lib/schema');
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var utils = require('./lib/utils');
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/**
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* Create an instance of `Config` with the given `options`.
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*
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* ```js
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* var config = new Config();
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* var pkg = config.expand({
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* author: 'Jon Schlinkert (https://github.com/jonschlinkert)'
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* });
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* console.log(pkg);
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* //=> {name: 'Jon Schlinkert', url: 'https://github.com/jonschlinkert'}
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* ```
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* @param {Object} `options`
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* @api public
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*/
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function Config(options) {
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if (!(this instanceof Config)) {
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return new Config(options);
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}
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debug('initializing <%s>', __filename);
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this.options = options || {};
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this.schema = schema(this.options);
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this.data = this.schema.data;
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this.schema.on('warning', this.emit.bind(this, 'warning'));
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this.schema.on('error', this.emit.bind(this, 'error'));
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}
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/**
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* Inherit `Emitter`
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*/
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Emitter(Config.prototype);
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/**
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* Add a field to the schema, or overwrite or extend an existing field. The last
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* argument is an `options` object that supports the following properties:
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*
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* - `normalize` **{Function}**: function to be called on the given package.json value when the `.expand` method is called
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* - `default` **{any}**: default value to be used when the package.json property is undefined.
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* - `required` **{Boolean}**: define `true` if the property is required
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*
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* ```js
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* var config = new Config();
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*
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* config.field('foo', 'string', {
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* default: 'bar'
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* });
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*
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* var pkg = config.expand({});
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* console.log(pkg);
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* //=> {foo: 'bar'}
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* ```
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*
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* @param {String} `name` Field name (required)
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* @param {String|Array} `type` One or more native javascript types allowed for the property value (required)
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* @param {Object} `options`
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* @return {Object} Returns the instance
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* @api public
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*/
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Config.prototype.field = function(field, type, options) {
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debug('adding "%s"', field);
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if (typeof options === 'function') {
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options = { normalize: options };
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}
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if (options.extend === true) {
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options = utils.merge({}, this.schema.get(field), options);
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}
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this.schema.field(field, type, options);
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return this;
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};
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/**
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* Iterate over `pkg` properties and expand values that have corresponding
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* [fields](#field) registered on the schema.
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*
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* ```js
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* var config = new Config();
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* var pkg = config.expand(require('./package.json'));
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* ```
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* @param {Object} `pkg` The `package.json` object to expand
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* @param {Object} `options`
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* @return {Object} Returns an expanded package.json object.
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* @api public
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*/
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Config.prototype.expand = function(pkg, options) {
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if (typeof pkg === 'undefined') {
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pkg = path.resolve(process.cwd(), 'package.json');
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}
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if (typeof pkg === 'string') {
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pkg = utils.loadPkg.sync(pkg);
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}
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return this.schema.normalize(pkg, options);
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};
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/**
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* Config
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*/
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module.exports = Config;
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