chain-able
Version:
interfaces that describe their intentions.
256 lines (231 loc) • 19.2 kB
JavaScript
var ENV_DEBUG = require('./deps/env/debug')
var ChainedMap = require('./ChainedMap')
var isUndefined = require('./deps/is/undefined')
var isTrue = require('./deps/is/true')
var ON_CHAIN_UP_DOWN_KEY = 'onChainUpDown'
var ON_DONE_KEY = 'onDone'
/**
* @extends {ChainedMapBase}
* @inheritdoc
* @prop {Object} data
* @prop {Set} _calls
* @type {Map}
*
* {@link http://robdodson.me/javascript-design-patterns-factory/ abstract-factory-pattern}
*
* @member FactoryChain
* @category Chainable
* @tests FactoryChain
* @types FactoryChain
*/
var FactoryChain = (function (ChainedMap) {
function FactoryChain(parent) {
ChainedMap.call(this, parent)
this.data = {}
this._calls = new Set()
this.factory()
.extend(['optional', 'required', ON_CHAIN_UP_DOWN_KEY, ON_DONE_KEY])
.set('len', 0)
}
if ( ChainedMap ) FactoryChain.__proto__ = ChainedMap;
FactoryChain.prototype = Object.create( ChainedMap && ChainedMap.prototype );
FactoryChain.prototype.constructor = FactoryChain;
/**
* @desc chain back up to parent for any of these
* @since 2.0.0
*
* @param {Array<string>} methods methods to trigger `onChainUpDown` on
* @return {FactoryChain} @chainable
*
* @memberOf FactoryChain
* @emits onChainUpDown
* @TODO should have a debug log for this
*
* @example
*
* const {Chain, FactoryChain, ChainedSet} = require('chain-able')
*
* class Things extends Chain {
* constructor(parent) {
* super(parent)
* this.people = new ChainedSet(this)
* }
* person() {
* const person = new FactoryChain(this)
* person
* .props(['name', 'age', 'email'])
* .onChainUpDown(this.person)
* .chainUpDowns(['person'])
* .onDone(personChain => {
* this.people.add(personChain)
* return this
* })
*
* return person
* }
* }
*
* const things = new Things()
* const returned = things
* .person()
* .name('sue')
* .person()
* .age(100)
* .name('john')
* .email('@')
*
*/
FactoryChain.prototype.chainUpDowns = function chainUpDowns (methods) {
var arguments$1 = arguments;
var this$1 = this;
methods.forEach(function (m) {
this$1[m] = function () {
// @@debugger
this$1.end()
return this$1.parent[m].apply(this$1.parent, arguments$1)
}
})
return this
};
/**
* @desc adds an *array* of properties, using FactoryChain.prop
* @since 2.0.0
*
* @memberOf FactoryChain
* @param {Array<string>} names property names
* @return {FactoryChain} @chainable
*
* @see FactoryChain.prop
*
* @example
*
* person.props(['name', 'age', 'email'])
*
* typeof person.name
* //=> 'function'
*
* person.name().age()
* //=> FactoryChain
*
* person.name().age().email()
* //=> ParentChain
*
* // person.name().age().person()
* //=> FactoryChain
* //^ because .person is `chainUpDowns`
* //^ so it finishes the old chain, and begins a new one
*
*/
FactoryChain.prototype.props = function props (names) {
var this$1 = this;
names.forEach(function (name) { return this$1.prop(name); })
return this
};
/* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */
/**
* @desc add property that are counted towards the call count for easy auto-ending chaining
* @since 2.0.0
*
* @param {Primitive} name property name
* @param {Function | null | undefined} [onCall=undefined] callback for the property
* @return {FactoryChain} @chainable
*
* @memberOf FactoryChain
*
* @example
*
* person
* //.prop also accepts an optional callback,
* //for nestable nestable chains
* .prop('name')
* .prop('age')
* .prop('email')
*
*/
FactoryChain.prototype.prop = function prop (name, onCall) {
var this$1 = this;
this.tap('len', function (len) { return len + 1; })
// so if we call a property twice,
// chain back up to parent,
// add a new chain
if (!isUndefined(this[name]) && isTrue(this.has(ON_CHAIN_UP_DOWN_KEY))) {
this.end()
return this.get(ON_CHAIN_UP_DOWN_KEY)()[name](onCall)
}
// @TODO need to spread as needed
this[name] = function (args) {
// @@debugger
/* istanbul ignore next: devs */
if (ENV_DEBUG) {
console.log(
("called " + name + " with:"),
args,
"calls length is now:",
this$1._calls.size
)
}
if (isUndefined(onCall)) { this$1.data[name] = args }
else { onCall(args) }
this$1._calls.add(name)
// aka magicReturn
return this$1._calls.size === this$1.get('len') ? this$1.end() : this$1
}
return this
};
/**
* @desc access data being built when stepping through a factory
* @since 2.0.0
*
* @param {Primitive} [prop=undefined] key of the data, or returns all data
* @return {any} this.data
*
* @memberOf FactoryChain
*
* @example
*
* .data['prop'] = 'eh'
* .getData('prop')
* //=> 'eh'
* .getData()
* //=> {prop: 'eh'}
*
* @example
*
* const person = new FactoryChain(this)
* const age = person.props(['name', 'age']).age(10).getData('age')
* expect(age).toBe(10)
*
*/
FactoryChain.prototype.getData = function getData (prop) {
/* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */
return isUndefined(prop) ? this.data : this.data[prop]
};
/* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */
/**
* @desc creates/add the `.end` method, which checks how many methods have been called, and decides whether to return parent or not
* @modifies this.end
*
* @since 2.0.0
*
* @param {Object} [obj={}] optiona object to use for creating .end
* @return {FactoryChain} @chainable
*
* @memberOf FactoryChain
*/
FactoryChain.prototype.factory = function factory (obj) {
var this$1 = this;
this.end = function (arg) {
// @@debugger
var ended
if (obj && !isUndefined(obj.end)) { ended = obj.end }
else if (this$1.has(ON_DONE_KEY)) { ended = this$1.get(ON_DONE_KEY) }
if (ended) { ended = ended.call(this$1, this$1.data, this$1.parent, this$1, arg) }
if (ended && ended !== this$1) { return ended }
else { return this$1.parent }
}
return this
};
return FactoryChain;
}(ChainedMap));
module.exports = FactoryChain
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"FactoryChain.js","sources":["FactoryChain.js"],"sourcesContent":["const ENV_DEBUG = require('./deps/env/debug')\nconst ChainedMap = require('./ChainedMap')\nconst isUndefined = require('./deps/is/undefined')\nconst isTrue = require('./deps/is/true')\n\nconst ON_CHAIN_UP_DOWN_KEY = 'onChainUpDown'\nconst ON_DONE_KEY = 'onDone'\n\n/**\n * @extends {ChainedMapBase}\n * @inheritdoc\n * @prop {Object} data\n * @prop {Set} _calls\n * @type {Map}\n *\n * {@link http://robdodson.me/javascript-design-patterns-factory/ abstract-factory-pattern}\n *\n * @member FactoryChain\n * @category Chainable\n * @tests FactoryChain\n * @types FactoryChain\n */\nclass FactoryChain extends ChainedMap {\n  constructor(parent) {\n    super(parent)\n\n    this.data = {}\n    this._calls = new Set()\n\n    this.factory()\n      .extend(['optional', 'required', ON_CHAIN_UP_DOWN_KEY, ON_DONE_KEY])\n      .set('len', 0)\n  }\n\n  /**\n   * @desc chain back up to parent for any of these\n   * @since 2.0.0\n   *\n   * @param  {Array<string>} methods methods to trigger `onChainUpDown` on\n   * @return {FactoryChain} @chainable\n   *\n   * @memberOf FactoryChain\n   * @emits onChainUpDown\n   * @TODO should have a debug log for this\n   *\n   * @example\n   *\n   *    const {Chain, FactoryChain, ChainedSet} = require('chain-able')\n   *\n   *    class Things extends Chain {\n   *      constructor(parent) {\n   *        super(parent)\n   *        this.people = new ChainedSet(this)\n   *      }\n   *      person() {\n   *        const person = new FactoryChain(this)\n   *        person\n   *          .props(['name', 'age', 'email'])\n   *          .onChainUpDown(this.person)\n   *          .chainUpDowns(['person'])\n   *          .onDone(personChain => {\n   *            this.people.add(personChain)\n   *            return this\n   *          })\n   *\n   *        return person\n   *      }\n   *    }\n   *\n   *    const things = new Things()\n   *    const returned = things\n   *        .person()\n   *          .name('sue')\n   *        .person()\n   *          .age(100)\n   *          .name('john')\n   *          .email('@')\n   *\n   */\n  chainUpDowns(methods) {\n    methods.forEach(m => {\n      this[m] = () => {\n        // @@debugger\n        this.end()\n        return this.parent[m].apply(this.parent, arguments)\n      }\n    })\n    return this\n  }\n\n  /**\n   * @desc adds an *array* of properties, using FactoryChain.prop\n   * @since 2.0.0\n   *\n   * @memberOf FactoryChain\n   * @param  {Array<string>} names property names\n   * @return {FactoryChain} @chainable\n   *\n   * @see FactoryChain.prop\n   *\n   * @example\n   *\n   *    person.props(['name', 'age', 'email'])\n   *\n   *    typeof person.name\n   *    //=> 'function'\n   *\n   *    person.name().age()\n   *    //=> FactoryChain\n   *\n   *    person.name().age().email()\n   *    //=> ParentChain\n   *\n   *    // person.name().age().person()\n   *    //=> FactoryChain\n   *    //^ because .person is `chainUpDowns`\n   *    //^ so it finishes the old chain, and begins a new one\n   *\n   */\n  props(names) {\n    names.forEach(name => this.prop(name))\n    return this\n  }\n\n  /* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */\n  /**\n   * @desc add property that are counted towards the call count for easy auto-ending chaining\n   * @since 2.0.0\n   *\n   * @param  {Primitive} name property name\n   * @param  {Function | null | undefined} [onCall=undefined] callback for the property\n   * @return {FactoryChain} @chainable\n   *\n   * @memberOf FactoryChain\n   *\n   * @example\n   *\n   *    person\n   *      //.prop also accepts an optional callback,\n   *      //for nestable nestable chains\n   *      .prop('name')\n   *      .prop('age')\n   *      .prop('email')\n   *\n   */\n  prop(name, onCall) {\n    this.tap('len', len => len + 1)\n\n    // so if we call a property twice,\n    // chain back up to parent,\n    // add a new chain\n    if (!isUndefined(this[name]) && isTrue(this.has(ON_CHAIN_UP_DOWN_KEY))) {\n      this.end()\n      return this.get(ON_CHAIN_UP_DOWN_KEY)()[name](onCall)\n    }\n\n    // @TODO need to spread as needed\n    this[name] = args => {\n      // @@debugger\n      /* istanbul ignore next: devs */\n      if (ENV_DEBUG) {\n        console.log(\n          `called ${name} with:`,\n          args,\n          `calls length is now:`,\n          this._calls.size\n        )\n      }\n      if (isUndefined(onCall)) this.data[name] = args\n      else onCall(args)\n\n      this._calls.add(name)\n\n      // aka magicReturn\n      return this._calls.size === this.get('len') ? this.end() : this\n    }\n    return this\n  }\n\n  /**\n   * @desc access data being built when stepping through a factory\n   * @since 2.0.0\n   *\n   * @param  {Primitive} [prop=undefined] key of the data, or returns all data\n   * @return {any} this.data\n   *\n   * @memberOf FactoryChain\n   *\n   * @example\n   *\n   *    .data['prop'] = 'eh'\n   *    .getData('prop')\n   *    //=> 'eh'\n   *    .getData()\n   *    //=> {prop: 'eh'}\n   *\n   * @example\n   *\n   *    const person = new FactoryChain(this)\n   *    const age = person.props(['name', 'age']).age(10).getData('age')\n   *    expect(age).toBe(10)\n   *\n   */\n  getData(prop) {\n    /* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */\n    return isUndefined(prop) ? this.data : this.data[prop]\n  }\n\n  /* istanbul ignore next: sourcemaps trigger istanbul here incorrectly */\n  /**\n   * @desc creates/add the `.end` method, which checks how many methods have been called, and decides whether to return parent or not\n   *       @modifies this.end\n   *\n   * @since 2.0.0\n   *\n   * @param  {Object} [obj={}] optiona object to use for creating .end\n   * @return {FactoryChain} @chainable\n   *\n   * @memberOf FactoryChain\n   */\n  factory(obj) {\n    this.end = arg => {\n      // @@debugger\n      let ended\n\n      if (obj && !isUndefined(obj.end)) ended = obj.end\n      else if (this.has(ON_DONE_KEY)) ended = this.get(ON_DONE_KEY)\n\n      if (ended) ended = ended.call(this, this.data, this.parent, this, arg)\n\n      if (ended && ended !== this) return ended\n      else return this.parent\n    }\n\n    return this\n  }\n}\n\nmodule.exports = FactoryChain\n"],"names":["const","super","this","arguments","let"],"mappings":"AAAAA,GAAK,CAAC,SAAS,GAAG,OAAO,CAAC,kBAAkB,CAAC;AAC7CA,GAAK,CAAC,UAAU,GAAG,OAAO,CAAC,cAAc,CAAC;AAC1CA,GAAK,CAAC,WAAW,GAAG,OAAO,CAAC,qBAAqB,CAAC;AAClDA,GAAK,CAAC,MAAM,GAAG,OAAO,CAAC,gBAAgB,CAAC;;AAExCA,GAAK,CAAC,oBAAoB,GAAG,eAAe;AAC5CA,GAAK,CAAC,WAAW,GAAG,QAAQ;;;;;;;;;;;;;;;;AAgB5B,IAAM,YAAY,GAAmB;EAAC,AACpC,qBAAW,CAAC,MAAM,EAAE;IAClBC,UAAK,KAAA,CAAC,MAAA,MAAM,CAAC;;IAEb,IAAI,CAAC,IAAI,GAAG,EAAE;IACd,IAAI,CAAC,MAAM,GAAG,IAAI,GAAG,EAAE;;IAEvB,IAAI,CAAC,OAAO,EAAE;OACX,MAAM,CAAC,CAAC,UAAU,EAAE,UAAU,EAAE,oBAAoB,EAAE,WAAW,CAAC,CAAC;OACnE,GAAG,CAAC,KAAK,EAAE,CAAC,CAAC;GACjB;;;;oDAAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;EA+CD,uBAAA,YAAY,yBAAA,CAAC,OAAO,EAAE,CAAC;;;AAAA;IACrB,OAAO,CAAC,OAAO,CAAC,UAAA,CAAC,CAAA,CAAC,AAAG;MACnBC,MAAI,CAAC,CAAC,CAAC,GAAG,SAAA,GAAG,AAAG;;QAEdA,MAAI,CAAC,GAAG,EAAE;QACV,OAAOA,MAAI,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,KAAK,CAACA,MAAI,CAAC,MAAM,EAAEC,WAAS,CAAC;OACpD;KACF,CAAC;IACF,OAAO,IAAI;GACZ,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;EA+BD,uBAAA,KAAK,kBAAA,CAAC,KAAK,EAAE,CAAC;;AAAA;IACZ,KAAK,CAAC,OAAO,CAAC,UAAA,IAAI,CAAA,CAAC,AAAG,SAAAD,MAAI,CAAC,IAAI,CAAC,IAAI,CAAC,GAAA,CAAC;IACtC,OAAO,IAAI;GACZ,CAAA;;;;;;;;;;;;;;;;;;;;;;;EAuBD,uBAAA,IAAI,iBAAA,CAAC,IAAI,EAAE,MAAM,EAAE,CAAC;;AAAA;IAClB,IAAI,CAAC,GAAG,CAAC,KAAK,EAAE,UAAA,GAAG,CAAA,CAAC,AAAG,SAAA,GAAG,GAAG,CAAC,GAAA,CAAC;;;;;IAK/B,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,IAAI,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,oBAAoB,CAAC,CAAC,EAAE;MACtE,IAAI,CAAC,GAAG,EAAE;MACV,OAAO,IAAI,CAAC,GAAG,CAAC,oBAAoB,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,MAAM,CAAC;KACtD;;;IAGD,IAAI,CAAC,IAAI,CAAC,GAAG,UAAA,IAAI,CAAA,CAAC,AAAG;;;MAGnB,IAAI,SAAS,EAAE;QACb,OAAO,CAAC,GAAG;UACT,CAAA,SAAQ,GAAE,IAAI,WAAO,CAAC;UACtB,IAAI;UACJ,sBAAqB,AAAC;UACtBA,MAAI,CAAC,MAAM,CAAC,IAAI;SACjB;OACF;MACD,IAAI,WAAW,CAAC,MAAM,CAAC,EAAE,EAAAA,MAAI,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,IAAI,EAAA;WAC1C,EAAA,MAAM,CAAC,IAAI,CAAC,EAAA;;MAEjBA,MAAI,CAAC,MAAM,CAAC,GAAG,CAAC,IAAI,CAAC;;;MAGrB,OAAOA,MAAI,CAAC,MAAM,CAAC,IAAI,KAAKA,MAAI,CAAC,GAAG,CAAC,KAAK,CAAC,GAAGA,MAAI,CAAC,GAAG,EAAE,GAAGA,MAAI;KAChE;IACD,OAAO,IAAI;GACZ,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;;EA0BD,uBAAA,OAAO,oBAAA,CAAC,IAAI,EAAE;;IAEZ,OAAO,WAAW,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC;GACvD,CAAA;;;;;;;;;;;;;;EAcD,uBAAA,OAAO,oBAAA,CAAC,GAAG,EAAE,CAAC;;AAAA;IACZ,IAAI,CAAC,GAAG,GAAG,UAAA,GAAG,CAAA,CAAC,AAAG;;MAEhBE,GAAG,CAAC,KAAK;;MAET,IAAI,GAAG,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,EAAA,KAAK,GAAG,GAAG,CAAC,GAAG,EAAA;WAC5C,IAAIF,MAAI,CAAC,GAAG,CAAC,WAAW,CAAC,EAAE,EAAA,KAAK,GAAGA,MAAI,CAAC,GAAG,CAAC,WAAW,CAAC,EAAA;;MAE7D,IAAI,KAAK,EAAE,EAAA,KAAK,GAAG,KAAK,CAAC,IAAI,CAACA,MAAI,EAAEA,MAAI,CAAC,IAAI,EAAEA,MAAI,CAAC,MAAM,EAAEA,MAAI,EAAE,GAAG,CAAC,EAAA;;MAEtE,IAAI,KAAK,IAAI,KAAK,KAAKA,MAAI,EAAE,EAAA,OAAO,KAAK,EAAA;WACpC,EAAA,OAAOA,MAAI,CAAC,MAAM,EAAA;KACxB;;IAED,OAAO,IAAI;GACZ,CAAA,AACF;;;EAtN0B,UAsN1B,GAAA;;AAED,MAAM,CAAC,OAAO,GAAG,YAAY;"}