ember-legacy-class-transform
Version:
The default blueprint for ember-cli addons.
437 lines (371 loc) • 42.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.AccessorBlueprint = exports.DataBlueprint = exports.Mixin = exports.Blueprint = exports.Descriptor = exports.BLUEPRINT = exports.DESCRIPTOR = undefined;
exports.extend = extend;
exports.relinkSubclasses = relinkSubclasses;
exports.toMixin = toMixin;
exports.wrapMethod = wrapMethod;
var _objectReference = require("@glimmer/object-reference");
var _util = require("@glimmer/util");
var _object = require("./object");
var _utils = require("./utils");
function _defaults(obj, defaults) {
var keys = Object.getOwnPropertyNames(defaults);for (var i = 0; i < keys.length; i++) {
var key = keys[i];var value = Object.getOwnPropertyDescriptor(defaults, key);if (value && value.configurable && obj[key] === undefined) {
Object.defineProperty(obj, key, value);
}
}return obj;
}
function _possibleConstructorReturn(self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}return call && (typeof call === "object" || typeof call === "function") ? call : self;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } });if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass);
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
var isArray = Array.isArray;
var DESCRIPTOR = exports.DESCRIPTOR = "5d90f84f-908e-4a42-9749-3d0f523c262c";
var BLUEPRINT = exports.BLUEPRINT = "8d97cf5f-db9e-48d8-a6b2-7a75b7170805";
var Descriptor = exports.Descriptor = function Descriptor() {
_classCallCheck(this, Descriptor);
this["5d90f84f-908e-4a42-9749-3d0f523c262c"] = true;
};
var Blueprint = exports.Blueprint = function Blueprint() {
_classCallCheck(this, Blueprint);
this["8d97cf5f-db9e-48d8-a6b2-7a75b7170805"] = true;
};
var Mixin = exports.Mixin = function () {
function Mixin(extensions, mixins) {
var _dependencies;
_classCallCheck(this, Mixin);
this.extensions = null;
this.concatenatedProperties = [];
this.mergedProperties = [];
this.dependencies = [];
this.reopen(extensions);
(_dependencies = this.dependencies).push.apply(_dependencies, mixins);
}
Mixin.create = function create() {
for (var _len = arguments.length, args = Array(_len), _key2 = 0; _key2 < _len; _key2++) {
args[_key2] = arguments[_key2];
}
var extensions = args[args.length - 1];
if (args.length === 0) {
return new this({}, []);
} else if (extensions instanceof Mixin) {
return new this({}, args);
} else {
var deps = args.slice(0, -1).map(toMixin);
return new this(extensions, deps);
}
};
Mixin.mixins = function mixins(obj) {
if (typeof obj !== 'object' || obj === null) return [];
var meta = _object.ClassMeta.for(obj);
if (!meta) return [];
return meta.getAppliedMixins();
};
Mixin.prototype.detect = function detect(obj) {
if (typeof obj !== 'object' || obj === null) return false;
if (obj instanceof Mixin) {
return obj.dependencies.indexOf(this) !== -1;
}
var meta = _object.ClassMeta.for(obj);
return !!meta && meta.hasAppliedMixin(this);
};
Mixin.prototype.reopen = function reopen(extensions) {
if (this.extensions) {
this.dependencies.push(toMixin(this.extensions));
}
if (typeof extensions === 'object' && 'concatenatedProperties' in extensions) {
var concat = void 0;
var rawConcat = extensions.concatenatedProperties;
if (isArray(rawConcat)) {
concat = rawConcat.slice();
} else if (rawConcat === null || rawConcat === undefined) {
concat = [];
} else {
concat = [rawConcat];
}
delete extensions.concatenatedProperties;
this.concatenatedProperties = concat;
}
if (typeof extensions === 'object' && 'mergedProperties' in extensions) {
var merged = void 0;
var rawMerged = extensions.mergedProperties;
if (isArray(rawMerged)) {
merged = rawMerged.slice();
} else if (rawMerged === null || rawMerged === undefined) {
merged = [];
} else {
merged = [rawMerged];
}
delete extensions.mergedProperties;
this.mergedProperties = merged;
}
var normalized = Object.keys(extensions).reduce(function (obj, key) {
var value = extensions[key];
switch (typeof value) {
case 'function':
obj[key] = new MethodBlueprint({ value: value });
break;
case 'object':
if (value && BLUEPRINT in value) {
obj[key] = value;
break;
}
/* falls through */
default:
obj[key] = new DataBlueprint({ value: value });
}
return obj;
}, (0, _util.dict)());
this.extensions = (0, _util.dict)();
(0, _util.assign)(this.extensions, (0, _object.turbocharge)(normalized));
};
Mixin.prototype.apply = function apply(target) {
var meta = target[_objectReference.CLASS_META] = target[_objectReference.CLASS_META] || new _object.ClassMeta();
this.dependencies.forEach(function (m) {
return m.apply(target);
});
this.mergeProperties(target, target, meta);
meta.addMixin(this);
meta.seal();
meta.reseal(target);
return target;
};
Mixin.prototype.extendPrototype = function extendPrototype(Original) {
Original.prototype = Object.create(Original.prototype);
this.dependencies.forEach(function (m) {
return m.extendPrototype(Original);
});
this.extendPrototypeOnto(Original, Original);
};
Mixin.prototype.extendPrototypeOnto = function extendPrototypeOnto(Subclass, Parent) {
this.dependencies.forEach(function (m) {
return m.extendPrototypeOnto(Subclass, Parent);
});
this.mergeProperties(Subclass.prototype, Parent.prototype, Subclass[_objectReference.CLASS_META]);
Subclass[_objectReference.CLASS_META].addMixin(this);
};
Mixin.prototype.extendStatic = function extendStatic(Target) {
this.dependencies.forEach(function (m) {
return m.extendStatic(Target);
});
this.mergeProperties(Target, Object.getPrototypeOf(Target), Target[_objectReference.CLASS_META][_objectReference.CLASS_META]);
Target[_objectReference.CLASS_META].addStaticMixin(this);
};
Mixin.prototype.mergeProperties = function mergeProperties(target, parent, meta) {
var _this = this;
if (meta.hasAppliedMixin(this)) return;
meta.addAppliedMixin(this);
this.mergedProperties.forEach(function (k) {
return meta.addMergedProperty(k, parent[k]);
});
this.concatenatedProperties.forEach(function (k) {
return meta.addConcatenatedProperty(k, []);
});
new ValueDescriptor({ value: meta.getConcatenatedProperties() }).define(target, 'concatenatedProperties');
new ValueDescriptor({ value: meta.getMergedProperties() }).define(target, 'mergedProperties');
Object.keys(this.extensions).forEach(function (key) {
var extension = _this.extensions[key];
var desc = extension.descriptor(target, key, meta);
desc.define(target, key, parent);
});
new ValueDescriptor({ value: _utils.ROOT }).define(target, '_super');
};
return Mixin;
}();
function extend(Parent) {
var Super = Parent;
var Subclass = function (_Super) {
_inherits(Subclass, _Super);
function Subclass() {
_classCallCheck(this, Subclass);
return _possibleConstructorReturn(this, _Super.apply(this, arguments));
}
return Subclass;
}(Super);
Subclass[_objectReference.CLASS_META] = _object.InstanceMeta.fromParent(Parent[_objectReference.CLASS_META]);
for (var _len2 = arguments.length, extensions = Array(_len2 > 1 ? _len2 - 1 : 0), _key3 = 1; _key3 < _len2; _key3++) {
extensions[_key3 - 1] = arguments[_key3];
}
var mixins = extensions.map(toMixin);
Parent[_objectReference.CLASS_META].addSubclass(Subclass);
mixins.forEach(function (m) {
return Subclass[_objectReference.CLASS_META].addMixin(m);
});
_object.ClassMeta.applyAllMixins(Subclass, Parent);
return Subclass;
}
function relinkSubclasses(Parent) {
Parent[_objectReference.CLASS_META].getSubclasses().forEach(function (Subclass) {
Subclass[_objectReference.CLASS_META].reset(Parent[_objectReference.CLASS_META]);
Subclass.prototype = Object.create(Parent.prototype);
_object.ClassMeta.applyAllMixins(Subclass, Parent);
// recurse into sub-subclasses
relinkSubclasses(Subclass);
});
}
function toMixin(extension) {
if (extension instanceof Mixin) return extension;else return new Mixin(extension, []);
}
var ValueDescriptor = function (_Descriptor) {
_inherits(ValueDescriptor, _Descriptor);
function ValueDescriptor(_ref) {
var _ref$enumerable = _ref.enumerable,
enumerable = _ref$enumerable === undefined ? true : _ref$enumerable,
_ref$configurable = _ref.configurable,
configurable = _ref$configurable === undefined ? true : _ref$configurable,
_ref$writable = _ref.writable,
writable = _ref$writable === undefined ? true : _ref$writable,
value = _ref.value;
_classCallCheck(this, ValueDescriptor);
var _this3 = _possibleConstructorReturn(this, _Descriptor.call(this));
_this3.enumerable = enumerable;
_this3.configurable = configurable;
_this3.writable = writable;
_this3.value = value;
return _this3;
}
ValueDescriptor.prototype.define = function define(target, key, _home) {
Object.defineProperty(target, key, {
enumerable: this.enumerable,
configurable: this.configurable,
writable: this.writable,
value: this.value
});
};
return ValueDescriptor;
}(Descriptor);
var DataBlueprint = exports.DataBlueprint = function (_Blueprint) {
_inherits(DataBlueprint, _Blueprint);
function DataBlueprint(_ref2) {
var _ref2$enumerable = _ref2.enumerable,
enumerable = _ref2$enumerable === undefined ? true : _ref2$enumerable,
_ref2$configurable = _ref2.configurable,
configurable = _ref2$configurable === undefined ? true : _ref2$configurable,
_ref2$writable = _ref2.writable,
writable = _ref2$writable === undefined ? true : _ref2$writable,
value = _ref2.value;
_classCallCheck(this, DataBlueprint);
var _this4 = _possibleConstructorReturn(this, _Blueprint.call(this));
_this4.enumerable = enumerable;
_this4.configurable = configurable;
_this4.value = value;
_this4.writable = writable;
return _this4;
}
DataBlueprint.prototype.descriptor = function descriptor(_target, key, classMeta) {
var enumerable = this.enumerable,
configurable = this.configurable,
writable = this.writable,
value = this.value;
if (classMeta.hasConcatenatedProperty(key)) {
classMeta.addConcatenatedProperty(key, value);
value = classMeta.getConcatenatedProperty(key);
} else if (classMeta.hasMergedProperty(key)) {
classMeta.addMergedProperty(key, value);
value = classMeta.getMergedProperty(key);
}
return new ValueDescriptor({ enumerable: enumerable, configurable: configurable, writable: writable, value: value });
};
return DataBlueprint;
}(Blueprint);
var AccessorBlueprint = exports.AccessorBlueprint = function (_Blueprint2) {
_inherits(AccessorBlueprint, _Blueprint2);
function AccessorBlueprint(_ref3) {
var _ref3$enumerable = _ref3.enumerable,
enumerable = _ref3$enumerable === undefined ? true : _ref3$enumerable,
_ref3$configurable = _ref3.configurable,
configurable = _ref3$configurable === undefined ? true : _ref3$configurable,
get = _ref3.get,
set = _ref3.set;
_classCallCheck(this, AccessorBlueprint);
var _this5 = _possibleConstructorReturn(this, _Blueprint2.call(this));
_this5.enumerable = enumerable;
_this5.configurable = configurable;
_this5.get = get;
_this5.set = set;
return _this5;
}
AccessorBlueprint.prototype.descriptor = function descriptor(_target, _key, _classMeta) {
return new ValueDescriptor({
enumerable: this.enumerable,
configurable: this.configurable,
get: this.get,
set: this.set
});
};
return AccessorBlueprint;
}(Blueprint);
var MethodDescriptor = function (_ValueDescriptor) {
_inherits(MethodDescriptor, _ValueDescriptor);
function MethodDescriptor() {
_classCallCheck(this, MethodDescriptor);
return _possibleConstructorReturn(this, _ValueDescriptor.apply(this, arguments));
}
MethodDescriptor.prototype.define = function define(target, key, home) {
this.value = wrapMethod(home, key, this.value);
_ValueDescriptor.prototype.define.call(this, target, key, home);
};
return MethodDescriptor;
}(ValueDescriptor);
var MethodBlueprint = function (_DataBlueprint) {
_inherits(MethodBlueprint, _DataBlueprint);
function MethodBlueprint() {
_classCallCheck(this, MethodBlueprint);
return _possibleConstructorReturn(this, _DataBlueprint.apply(this, arguments));
}
MethodBlueprint.prototype.descriptor = function descriptor(target, key, classMeta) {
var desc = _DataBlueprint.prototype.descriptor.call(this, target, key, classMeta);
return new MethodDescriptor(desc);
};
return MethodBlueprint;
}(DataBlueprint);
function wrapMethod(home, methodName, original) {
if (!(methodName in home)) return maybeWrap(original);
var superMethod = home[methodName];
var func = function () {
for (var _len3 = arguments.length, args = Array(_len3), _key4 = 0; _key4 < _len3; _key4++) {
args[_key4] = arguments[_key4];
}
if (!this) return original.apply(this, args);
var lastSuper = this._super;
this._super = superMethod;
try {
return original.apply(this, args);
} finally {
this._super = lastSuper;
}
};
func.__wrapped = true;
return func;
}
function maybeWrap(original) {
if ('__wrapped' in original) return original;
return function () {
for (var _len4 = arguments.length, args = Array(_len4), _key5 = 0; _key5 < _len4; _key5++) {
args[_key5] = arguments[_key5];
}
if (!this) return original.apply(this, args);
var lastSuper = this._super;
this._super = _utils.ROOT;
try {
return original.apply(this, args);
} finally {
this._super = lastSuper;
}
};
}
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{ CLASS_META } from '@glimmer/object-reference';\nimport { dict, assign } from '@glimmer/util';\nimport { ClassMeta, InstanceMeta, turbocharge } from './object';\nimport { ROOT } from './utils';\nconst { isArray } = Array;\nexport const DESCRIPTOR = \"5d90f84f-908e-4a42-9749-3d0f523c262c\";\nexport const BLUEPRINT = \"8d97cf5f-db9e-48d8-a6b2-7a75b7170805\";\nexport class Descriptor {\n    constructor() {\n        this[\"5d90f84f-908e-4a42-9749-3d0f523c262c\"] = true;\n    }\n}\nexport class Blueprint {\n    constructor() {\n        this[\"8d97cf5f-db9e-48d8-a6b2-7a75b7170805\"] = true;\n    }\n}\nexport class Mixin {\n    constructor(extensions, mixins) {\n        this.extensions = null;\n        this.concatenatedProperties = [];\n        this.mergedProperties = [];\n        this.dependencies = [];\n        this.reopen(extensions);\n        this.dependencies.push(...mixins);\n    }\n    static create(...args) {\n        let extensions = args[args.length - 1];\n        if (args.length === 0) {\n            return new this({}, []);\n        } else if (extensions instanceof Mixin) {\n            return new this({}, args);\n        } else {\n            let deps = args.slice(0, -1).map(toMixin);\n            return new this(extensions, deps);\n        }\n    }\n    static mixins(obj) {\n        if (typeof obj !== 'object' || obj === null) return [];\n        let meta = ClassMeta.for(obj);\n        if (!meta) return [];\n        return meta.getAppliedMixins();\n    }\n    detect(obj) {\n        if (typeof obj !== 'object' || obj === null) return false;\n        if (obj instanceof Mixin) {\n            return obj.dependencies.indexOf(this) !== -1;\n        }\n        let meta = ClassMeta.for(obj);\n        return !!meta && meta.hasAppliedMixin(this);\n    }\n    reopen(extensions) {\n        if (this.extensions) {\n            this.dependencies.push(toMixin(this.extensions));\n        }\n        if (typeof extensions === 'object' && 'concatenatedProperties' in extensions) {\n            let concat;\n            let rawConcat = extensions.concatenatedProperties;\n            if (isArray(rawConcat)) {\n                concat = rawConcat.slice();\n            } else if (rawConcat === null || rawConcat === undefined) {\n                concat = [];\n            } else {\n                concat = [rawConcat];\n            }\n            delete extensions.concatenatedProperties;\n            this.concatenatedProperties = concat;\n        }\n        if (typeof extensions === 'object' && 'mergedProperties' in extensions) {\n            let merged;\n            let rawMerged = extensions.mergedProperties;\n            if (isArray(rawMerged)) {\n                merged = rawMerged.slice();\n            } else if (rawMerged === null || rawMerged === undefined) {\n                merged = [];\n            } else {\n                merged = [rawMerged];\n            }\n            delete extensions.mergedProperties;\n            this.mergedProperties = merged;\n        }\n        let normalized = Object.keys(extensions).reduce((obj, key) => {\n            let value = extensions[key];\n            switch (typeof value) {\n                case 'function':\n                    obj[key] = new MethodBlueprint({ value });\n                    break;\n                case 'object':\n                    if (value && BLUEPRINT in value) {\n                        obj[key] = value;\n                        break;\n                    }\n                /* falls through */\n                default:\n                    obj[key] = new DataBlueprint({ value });\n            }\n            return obj;\n        }, dict());\n        this.extensions = dict();\n        assign(this.extensions, turbocharge(normalized));\n    }\n    apply(target) {\n        let meta = target[CLASS_META] = target[CLASS_META] || new ClassMeta();\n        this.dependencies.forEach(m => m.apply(target));\n        this.mergeProperties(target, target, meta);\n        meta.addMixin(this);\n        meta.seal();\n        meta.reseal(target);\n        return target;\n    }\n    extendPrototype(Original) {\n        Original.prototype = Object.create(Original.prototype);\n        this.dependencies.forEach(m => m.extendPrototype(Original));\n        this.extendPrototypeOnto(Original, Original);\n    }\n    extendPrototypeOnto(Subclass, Parent) {\n        this.dependencies.forEach(m => m.extendPrototypeOnto(Subclass, Parent));\n        this.mergeProperties(Subclass.prototype, Parent.prototype, Subclass[CLASS_META]);\n        Subclass[CLASS_META].addMixin(this);\n    }\n    extendStatic(Target) {\n        this.dependencies.forEach(m => m.extendStatic(Target));\n        this.mergeProperties(Target, Object.getPrototypeOf(Target), Target[CLASS_META][CLASS_META]);\n        Target[CLASS_META].addStaticMixin(this);\n    }\n    mergeProperties(target, parent, meta) {\n        if (meta.hasAppliedMixin(this)) return;\n        meta.addAppliedMixin(this);\n        this.mergedProperties.forEach(k => meta.addMergedProperty(k, parent[k]));\n        this.concatenatedProperties.forEach(k => meta.addConcatenatedProperty(k, []));\n        new ValueDescriptor({ value: meta.getConcatenatedProperties() }).define(target, 'concatenatedProperties');\n        new ValueDescriptor({ value: meta.getMergedProperties() }).define(target, 'mergedProperties');\n        Object.keys(this.extensions).forEach(key => {\n            let extension = this.extensions[key];\n            let desc = extension.descriptor(target, key, meta);\n            desc.define(target, key, parent);\n        });\n        new ValueDescriptor({ value: ROOT }).define(target, '_super');\n    }\n}\nexport function extend(Parent, ...extensions) {\n    let Super = Parent;\n    let Subclass = class extends Super {};\n    Subclass[CLASS_META] = InstanceMeta.fromParent(Parent[CLASS_META]);\n    let mixins = extensions.map(toMixin);\n    Parent[CLASS_META].addSubclass(Subclass);\n    mixins.forEach(m => Subclass[CLASS_META].addMixin(m));\n    ClassMeta.applyAllMixins(Subclass, Parent);\n    return Subclass;\n}\nexport function relinkSubclasses(Parent) {\n    Parent[CLASS_META].getSubclasses().forEach(Subclass => {\n        Subclass[CLASS_META].reset(Parent[CLASS_META]);\n        Subclass.prototype = Object.create(Parent.prototype);\n        ClassMeta.applyAllMixins(Subclass, Parent);\n        // recurse into sub-subclasses\n        relinkSubclasses(Subclass);\n    });\n}\nexport function toMixin(extension) {\n    if (extension instanceof Mixin) return extension;else return new Mixin(extension, []);\n}\nclass ValueDescriptor extends Descriptor {\n    constructor({ enumerable = true, configurable = true, writable = true, value }) {\n        super();\n        this.enumerable = enumerable;\n        this.configurable = configurable;\n        this.writable = writable;\n        this.value = value;\n    }\n    define(target, key, _home) {\n        Object.defineProperty(target, key, {\n            enumerable: this.enumerable,\n            configurable: this.configurable,\n            writable: this.writable,\n            value: this.value\n        });\n    }\n}\nexport class DataBlueprint extends Blueprint {\n    constructor({ enumerable = true, configurable = true, writable = true, value }) {\n        super();\n        this.enumerable = enumerable;\n        this.configurable = configurable;\n        this.value = value;\n        this.writable = writable;\n    }\n    descriptor(_target, key, classMeta) {\n        let { enumerable, configurable, writable, value } = this;\n        if (classMeta.hasConcatenatedProperty(key)) {\n            classMeta.addConcatenatedProperty(key, value);\n            value = classMeta.getConcatenatedProperty(key);\n        } else if (classMeta.hasMergedProperty(key)) {\n            classMeta.addMergedProperty(key, value);\n            value = classMeta.getMergedProperty(key);\n        }\n        return new ValueDescriptor({ enumerable, configurable, writable, value });\n    }\n}\nexport class AccessorBlueprint extends Blueprint {\n    constructor({ enumerable = true, configurable = true, get, set }) {\n        super();\n        this.enumerable = enumerable;\n        this.configurable = configurable;\n        this.get = get;\n        this.set = set;\n    }\n    descriptor(_target, _key, _classMeta) {\n        return new ValueDescriptor({\n            enumerable: this.enumerable,\n            configurable: this.configurable,\n            get: this.get,\n            set: this.set\n        });\n    }\n}\nclass MethodDescriptor extends ValueDescriptor {\n    define(target, key, home) {\n        this.value = wrapMethod(home, key, this.value);\n        super.define(target, key, home);\n    }\n}\nclass MethodBlueprint extends DataBlueprint {\n    descriptor(target, key, classMeta) {\n        let desc = super.descriptor(target, key, classMeta);\n        return new MethodDescriptor(desc);\n    }\n}\nexport function wrapMethod(home, methodName, original) {\n    if (!(methodName in home)) return maybeWrap(original);\n    let superMethod = home[methodName];\n    let func = function (...args) {\n        if (!this) return original.apply(this, args);\n        let lastSuper = this._super;\n        this._super = superMethod;\n        try {\n            return original.apply(this, args);\n        } finally {\n            this._super = lastSuper;\n        }\n    };\n    func.__wrapped = true;\n    return func;\n}\nfunction maybeWrap(original) {\n    if ('__wrapped' in original) return original;\n    return function (...args) {\n        if (!this) return original.apply(this, args);\n        let lastSuper = this._super;\n        this._super = ROOT;\n        try {\n            return original.apply(this, args);\n        } finally {\n            this._super = lastSuper;\n        }\n    };\n}"]}