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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | 68x 68x 13x 12x 12x 12x 19x 12x 11x 11x 1x 1x 4x 41x 4x 84x 84x 15x 122x 27x 27x 206x 206x 84x 84x 84x 15x 84x 84x 9x 84x 27x 84x 168x 168x 76x 76x 84x 84x 37x 37x 47x 9x 15x 38x 9x 13x | import { observable, intercept } from 'mobx';
import createCollection from './collection';
import { getSchema, setupModel, addLazyInitializer, attachInterceptors } from './setup-model';
function onPropertySet(
change,
{ modelClass, defaultAttributes, inverseOf, parentModel, parentModelProp },
) {
change.newValue = setupModel({
attrs: change.newValue,
modelClass,
defaultAttributes,
inverseOf,
parentModel,
parentModelProp,
});
return change;
}
function onHasManySet(change, options) {
if (change.type !== 'update' || !change.newValue) { return change; }
const {
modelClass, defaultAttributes, inverseOf, parentModel, parentModelProp,
} = options;
const array = observable.array([]);
for (let i = 0; i < change.newValue.length; i += 1) {
array.push(
setupModel({
attrs: change.newValue[i],
array: change.newValue,
modelClass,
defaultAttributes,
inverseOf,
parentModel,
parentModelProp,
}),
);
}
if (parentModel[parentModelProp]) {
parentModel[parentModelProp].replace(array);
return null;
}
change.newValue = observable.array(array);
return change;
}
const Initializers = {
object: () => observable.object({}),
array: createCollection,
};
const TypeInitializers = {
hasMany: createCollection,
};
function getInitializer(type, options, propName) {
const fn = TypeInitializers[type] || Initializers[options.type];
if (!fn) { return undefined; }
return function() { // eslint-disable-line func-names
return fn(options, this, propName);
};
}
function installModelInterceptor(interceptingFn, { target, property }) {
const { properties } = getSchema(target.constructor);
addLazyInitializer(target, (model) => {
const schemaProps = properties.get(property).options;
intercept(model, property, (change => interceptingFn(change, {
inverseOf: schemaProps.inverseOf,
modelClass: schemaProps.model,
parentModel: model,
parentModelProp: property,
defaultAttributes: schemaProps.defaults,
})));
});
}
function addAttribute(type, setAttributeFn, target, property, descriptor, options = {}) {
getSchema(target.constructor).properties.set(property, { name: property, type, options });
const initializer = getInitializer(type, options, property);
if (initializer) {
descriptor.initializer = initializer;
}
const definition = observable(target, property, descriptor);
if ('belongsTo' === type && !options.model) {
options.model = property;
}
if (options.model) {
installModelInterceptor(setAttributeFn, {
target, property, descriptor, model: options.model,
});
}
['get', 'set'].forEach((k) => {
const orig = definition[k];
definition[k] = function(...args) {
attachInterceptors(this);
return orig.call(this, ...args);
};
});
return definition;
}
function buildAttributeDecorator(type, args, setAttributeFn) {
if (('object' === typeof args[0]) && 1 === args.length) {
return (target, property, descriptor) =>
addAttribute(type, setAttributeFn, target, property, descriptor, args[0]);
}
return addAttribute(type, setAttributeFn, ...args, {});
}
const hasMany = (...args) => buildAttributeDecorator(
'hasMany', args, onHasManySet,
);
const belongsTo = (...args) => buildAttributeDecorator(
'belongsTo', args, onPropertySet,
);
const field = (...args) => buildAttributeDecorator(
'field', args, onPropertySet,
);
const session = (...args) => buildAttributeDecorator(
'session', args, onPropertySet,
);
const identifier = (...args) => buildAttributeDecorator(
'identifier', args, onPropertySet,
);
export { field, session, belongsTo, hasMany, identifier, createCollection };
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