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Form.js
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executable file
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import { action, computed, observable, asMap } from 'mobx';
import _ from 'lodash';
import Base from './Base';
import Validator from './Validator';
import State from './State';
import Field from './Field';
export default class Form extends Base {
name;
state;
validator;
$hooks = {};
$handlers = {};
@observable $submitting = false;
@observable $validating = false;
@observable fields = observable.map ? observable.map({}) : asMap({});
constructor(setup = {}, {
name = null,
options = {},
plugins = {},
bindings = {},
hooks = {},
handlers = {},
} = {}) {
super();
this.name = name;
this.$hooks = hooks;
this.$handlers = handlers;
// load data from initializers methods
const initial = _.each({
setup, options, plugins, bindings,
},
(val, key) => _.isFunction(this[key])
? _.merge(val, this[key].apply(this, [this]))
: val);
this.state = new State({
form: this,
initial: initial.setup,
options: initial.options,
bindings: initial.bindings,
});
this.validator = new Validator({
form: this,
plugins: initial.plugins,
});
this.initFields(initial.setup);
this.debouncedValidation = _.debounce(
this.validate,
this.state.options.get('validationDebounceWait'),
this.state.options.get('validationDebounceOptions'),
);
// execute validation on form initialization
if (this.state.options.get('validateOnInit') === true) {
this.validator.validate({
showErrors: this.state.options.get('showErrorsOnInit')
});
}
this.execHook('onInit');
}
/* ------------------------------------------------------------------ */
/* COMPUTED */
@computed get validatedValues() {
const data = {};
this.each($field => // eslint-disable-line
(data[$field.path] = $field.validatedValue));
return data;
}
@computed get clearing() {
return this.check('clearing', true);
}
@computed get resetting() {
return this.check('resetting', true);
}
@computed get error() {
return this.validator.error;
}
@computed get hasError() {
return !!this.validator.error
|| this.check('hasError', true);
}
@computed get isValid() {
return !this.validator.error
&& this.check('isValid', true);
}
@computed get isPristine() {
return this.check('isPristine', true);
}
@computed get isDirty() {
return this.check('isDirty', true);
}
@computed get isDefault() {
return this.check('isDefault', true);
}
@computed get isEmpty() {
return this.check('isEmpty', true);
}
@computed get focused() {
return this.check('focused', true);
}
@computed get touched() {
return this.check('touched', true);
}
@computed get changed() {
return this.check('changed', true);
}
@computed get disabled() {
return this.check('disabled', true);
}
}
/**
Prototypes
*/
export const prototypes = {
makeField(data) {
return new Field(data);
},
/**
Init Form Fields and Nested Fields
*/
@action
init($fields = null) {
_.set(this, 'fields', observable.map
? observable.map({})
: asMap({}));
this.state.initial.props.values = $fields; // eslint-disable-line
this.state.current.props.values = $fields; // eslint-disable-line
this.initFields({
fields: $fields || this.state.struct(),
});
},
@action
invalidate(message = null) {
this.validator.error = message
|| this.state.options.get('defaultGenericError')
|| true;
},
showErrors(show = true) {
this.each(field => field.showErrors(show));
},
/**
Clear Form Fields
*/
@action clear() {
this.$touched = false;
this.$changed = false;
this.each(field => field.clear(true));
},
/**
Reset Form Fields
*/
@action reset() {
this.$touched = false;
this.$changed = false;
this.each(field => field.reset(true));
},
};