60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
import Mixin from '@ember/object/mixin';
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import { set } from '@ember/object';
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import { computed as catchable } from 'consul-ui/computed/catchable';
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import purify from 'consul-ui/utils/computed/purify';
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import WithListeners from 'consul-ui/mixins/with-listeners';
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const PREFIX = '_';
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export default Mixin.create(WithListeners, {
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setProperties: function(model) {
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const _model = {};
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Object.keys(model).forEach(prop => {
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// here (see comment below on deleting)
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if (model[prop] && typeof model[prop].addEventListener === 'function') {
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let meta;
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// TODO: metaForProperty throws an error if the property is not
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// computed-like, this is far from ideal but happy with this
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// until we can find a better way in an ember post 2.18 world
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// of finding out if a property is computed or not
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// (or until we switch all this out for <DataSource /> compoments
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try {
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meta = this.constructor.metaForProperty(prop);
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} catch (e) {
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meta = {};
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}
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if (typeof meta.catch === 'function') {
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_model[`${PREFIX}${prop}`] = model[prop];
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this.listen(_model[`_${prop}`], 'error', meta.catch.bind(this));
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} else {
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_model[prop] = model[prop];
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}
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} else {
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_model[prop] = model[prop];
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}
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});
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return this._super(_model);
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},
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reset: function(exiting) {
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if (exiting) {
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Object.keys(this).forEach(prop => {
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if (this[prop] && typeof this[prop].close === 'function') {
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this[prop].close();
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// ember doesn't delete on 'resetController' by default
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// right now we only call reset when we are exiting, therefore a full
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// setProperties will be called the next time we enter the Route so this
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// is ok for what we need and means that the above conditional works
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// as expected (see 'here' comment above)
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// delete this[prop];
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// TODO: Check that nulling this out instead of deleting is fine
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// pretty sure it is as above is just a falsey check
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set(this, prop, null);
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}
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});
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}
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return this._super(...arguments);
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},
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});
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export const listen = purify(catchable, function(props) {
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return props.map(item => `${PREFIX}${item}`);
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});
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