18 lines
454 B
JavaScript
18 lines
454 B
JavaScript
import { _ } from 'meteor/underscore';
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import { Template } from 'meteor/templating';
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/**
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* Global Blaze UI helpers to work with numeric operations
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*/
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// Sum all the given numbers
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Template.registerHelper('sum', (...values) => {
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let result = 0;
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_.each(_.initial(values, 1), value => (result += (value | 0)));
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return result;
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});
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Template.registerHelper('isValidNumber', value => {
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return typeof value === 'number' && !isNaN(value);
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});
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