39 lines
949 B
JavaScript
39 lines
949 B
JavaScript
import flow from 'lodash/fp/flow.js';
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import sumBy from 'lodash/fp/sumBy.js';
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import pick from 'lodash/fp/pick.js';
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import filter from 'lodash/fp/filter.js';
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import flattenDeep from 'lodash/fp/flattenDeep.js';
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import has from 'lodash/fp/has.js';
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const expand_cost_mass = (obj={}) => ([
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pick(['cost','mass'],obj),
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...Object.values(obj || {}).filter( val => typeof val === 'object' ).map(
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val => expand_cost_mass(val)
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)
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]);
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export function calc_ship_req(ship) {
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console.log(ship);
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let { general, ...rest } = ship;
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//if(!general) general = {};
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const items = flow(
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expand_cost_mass,
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flattenDeep,
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filter(has('cost'))
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)({
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...rest,
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cost: general.mass, mass: 0
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})
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return {
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mass: sumBy('mass',items),
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cost: sumBy('cost',items),
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}
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}
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// to get around 3.00001 ceiling up to 4
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export const ceil = number => Math.ceil( Math.round(10*number)/10 );
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