52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = buildMutations;
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var _fp = _interopRequireDefault(require("lodash/fp"));
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var _updeep = _interopRequireDefault(require("updeep"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const composeMutations = mutations => mutations.reduce((m1, m2) => (payload = null, action = {}) => state => m2(payload, action)(m1(payload, action)(state)));
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function buildMutations(mutations = {}, subduxes = {}) {
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// we have to differentiate the subduxes with '*' than those
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// without, as the root '*' is not the same as any sub-'*'
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const actions = _fp.default.uniq(Object.keys(mutations).concat(...Object.values(subduxes).map(({
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mutations = {}
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}) => Object.keys(mutations))));
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let mergedMutations = {};
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let [globby, nonGlobby] = _fp.default.partition(([_, {
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mutations = {}
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}]) => mutations['*'], Object.entries(subduxes));
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globby = _fp.default.flow([_fp.default.fromPairs, _fp.default.mapValues(({
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reducer
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}) => (_, action = {}) => state => reducer(state, action))])(globby);
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const globbyMutation = (payload, action) => (0, _updeep.default)(_fp.default.mapValues(mut => mut(payload, action))(globby));
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actions.forEach(action => {
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mergedMutations[action] = [globbyMutation];
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});
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nonGlobby.forEach(([slice, {
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mutations = {},
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reducer = {}
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}]) => {
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Object.entries(mutations).forEach(([type, mutation]) => {
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const localized = (payload = null, action = {}) => _updeep.default.updateIn(slice)(mutation(payload, action));
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mergedMutations[type].push(localized);
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});
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});
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Object.entries(mutations).forEach(([type, mutation]) => {
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mergedMutations[type].push(mutation);
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});
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return _fp.default.mapValues(composeMutations)(mergedMutations);
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}
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