1 | import { samplesFind } from '@analys/samples-find';
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2 | import { samplesFormula } from '@analys/samples-formula';
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3 | import { samplesGroup } from '@analys/samples-group';
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4 | import { samplesPivot } from '@analys/samples-pivot';
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5 | import { samplesSelect } from '@analys/samples-select';
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6 |
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7 | class Samples {
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8 | constructor(samples, title, types) {
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9 | this.title = title;
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10 | this.data = samples;
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11 | if (types) this.types = types;
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12 | }
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13 |
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14 | get length() {
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15 | return this.data.length;
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16 | }
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17 |
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18 | static from(samples) {
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19 | return new Samples(samples);
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20 | }
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21 |
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22 | select(fields, {
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23 | mutate = true
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24 | } = {}) {
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25 | const data = samplesSelect(this.data, fields);
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26 | return mutate ? this.boot({
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27 | data,
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28 | types: []
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29 | }) : this.copy({
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30 | data,
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31 | types: []
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32 | });
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33 | }
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34 |
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35 | find(filter, {
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36 | mutate = true
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37 | } = {}) {
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38 | const data = samplesFind.call(this.data, filter);
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39 | return mutate ? this.boot({
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40 | data
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41 | }) : this.copy({
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42 | data
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43 | });
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44 | }
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45 |
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46 | formula(formulae, configs = {}) {
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47 | return Samples.from(samplesFormula.call(this.data, formulae, configs));
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48 | }
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49 |
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50 | group(configs) {
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51 | return Samples.from(samplesGroup.call(this.data, configs));
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52 | }
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53 |
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54 | crosTab(tablespec) {
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55 | return samplesPivot.call(this.data, tablespec);
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56 | }
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57 |
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58 |
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59 |
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60 | boot({
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61 | data,
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62 | types
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63 | } = {}, mutate) {
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64 | if (mutate) {
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65 | if (data) this.data = data;
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66 | if (types) this.types = types;
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67 | return this;
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68 | } else {
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69 | return this.copy({
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70 | data,
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71 | types
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72 | });
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73 | }
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74 | }
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75 |
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76 |
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77 |
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78 | copy({
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79 | data,
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80 | types
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81 | } = {}) {
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82 | var _this$types;
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83 |
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84 | if (!data) data = this.data.map(sample => Object.assign({}, sample));
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85 | if (!types) types = (_this$types = this.types) === null || _this$types === void 0 ? void 0 : _this$types.slice();
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86 | return new Samples(data, this.title, types);
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87 | }
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88 |
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89 | }
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90 |
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91 | export { Samples };
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