| 1 | import { MERGE, ACCUM, INCRE, COUNT } from '@analys/enum-pivot-mode';
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| 2 | import { Accumulators } from '@analys/util-pivot';
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| 3 |
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| 4 | const {
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| 5 | merge: merge$1,
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| 6 | accum: accum$1
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| 7 | } = Accumulators;
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| 8 | const findEntry = function (key) {
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| 9 | return this.find(([k]) => key === k);
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| 10 | };
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| 11 | const EntriesRecorder = mode => {
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| 12 | if (mode === MERGE) return function (x, v) {
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| 13 | const en = findEntry.call(this, x);
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| 14 |
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| 15 | if (en) {
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| 16 | merge$1(en[1], v);
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| 17 | } else {
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| 18 | this.push([x, v.slice()]);
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| 19 | }
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| 20 | };
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| 21 | if (mode === ACCUM) return function (x, v) {
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| 22 | const en = findEntry.call(this, x);
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| 23 |
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| 24 | if (en) {
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| 25 | accum$1(en[1], v);
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| 26 | } else {
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| 27 | this.push([x, [v]]);
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| 28 | }
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| 29 | };
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| 30 | if (mode === INCRE) return function (x, v) {
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| 31 | const en = findEntry.call(this, x);
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| 32 |
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| 33 | if (en) {
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| 34 | en[1] += v;
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| 35 | } else {
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| 36 | this.push([x, v]);
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| 37 | }
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| 38 | };
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| 39 | if (mode === COUNT) return function (x) {
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| 40 | const en = findEntry.call(this, x);
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| 41 |
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| 42 | if (en) {
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| 43 | en[1]++;
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| 44 | } else {
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| 45 | this.push([x, 1]);
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| 46 | }
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| 47 | };
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| 48 | return () => {};
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| 49 | };
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| 50 |
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| 51 | const {
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| 52 | merge,
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| 53 | accum
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| 54 | } = Accumulators;
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| 55 | const ObjectRecorder = mode => {
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| 56 | if (mode === MERGE) return function (x, v) {
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| 57 | if (x in this) {
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| 58 | merge(this[x], v);
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| 59 | } else {
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| 60 | this[x] = v.slice();
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| 61 | }
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| 62 | };
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| 63 | if (mode === ACCUM) return function (x, v) {
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| 64 | if (x in this) {
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| 65 | accum(this[x], v);
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| 66 | } else {
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| 67 | this[x] = [v];
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| 68 | }
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| 69 | };
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| 70 | if (mode === INCRE) return function (x, v) {
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| 71 | if (x in this) {
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| 72 | this[x] += v;
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| 73 | } else {
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| 74 | this[x] = v;
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| 75 | }
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| 76 | };
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| 77 | if (mode === COUNT) return function (x) {
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| 78 | if (x in this) {
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| 79 | this[x]++;
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| 80 | } else {
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| 81 | this[x] = 1;
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| 82 | }
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| 83 | };
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| 84 | return () => {};
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| 85 | };
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| 86 |
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| 87 | function tableChips({
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| 88 | key,
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| 89 | field,
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| 90 | mode = ACCUM,
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| 91 | objectify = true
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| 92 | } = {}) {
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| 93 | const {
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| 94 | head,
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| 95 | rows
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| 96 | } = this,
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| 97 | l = rows.length;
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| 98 | const ki = head.indexOf(key),
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| 99 | vi = head.indexOf(field);
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| 100 | let chips, row;
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| 101 | const note = objectify ? ObjectRecorder(mode).bind(chips = {}) : EntriesRecorder(mode).bind(chips = []);
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| 102 |
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| 103 | for (let i = 0; i < l && (row = rows[i]); i++) note(row[ki], row[vi]);
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| 104 |
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| 105 | return chips;
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| 106 | }
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| 107 |
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| 108 | export { tableChips };
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