Created
November 19, 2022 23:12
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convert csv to list, bafore change DSA to tree via d3.stratify( )
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| // -------------------------------------------------------- | |
| // Step 1 | |
| // -------------------------------------------------------- | |
| var data = [{ | |
| country: "Iran", city: "Tehran", district: 22, size: 1200 | |
| },{ | |
| country: "Iran", city: "Tehran", district: 6, size: 1200 | |
| },{ | |
| country: "Iran", city: "Tehran", district: 5, size: 1200 | |
| },{ | |
| country: "Iran", city: "Kerman", district: 21, size: 130 | |
| },{ | |
| country: "Georgia", city: "Talbisi", district: 20, size: 100 | |
| }]; | |
| var main_columns = ["country", "city", "district"]; | |
| // var tooltip_columns = [] | |
| var generations = main_columns; | |
| var genlen = generations.length; | |
| if (genlen < 1) { | |
| console.log("impossible"); | |
| } | |
| var data1 = [{id: "null"}] | |
| var ids = {} | |
| generations.forEach(gen => ids[gen] = []) | |
| // -------------------------------------------------------- | |
| // Step 2 | |
| // -------------------------------------------------------- | |
| function repeat(data, cb) { | |
| var depth = genlen-1 | |
| var one = data[0] | |
| // | |
| function isIncluded(gen, id) { | |
| if (ids[gen].includes(id)) { | |
| return true | |
| } else { | |
| ids[gen].push(id) | |
| return false | |
| } | |
| } | |
| // | |
| var data2 = generations.reduce((cur, gen, i) => { | |
| var options = {}; | |
| switch (i) { | |
| case 0: | |
| var id = one[gen] | |
| var parentId = "null" | |
| if(depth == i) options = one | |
| break; | |
| case 1: | |
| var id = one[generations[i-1]] + one[gen] | |
| var parentId = one[generations[i-1]] | |
| if(depth == i) options = one | |
| break; | |
| case depth: | |
| var id = one[generations[i-1]] + one[gen] | |
| var parentId = one[generations[i-2]] + one[generations[i-1]] | |
| options = one | |
| break; | |
| default: | |
| var id = one[generations[i-1]] + one[gen] | |
| var parentId = one[generations[i-2]] + one[generations[i-1]] | |
| break; | |
| } | |
| // | |
| if(!isIncluded(gen, id)) cur.push({id, parentId, ...options}) | |
| return cur; | |
| }, []); | |
| // | |
| data1 = [...data1, ...data2] | |
| // | |
| if (data[1]) { | |
| data.shift(); | |
| repeat(data, cb) | |
| } else { | |
| cb(data1, ids) | |
| } | |
| } | |
| // -------------------------------------------------------- | |
| // Step 3 | |
| // -------------------------------------------------------- | |
| repeat(data, (result, c) => { | |
| console.log(result, c); | |
| }) |
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