| 1 | const utils = require('./utils')
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| 2 | const { PAD, verifyData, maxKeyLen, EOL } = utils
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| 3 |
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| 4 | module.exports = (data, opts) => {
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| 5 | verifyData(data)
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| 6 |
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| 7 | const newOpts = Object.assign({
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| 8 | barWidth: 1,
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| 9 | style: '*',
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| 10 | left: 1,
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| 11 | width: 10,
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| 12 | padding: 1
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| 13 | }, opts)
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| 14 |
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| 15 | const {
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| 16 | barWidth, left, width,
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| 17 | padding, style
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| 18 | } = newOpts
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| 19 |
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| 20 | let result = PAD.repeat(left)
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| 21 |
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| 22 | const values = data.map(item => item.value)
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| 23 | const max = Math.max.apply(null, values)
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| 24 | const maxKeyLength = maxKeyLen(data)
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| 25 |
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| 26 | let tmp, padChar, ratioLength, key, line
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| 27 | const valLength = values.length
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| 28 | for (let i = 0; i < valLength; i++) {
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| 29 | tmp = data[i]
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| 30 | ratioLength = Math.round(width * (tmp.value / max))
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| 31 | padChar = tmp.style ? tmp.style : style
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| 32 | key = tmp.key
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| 33 | line = padChar.repeat(ratioLength) + EOL + PAD.repeat(left)
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| 34 | result += key.padStart(maxKeyLength) + PAD
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| 35 |
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| 36 | for (let j = 0; j < (tmp.barWidth || barWidth); j++) {
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| 37 | if (j > 0) {
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| 38 | result += PAD.repeat(maxKeyLength + 1) + line
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| 39 | } else {
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| 40 | result += line
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | if (i !== valLength - 1) {
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| 45 | result += EOL.repeat(padding) + PAD.repeat(left)
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | return result
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| 50 | }
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