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import forOwn from 'lodash/forOwn.js'
import isPlainObject from 'lodash/isPlainObject.js'
import isArray from 'lodash/isArray.js'
import isString from 'lodash/isString.js'
import isBoolean from 'lodash/isBoolean.js'
import isEqual from 'lodash/isEqual.js'
import dedent from 'dedent-js'
const compactArrays = (str: string) => {
let out = ''
let inString = false
let quoteChar = ''
for (let i = 0; i < str.length; i++) {
const c = str[i]
// enter/exit string literal
if (!inString && (c === '"' || c === "'")) {
inString = true
quoteChar = c
out += c
continue
}
if (inString && c === quoteChar && str[i - 1] !== '\\') {
inString = false
quoteChar = ''
out += c
continue
}
// handle [ outside strings
if (!inString && c === '[') {
out += '['
// skip any spaces immediately after
while (str[i + 1] === ' ') i++
continue
}
// handle ] outside strings
if (!inString && c === ']') {
// remove any spaces we just output
while (out.endsWith(' ')) {
out = out.slice(0, -1)
}
out += ']'
continue
}
// default: copy character
out += c
}
return out
}
const indent = (content: string, spaces: number = 8) =>
content
.split('\n')
.map((line, i) => {
if (i === 0) return line
return `${' '.repeat(spaces)}${line}`
})
.join('\n')
const toJson = (value: any) => {
const jsonString = JSON.stringify(value, null, 4)
const normalized = jsonString
.replace(/^(\s+)"([a-z]{1}[a-z]*)"\: /gim, (_match, space, key) => {
return `${space}${key}: `
})
.replace(/"/gm, `'`)
const compacted = compactArrays(normalized.replace(/\n/gm, ' ').replace(/\s{2,}/g, ' '))
if (compacted.length <= 100) return compacted
return indent(normalized)
}
export const generateChartCode = (
name: string,
props: any,
{
dataKey,
children = [],
defaults = {},
pkg = 'nivo',
}: {
dataKey?: string
children?: any[]
defaults?: any
pkg?: string
} = {}
) => {
const properties = []
let args = ''
if (dataKey !== undefined) {
properties.push(`${dataKey}={${dataKey}}`)
args = `{ ${dataKey} /* see ${dataKey} tab */ }`
}
forOwn(props, (_value, key) => {
if (_value === undefined) return
if (defaults && isEqual(defaults[key], _value)) return
// Ignore the theme property as it's customized for the website.
if (key === 'theme') return
let value: string | undefined
if (isPlainObject(_value)) {
value = `{${toJson(_value)}}`
} else if (isArray(_value)) {
value = `{${toJson(_value)}}`
} else if (isString(_value)) {
value = `"${_value}"`
} else if (isBoolean(_value)) {
value = `{${_value ? 'true' : 'false'}}`
} else if (typeof _value === 'function') {
value = `{${indent(dedent(_value.toString()), 8)}}`
} else if (_value === null) {
value = `{null}`
} else {
value = `{${_value}}`
}
if (!value) return
properties.push(`${key}=${value}`)
})
const imports = [`Responsive${name}`, ...children.map(([c]) => c)].map(
i => `import { ${i} } from '${pkg}'`
)
return `${imports.join('\n')}\n
const My${name} = (${args}) => (
<Responsive${name} /* or ${name} for fixed dimensions */
${properties.join('\n ')}
/>
)`
}
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