82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
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'use strict'
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const Table = require('table-layout')
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const ansi = require('ansi-escape-sequences')
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const t = require('typical')
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class Content {
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constructor (content) {
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this._content = content
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}
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lines () {
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const content = this._content
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const defaultPadding = { left: ' ', right: ' ' }
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if (content) {
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/* string content */
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if (t.isString(content)) {
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const table = new Table({ column: ansi.format(content) }, {
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padding: defaultPadding,
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maxWidth: 80
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})
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return table.renderLines()
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/* array of strings */
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} else if (Array.isArray(content) && content.every(t.isString)) {
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const rows = content.map(string => ({ column: ansi.format(string) }))
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const table = new Table(rows, {
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padding: defaultPadding,
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maxWidth: 80
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})
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return table.renderLines()
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/* array of objects (use table-layout) */
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} else if (Array.isArray(content) && content.every(t.isPlainObject)) {
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const table = new Table(content.map(row => ansiFormatRow(row)), {
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padding: defaultPadding
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})
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return table.renderLines()
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/* { options: object, data: object[] } */
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} else if (t.isPlainObject(content)) {
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if (!content.options || !content.data) {
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throw new Error('must have an "options" or "data" property\n' + JSON.stringify(content))
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}
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const options = Object.assign(
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{ padding: defaultPadding },
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content.options
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)
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/* convert nowrap to noWrap to avoid breaking compatibility */
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if (options.columns) {
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options.columns = options.columns.map(column => {
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if (column.nowrap) {
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column.noWrap = column.nowrap
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delete column.nowrap
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}
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return column
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})
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}
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const table = new Table(
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content.data.map(row => ansiFormatRow(row)),
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options
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)
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return table.renderLines()
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} else {
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const message = `invalid input - 'content' must be a string, array of strings, or array of plain objects:\n\n${JSON.stringify(content)}`
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throw new Error(message)
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}
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}
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}
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}
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function ansiFormatRow (row) {
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for (const key in row) {
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row[key] = ansi.format(row[key])
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}
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return row
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}
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module.exports = Content
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