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'use strict'
const lineBuilder = require('./lineBuilder')
function wrap (fromTheme, value) {
return fromTheme.open + value + fromTheme.close
}
exports.wrap = wrap
function formatCtorAndStringTag (theme, object) {
if (!object.ctor) return wrap(theme.object.stringTag, object.stringTag)
let retval = wrap(theme.object.ctor, object.ctor)
if (object.stringTag && object.stringTag !== object.ctor && object.stringTag !== 'Object') {
retval += ' ' + wrap(theme.object.secondaryStringTag, object.stringTag)
}
return retval
}
exports.formatCtorAndStringTag = formatCtorAndStringTag
class ObjectFormatter {
constructor (object, theme, indent) {
this.object = object
this.theme = theme
this.indent = indent
this.increaseIndent = true
this.innerLines = lineBuilder.buffer()
this.pendingStats = null
}
append (formatted, origin) {
if (origin.isStats === true) {
this.pendingStats = formatted
} else {
if (this.pendingStats !== null) {
if (!this.innerLines.isEmpty) {
this.innerLines.append(this.pendingStats)
}
this.pendingStats = null
}
this.innerLines.append(formatted)
}
}
finalize () {
const variant = this.object.isList
? this.theme.list
: this.theme.object
const ctor = this.object.ctor
const stringTag = this.object.stringTag
const prefix = (ctor === 'Array' || ctor === 'Object') && ctor === stringTag
? ''
: formatCtorAndStringTag(this.theme, this.object) + ' '
if (this.innerLines.isEmpty) {
return lineBuilder.single(prefix + variant.openBracket + variant.closeBracket)
}
return lineBuilder.first(prefix + variant.openBracket)
.concat(this.innerLines.withFirstPrefixed(this.indent.increase()).stripFlags())
.append(lineBuilder.last(this.indent + variant.closeBracket))
}
maxDepth () {
const variant = this.object.isList
? this.theme.list
: this.theme.object
return lineBuilder.single(
formatCtorAndStringTag(this.theme, this.object) + ' ' + variant.openBracket +
' ' + this.theme.maxDepth + ' ' + variant.closeBracket)
}
shouldFormat () {
return true
}
customize (methods) {
if (methods.finalize) {
this.finalize = () => methods.finalize(this.innerLines)
}
if (methods.maxDepth) {
this.maxDepth = methods.maxDepth
}
if (methods.shouldFormat) {
this.shouldFormat = methods.shouldFormat
}
return this
}
}
exports.ObjectFormatter = ObjectFormatter
class SingleValueFormatter {
constructor (theme, finalizeFn, increaseIndent) {
this.theme = theme
this.finalizeFn = finalizeFn
this.hasValue = false
this.increaseIndent = increaseIndent === true
this.value = null
}
append (formatted) {
if (this.hasValue) throw new Error('Formatter buffer can only take one formatted value.')
this.hasValue = true
this.value = formatted
}
finalize () {
if (!this.hasValue) throw new Error('Formatter buffer never received a formatted value.')
return this.finalizeFn(this.value)
}
maxDepth () {
return this.finalizeFn(lineBuilder.single(this.theme.maxDepth))
}
}
exports.SingleValueFormatter = SingleValueFormatter
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