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'use strict'
const constants = require('../constants')
const formatUtils = require('../formatUtils')
const lineBuilder = require('../lineBuilder')
const object = require('./object')
const UNEQUAL = constants.UNEQUAL
function describe (props) {
const regexp = props.value
return new DescribedRegexpValue(Object.assign({
flags: getSortedFlags(regexp),
source: regexp.source,
}, props))
}
exports.describe = describe
function deserialize (state, recursor) {
return new DeserializedRegexpValue(state, recursor)
}
exports.deserialize = deserialize
const tag = Symbol('RegexpValue')
exports.tag = tag
function getSortedFlags (regexp) {
const flags = regexp.flags || String(regexp).slice(regexp.source.length + 2)
return flags.split('').sort().join('')
}
class RegexpValue extends object.ObjectValue {
constructor (props) {
super(props)
this.flags = props.flags
this.source = props.source
}
compare (expected) {
return this.tag === expected.tag && this.flags === expected.flags && this.source === expected.source
? super.compare(expected)
: UNEQUAL
}
formatShallow (theme, indent) {
const ctor = this.ctor || this.stringTag
const regexp = formatUtils.wrap(theme.regexp.source, this.source) + formatUtils.wrap(theme.regexp.flags, this.flags)
return super.formatShallow(theme, indent).customize({
finalize: innerLines => {
if (ctor === 'RegExp' && innerLines.isEmpty) return lineBuilder.single(regexp)
const innerIndentation = indent.increase()
const header = lineBuilder.first(formatUtils.formatCtorAndStringTag(theme, this) + ' ' + theme.object.openBracket)
.concat(lineBuilder.line(innerIndentation + regexp))
if (!innerLines.isEmpty) {
header.append(lineBuilder.line(innerIndentation + theme.regexp.separator))
header.append(innerLines.withFirstPrefixed(innerIndentation).stripFlags())
}
return header.append(lineBuilder.last(indent + theme.object.closeBracket))
},
maxDepth: () => {
return lineBuilder.single(
formatUtils.formatCtorAndStringTag(theme, this) + ' ' +
theme.object.openBracket + ' ' +
regexp + ' ' +
theme.maxDepth + ' ' +
theme.object.closeBracket)
},
})
}
serialize () {
return [this.flags, this.source, super.serialize()]
}
}
Object.defineProperty(RegexpValue.prototype, 'tag', { value: tag })
const DescribedRegexpValue = object.DescribedMixin(RegexpValue)
class DeserializedRegexpValue extends object.DeserializedMixin(RegexpValue) {
constructor (state, recursor) {
super(state[2], recursor)
this.flags = state[0]
this.source = state[1]
}
}