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codeql-action/node_modules/concordance/lib/complexValues/set.js
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'use strict' | |
const constants = require('../constants') | |
const recursorUtils = require('../recursorUtils') | |
const object = require('./object') | |
const SHALLOW_EQUAL = constants.SHALLOW_EQUAL | |
const UNEQUAL = constants.UNEQUAL | |
function describe (props) { | |
return new DescribedSetValue(Object.assign({ | |
size: props.value.size, | |
}, props)) | |
} | |
exports.describe = describe | |
function deserialize (state, recursor) { | |
return new DeserializedSetValue(state, recursor) | |
} | |
exports.deserialize = deserialize | |
const tag = Symbol('SetValue') | |
exports.tag = tag | |
class SetValue extends object.ObjectValue { | |
constructor (props) { | |
super(props) | |
this.size = props.size | |
} | |
compare (expected) { | |
const result = super.compare(expected) | |
if (result !== SHALLOW_EQUAL) return result | |
return this.size === expected.size | |
? SHALLOW_EQUAL | |
: UNEQUAL | |
} | |
prepareDiff (expected) { | |
// Sets should be compared, even if they have a different number of items. | |
return { compareResult: super.compare(expected) } | |
} | |
serialize () { | |
return [this.size, super.serialize()] | |
} | |
} | |
Object.defineProperty(SetValue.prototype, 'tag', { value: tag }) | |
class DescribedSetValue extends object.DescribedMixin(SetValue) { | |
createIterableRecursor () { | |
const size = this.size | |
if (size === 0) return recursorUtils.NOOP_RECURSOR | |
let index = 0 | |
let members | |
const next = () => { | |
if (index === size) return null | |
if (!members) { | |
members = Array.from(this.value) | |
} | |
const value = members[index] | |
return this.describeItem(index++, this.describeAny(value)) | |
} | |
return { size, next } | |
} | |
} | |
class DeserializedSetValue extends object.DeserializedMixin(SetValue) { | |
constructor (state, recursor) { | |
super(state[1], recursor) | |
this.size = state[0] | |
} | |
} |