replace jest with ava

node_modules/concordance/lib/complexValues/object.js

@@ -0,0 +1,254 @@
+'use strict'
+
+const constants = require('../constants')
+const getObjectKeys = require('../getObjectKeys')
+const ObjectFormatter = require('../formatUtils').ObjectFormatter
+const hasLength = require('../hasLength')
+const recursorUtils = require('../recursorUtils')
+const stats = require('../metaDescriptors/stats')
+
+const DEEP_EQUAL = constants.DEEP_EQUAL
+const SHALLOW_EQUAL = constants.SHALLOW_EQUAL
+const UNEQUAL = constants.UNEQUAL
+
+function describe (props) {
+  const isArray = props.stringTag === 'Array'
+  const object = props.value
+  return new DescribedObjectValue(Object.assign({
+    isArray,
+    isIterable: object[Symbol.iterator] !== undefined,
+    isList: isArray || hasLength(object)
+  }, props))
+}
+exports.describe = describe
+
+function deserialize (state, recursor) {
+  return new DeserializedObjectValue(state, recursor)
+}
+exports.deserialize = deserialize
+
+const tag = Symbol('ObjectValue')
+exports.tag = tag
+
+class ObjectValue {
+  constructor (props) {
+    this.ctor = props.ctor
+    this.pointer = props.pointer
+    this.stringTag = props.stringTag
+
+    this.isArray = props.isArray === true
+    this.isIterable = props.isIterable === true
+    this.isList = props.isList === true
+  }
+
+  compare (expected) {
+    if (this.tag !== expected.tag) return UNEQUAL
+    if (this.stringTag !== expected.stringTag || !this.hasSameCtor(expected)) return UNEQUAL
+    return SHALLOW_EQUAL
+  }
+
+  hasSameCtor (expected) {
+    return this.ctor === expected.ctor
+  }
+
+  formatShallow (theme, indent) {
+    return new ObjectFormatter(this, theme, indent)
+  }
+
+  serialize () {
+    return [
+      this.ctor, this.pointer, this.stringTag,
+      this.isArray, this.isIterable, this.isList
+    ]
+  }
+}
+Object.defineProperty(ObjectValue.prototype, 'isComplex', { value: true })
+Object.defineProperty(ObjectValue.prototype, 'tag', { value: tag })
+exports.ObjectValue = ObjectValue
+
+const DescribedObjectValue = DescribedMixin(ObjectValue)
+const DeserializedObjectValue = DeserializedMixin(ObjectValue)
+
+function DescribedMixin (base) {
+  return class extends base {
+    constructor (props) {
+      super(props)
+
+      this.value = props.value
+      this.describeAny = props.describeAny
+      this.describeItem = props.describeItem
+      this.describeMapEntry = props.describeMapEntry
+      this.describeProperty = props.describeProperty
+
+      this.iterableState = null
+      this.listState = null
+      this.propertyState = null
+    }
+
+    compare (expected) {
+      return this.value === expected.value
+        ? DEEP_EQUAL
+        : super.compare(expected)
+    }
+
+    createPropertyRecursor () {
+      const objectKeys = getObjectKeys(this.value, this.isList ? this.value.length : 0)
+      const size = objectKeys.size
+      if (size === 0) return recursorUtils.NOOP_RECURSOR
+
+      let index = 0
+      const next = () => {
+        if (index === size) return null
+
+        const key = objectKeys.keys[index++]
+        return this.describeProperty(key, this.describeAny(this.value[key]))
+      }
+
+      return { size, next }
+    }
+
+    createListRecursor () {
+      if (!this.isList) return recursorUtils.NOOP_RECURSOR
+
+      const size = this.value.length
+      if (size === 0) return recursorUtils.NOOP_RECURSOR
+
+      let index = 0
+      const next = () => {
+        if (index === size) return null
+
+        const current = index
+        index++
+        return this.describeItem(current, this.describeAny(this.value[current]))
+      }
+
+      return { size, next }
+    }
+
+    createIterableRecursor () {
+      if (this.isArray || !this.isIterable) return recursorUtils.NOOP_RECURSOR
+
+      const iterator = this.value[Symbol.iterator]()
+      let first = iterator.next()
+
+      let done = false
+      let size = -1
+      if (first.done) {
+        if (first.value === undefined) {
+          size = 0
+          done = true
+        } else {
+          size = 1
+        }
+      }
+
+      let index = 0
+      const next = () => {
+        if (done) return null
+
+        while (!done) {
+          const current = first || iterator.next()
+          if (current === first) {
+            first = null
+          }
+          if (current.done) {
+            done = true
+          }
+
+          const item = current.value
+          if (done && item === undefined) return null
+
+          if (this.isList && this.value[index] === item) {
+            index++
+          } else {
+            return this.describeItem(index++, this.describeAny(item))
+          }
+        }
+      }
+
+      return { size, next }
+    }
+
+    createRecursor () {
+      let recursedProperty = false
+      let recursedList = false
+      let recursedIterable = false
+
+      let recursor = null
+      return () => {
+        let retval = null
+        do {
+          if (recursor !== null) {
+            retval = recursor.next()
+            if (retval === null) {
+              recursor = null
+            }
+          }
+
+          while (recursor === null && (!recursedList || !recursedProperty || !recursedIterable)) {
+            // Prioritize recursing lists
+            if (!recursedList) {
+              const replay = recursorUtils.replay(this.listState, () => this.createListRecursor())
+              this.listState = replay.state
+              recursor = replay.recursor
+              recursedList = true
+              if (recursor !== recursorUtils.NOOP_RECURSOR) {
+                retval = stats.describeListRecursor(recursor)
+              }
+            } else if (!recursedProperty) {
+              const replay = recursorUtils.replay(this.propertyState, () => this.createPropertyRecursor())
+              this.propertyState = replay.state
+              recursor = replay.recursor
+              recursedProperty = true
+              if (recursor !== recursorUtils.NOOP_RECURSOR) {
+                retval = stats.describePropertyRecursor(recursor)
+              }
+            } else if (!recursedIterable) {
+              const replay = recursorUtils.replay(this.iterableState, () => this.createIterableRecursor())
+              this.iterableState = replay.state
+              recursor = replay.recursor
+              recursedIterable = true
+              if (recursor !== recursorUtils.NOOP_RECURSOR) {
+                retval = stats.describeIterableRecursor(recursor)
+              }
+            }
+          }
+        } while (recursor !== null && retval === null)
+
+        return retval
+      }
+    }
+  }
+}
+exports.DescribedMixin = DescribedMixin
+
+function DeserializedMixin (base) {
+  return class extends base {
+    constructor (state, recursor) {
+      super({
+        ctor: state[0],
+        pointer: state[1],
+        stringTag: state[2],
+        isArray: state[3],
+        isIterable: state[4],
+        isList: state[5]
+      })
+
+      this.deserializedRecursor = recursor
+      this.replayState = null
+    }
+
+    createRecursor () {
+      if (!this.deserializedRecursor) return () => null
+
+      const replay = recursorUtils.replay(this.replayState, () => ({ size: -1, next: this.deserializedRecursor }))
+      this.replayState = replay.state
+      return replay.recursor.next
+    }
+
+    hasSameCtor (expected) {
+      return this.ctor === expected.ctor
+    }
+  }
+}
+exports.DeserializedMixin = DeserializedMixin