File size: 6,183 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
import type { SearchParams } from '../../server/request/search-params'

import { ReflectAdapter } from '../../server/web/spec-extension/adapters/reflect'
import {
  describeStringPropertyAccess,
  describeHasCheckingStringProperty,
  wellKnownProperties,
} from '../../shared/lib/utils/reflect-utils'

interface CacheLifetime {}
const CachedSearchParams = new WeakMap<CacheLifetime, Promise<SearchParams>>()

function makeUntrackedExoticSearchParamsWithDevWarnings(
  underlyingSearchParams: SearchParams
): Promise<SearchParams> {
  const cachedSearchParams = CachedSearchParams.get(underlyingSearchParams)
  if (cachedSearchParams) {
    return cachedSearchParams
  }

  const proxiedProperties = new Set<string>()
  const unproxiedProperties: Array<string> = []

  const promise = Promise.resolve(underlyingSearchParams)

  Object.keys(underlyingSearchParams).forEach((prop) => {
    if (wellKnownProperties.has(prop)) {
      // These properties cannot be shadowed because they need to be the
      // true underlying value for Promises to work correctly at runtime
      unproxiedProperties.push(prop)
    } else {
      proxiedProperties.add(prop)
      ;(promise as any)[prop] = underlyingSearchParams[prop]
    }
  })

  const proxiedPromise = new Proxy(promise, {
    get(target, prop, receiver) {
      if (typeof prop === 'string') {
        if (
          !wellKnownProperties.has(prop) &&
          (proxiedProperties.has(prop) ||
            // We are accessing a property that doesn't exist on the promise nor
            // the underlying searchParams.
            Reflect.has(target, prop) === false)
        ) {
          const expression = describeStringPropertyAccess('searchParams', prop)
          warnForSyncAccess(expression)
        }
      }
      return ReflectAdapter.get(target, prop, receiver)
    },
    set(target, prop, value, receiver) {
      if (typeof prop === 'string') {
        proxiedProperties.delete(prop)
      }
      return Reflect.set(target, prop, value, receiver)
    },
    has(target, prop) {
      if (typeof prop === 'string') {
        if (
          !wellKnownProperties.has(prop) &&
          (proxiedProperties.has(prop) ||
            // We are accessing a property that doesn't exist on the promise nor
            // the underlying searchParams.
            Reflect.has(target, prop) === false)
        ) {
          const expression = describeHasCheckingStringProperty(
            'searchParams',
            prop
          )
          warnForSyncAccess(expression)
        }
      }
      return Reflect.has(target, prop)
    },
    ownKeys(target) {
      warnForSyncSpread()
      return Reflect.ownKeys(target)
    },
  })

  CachedSearchParams.set(underlyingSearchParams, proxiedPromise)
  return proxiedPromise
}

// Similar to `makeUntrackedExoticSearchParamsWithDevWarnings`, but just logging
// the sync access without actually defining the search params on the promise.
function makeUntrackedSearchParamsWithDevWarnings(
  underlyingSearchParams: SearchParams
): Promise<SearchParams> {
  const cachedSearchParams = CachedSearchParams.get(underlyingSearchParams)
  if (cachedSearchParams) {
    return cachedSearchParams
  }

  const proxiedProperties = new Set<string>()
  const unproxiedProperties: Array<string> = []
  const promise = Promise.resolve(underlyingSearchParams)

  Object.keys(underlyingSearchParams).forEach((prop) => {
    if (wellKnownProperties.has(prop)) {
      // These properties cannot be shadowed because they need to be the
      // true underlying value for Promises to work correctly at runtime
      unproxiedProperties.push(prop)
    } else {
      proxiedProperties.add(prop)
    }
  })

  const proxiedPromise = new Proxy(promise, {
    get(target, prop, receiver) {
      if (typeof prop === 'string') {
        if (
          !wellKnownProperties.has(prop) &&
          (proxiedProperties.has(prop) ||
            // We are accessing a property that doesn't exist on the promise nor
            // the underlying searchParams.
            Reflect.has(target, prop) === false)
        ) {
          const expression = describeStringPropertyAccess('searchParams', prop)
          warnForSyncAccess(expression)
        }
      }
      return ReflectAdapter.get(target, prop, receiver)
    },
    set(target, prop, value, receiver) {
      if (typeof prop === 'string') {
        proxiedProperties.delete(prop)
      }
      return Reflect.set(target, prop, value, receiver)
    },
    has(target, prop) {
      if (typeof prop === 'string') {
        if (
          !wellKnownProperties.has(prop) &&
          (proxiedProperties.has(prop) ||
            // We are accessing a property that doesn't exist on the promise nor
            // the underlying searchParams.
            Reflect.has(target, prop) === false)
        ) {
          const expression = describeHasCheckingStringProperty(
            'searchParams',
            prop
          )
          warnForSyncAccess(expression)
        }
      }
      return Reflect.has(target, prop)
    },
    ownKeys(target) {
      warnForSyncSpread()
      return Reflect.ownKeys(target)
    },
  })

  CachedSearchParams.set(underlyingSearchParams, proxiedPromise)
  return proxiedPromise
}

function warnForSyncAccess(expression: string) {
  console.error(
    `A searchParam property was accessed directly with ${expression}. ` +
      `\`searchParams\` should be unwrapped with \`React.use()\` before accessing its properties. ` +
      `Learn more: https://nextjs.org/docs/messages/sync-dynamic-apis`
  )
}

function warnForSyncSpread() {
  console.error(
    `The keys of \`searchParams\` were accessed directly. ` +
      `\`searchParams\` should be unwrapped with \`React.use()\` before accessing its properties. ` +
      `Learn more: https://nextjs.org/docs/messages/sync-dynamic-apis`
  )
}

export function createRenderSearchParamsFromClient(
  underlyingSearchParams: SearchParams
): Promise<SearchParams> {
  if (process.env.__NEXT_CACHE_COMPONENTS) {
    return makeUntrackedSearchParamsWithDevWarnings(underlyingSearchParams)
  }

  return makeUntrackedExoticSearchParamsWithDevWarnings(underlyingSearchParams)
}