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deps,lib,src: add experimental web storage
This commit introduces an experimental implementation of the Web Storage API using SQLite as the backing data store.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| { | ||
| 'variables': { | ||
| 'sqlite3_sources': [ | ||
| 'sqlite3.c', | ||
| ], | ||
| }, | ||
| 'targets': [ | ||
| { | ||
| 'target_name': 'sqlite3', | ||
| 'type': 'static_library', | ||
| 'include_dirs': ['.'], | ||
| 'sources': [ | ||
| '<@(sqlite3_sources)', | ||
| ], | ||
| 'direct_dependent_settings': { | ||
| 'include_dirs': ['.'], | ||
| }, | ||
| }, | ||
| ], | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| 'use strict'; | ||
| const { | ||
| MathAbs, | ||
| ObjectDefineProperty, | ||
| StringPrototypeCharCodeAt, | ||
| } = primordials; | ||
| const { emitExperimentalWarning } = require('internal/util'); | ||
| const { kConstructorKey, Storage } = internalBinding('webstorage'); | ||
| const { basename, join } = require('path'); | ||
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| emitExperimentalWarning('Web storage'); | ||
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| module.exports = { Storage }; | ||
|
|
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| let lazyLocalStorage; | ||
| let lazySessionStorage; | ||
|
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| ObjectDefineProperty(module.exports, 'localStorage', { | ||
| __proto__: null, | ||
| configurable: true, | ||
| enumerable: true, | ||
| get() { | ||
| if (lazyLocalStorage === undefined) { | ||
| const entry = process.argv[1] ?? process.argv[0]; | ||
| const base = basename(entry); | ||
| const hash = hashCode(entry); | ||
| const location = join(process.cwd(), `${base}.${hash}.localstorage`); | ||
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| lazyLocalStorage = new Storage(kConstructorKey, location); | ||
| } | ||
|
|
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| return lazyLocalStorage; | ||
| }, | ||
| }); | ||
|
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| ObjectDefineProperty(module.exports, 'sessionStorage', { | ||
| __proto__: null, | ||
| configurable: true, | ||
| enumerable: true, | ||
| get() { | ||
| if (lazySessionStorage === undefined) { | ||
| lazySessionStorage = new Storage(kConstructorKey, ':memory:'); | ||
| } | ||
|
|
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| return lazySessionStorage; | ||
| }, | ||
| }); | ||
|
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| function hashCode(s) { | ||
| let h = 0; | ||
|
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| for (let i = 0; i < s.length; ++i) { | ||
| h = (h << 5) - h + StringPrototypeCharCodeAt(s, i) | 0; | ||
| } | ||
|
|
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| return MathAbs(h); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -81,6 +81,7 @@ | |
| V(wasi) \ | ||
| V(wasm_web_api) \ | ||
| V(watchdog) \ | ||
| V(webstorage) \ | ||
| V(worker) \ | ||
| V(zlib) | ||
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