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nedb
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browserify

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pull/11/head
Timothée Rebours 3 years ago
parent b8998ce1d7
commit 0e60987a20
4 changed files with 289 additions and 40 deletions
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  1. 120
      browser-version/lib/storage.browser.js
  2. 205
      package-lock.json
  3. 1
      package.json
  4. 3
      webpack.config.js

120
browser-version/lib/storage.browser.js
Unescape View File

@ -7,6 +7,7 @@
* This version is the browser version
*/
const localforage = require('localforage')
const { callbackify } = require('util')
// Configure localforage to display NeDB name for now. Would be a good idea to let user use his own app name
const store = localforage.createInstance({
@ -14,73 +15,118 @@ const store = localforage.createInstance({
storeName: 'nedbdata'
})
const exists = (filename, cback) => {
// eslint-disable-next-line node/handle-callback-err
store.getItem(filename, (err, value) => {
if (value !== null) return cback(true) // Even if value is undefined, localforage returns null
else return cback(false)
})
const existsAsync = async filename => {
try {
const value = await store.getItem(filename)
if (value !== null) return true // Even if value is undefined, localforage returns null
return false
} catch (error) {
return false
}
}
const rename = (filename, newFilename, callback) => {
// eslint-disable-next-line node/handle-callback-err
store.getItem(filename, (err, value) => {
if (value === null) store.removeItem(newFilename, () => callback())
const exists = callbackify(existsAsync)
const renameAsync = async (filename, newFilename) => {
try {
const value = await store.getItem(filename)
if (value === null) await store.removeItem(newFilename)
else {
store.setItem(newFilename, value, () => {
store.removeItem(filename, () => callback())
})
await store.setItem(newFilename, value)
await store.removeItem(filename)
}
} catch (err) {
console.warn('An error happened while renaming, skip')
}
})
}
const writeFile = (filename, contents, options, callback) => {
const rename = callbackify(renameAsync)
const writeFileAsync = async (filename, contents, options) => {
// Options do not matter in browser setup
if (typeof options === 'function') { callback = options }
store.setItem(filename, contents, () => callback())
try {
await store.setItem(filename, contents)
} catch (error) {
console.warn('An error happened while writing, skip')
}
}
const appendFile = (filename, toAppend, options, callback) => {
// Options do not matter in browser setup
if (typeof options === 'function') { callback = options }
const writeFile = callbackify(writeFileAsync)
// eslint-disable-next-line node/handle-callback-err
store.getItem(filename, (err, contents) => {
contents = contents || ''
contents += toAppend
store.setItem(filename, contents, () => callback())
})
const appendFileAsync = async (filename, toAppend, options) => {
// Options do not matter in browser setup
try {
const contents = (await store.getItem(filename)) || ''
await store.setItem(filename, contents + toAppend)
} catch (error) {
console.warn('An error happened appending to file writing, skip')
}
}
const readFile = (filename, options, callback) => {
// Options do not matter in browser setup
if (typeof options === 'function') { callback = options }
// eslint-disable-next-line node/handle-callback-err
store.getItem(filename, (err, contents) => callback(null, contents || ''))
const appendFile = callbackify(appendFileAsync)
const readFileAsync = async (filename, options) => {
try {
return (await store.getItem(filename)) || ''
} catch (error) {
console.warn('An error happened while reading, skip')
return ''
}
}
const unlink = (filename, callback) => {
store.removeItem(filename, () => callback())
const readFile = callbackify(readFileAsync)
const unlinkAsync = async filename => {
try {
await store.removeItem(filename)
} catch (error) {
console.warn('An error happened while unlinking, skip')
}
}
const unlink = callbackify(unlinkAsync)
// Nothing to do, no directories will be used on the browser
const mkdir = (dir, options, callback) => callback()
const mkdirAsync = (dir, options) => Promise.resolve()
const mkdir = callbackify(mkdirAsync)
// Nothing to do, no data corruption possible in the browser
const ensureDatafileIntegrity = (filename, callback) => callback(null)
const ensureDatafileIntegrityAsync = (filename) => Promise.resolve()
const crashSafeWriteFileLines = (filename, lines, callback) => {
const ensureDatafileIntegrity = callbackify(ensureDatafileIntegrityAsync)
const crashSafeWriteFileLinesAsync = async (filename, lines) => {
lines.push('') // Add final new line
writeFile(filename, lines.join('\n'), callback)
await writeFileAsync(filename, lines.join('\n'))
}
const crashSafeWriteFileLines = callbackify(crashSafeWriteFileLinesAsync)
// Interface
module.exports.exists = exists
module.exports.existsAsync = existsAsync
module.exports.rename = rename
module.exports.renameAsync = renameAsync
module.exports.writeFile = writeFile
module.exports.writeFileAsync = writeFileAsync
module.exports.crashSafeWriteFileLines = crashSafeWriteFileLines
module.exports.crashSafeWriteFileLinesAsync = crashSafeWriteFileLinesAsync
module.exports.appendFile = appendFile
module.exports.appendFileAsync = appendFileAsync
module.exports.readFile = readFile
module.exports.readFileAsync = readFileAsync
module.exports.unlink = unlink
module.exports.unlinkAsync = unlinkAsync
module.exports.mkdir = mkdir
module.exports.mkdirAsync = mkdirAsync
module.exports.ensureDatafileIntegrity = ensureDatafileIntegrity
module.exports.ensureDatafileIntegrityAsync = ensureDatafileIntegrityAsync

205
package-lock.json generated
Unescape View File

@ -40,6 +40,7 @@
"ts-jest": "^27.0.7",
"ts-node": "^10.3.0",
"typescript": "^4.4.4",
"util": "^0.12.4",
"webpack": "^5.37.0",
"webpack-cli": "^4.7.0",
"xvfb-maybe": "^0.2.1"
@ -4421,7 +4422,8 @@
"node_modules/async": {
"version": "0.2.10",
"resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
"integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
"integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
"dev": true
},
"node_modules/async-limiter": {
"version": "1.0.1",
@ -4449,6 +4451,18 @@
"node": ">= 4.5.0"
}
},
"node_modules/available-typed-arrays": {
"version": "1.0.5",
"resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz",
"integrity": "sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==",
"dev": true,
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/babel-core": {
"version": "7.0.0-bridge.0",
"resolved": "https://registry.npmjs.org/babel-core/-/babel-core-7.0.0-bridge.0.tgz",
@ -7499,6 +7513,12 @@
"node": ">=0.10.0"
}
},
"node_modules/foreach": {
"version": "2.0.5",
"resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
"integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k=",
"dev": true
},
"node_modules/form-data": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.1.tgz",
@ -7776,6 +7796,21 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/has-tostringtag": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.0.tgz",
"integrity": "sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==",
"dev": true,
"dependencies": {
"has-symbols": "^1.0.2"
},
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/has-value": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
@ -8199,6 +8234,22 @@
"node": ">=0.10.0"
}
},
"node_modules/is-arguments": {
"version": "1.1.1",
"resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.1.1.tgz",
"integrity": "sha512-8Q7EARjzEnKpt/PCD7e1cgUS0a6X8u5tdSiMqXhojOdoV9TsMsiO+9VLC5vAmO8N7/GmXn7yjR8qnA6bVAEzfA==",
"dev": true,
"dependencies": {
"call-bind": "^1.0.2",
"has-tostringtag": "^1.0.0"
},
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/is-arrayish": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@ -8381,6 +8432,21 @@
"node": ">=6"
}
},
"node_modules/is-generator-function": {
"version": "1.0.10",
"resolved": "https://registry.npmjs.org/is-generator-function/-/is-generator-function-1.0.10.tgz",
"integrity": "sha512-jsEjy9l3yiXEQ+PsXdmBwEPcOxaXWLspKdplFUVI9vq1iZgIekeC0L167qeu86czQaxed3q/Uzuw0swL0irL8A==",
"dev": true,
"dependencies": {
"has-tostringtag": "^1.0.0"
},
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/is-glob": {
"version": "4.0.1",
"resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
@ -8505,6 +8571,25 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/is-typed-array": {
"version": "1.1.8",
"resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.8.tgz",
"integrity": "sha512-HqH41TNZq2fgtGT8WHVFVJhBVGuY3AnP3Q36K8JKXUxSxRgk/d+7NjmwG2vo2mYmXK8UYZKu0qH8bVP5gEisjA==",
"dev": true,
"dependencies": {
"available-typed-arrays": "^1.0.5",
"call-bind": "^1.0.2",
"es-abstract": "^1.18.5",
"foreach": "^2.0.5",
"has-tostringtag": "^1.0.0"
},
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/is-typedarray": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@ -15795,6 +15880,20 @@
"react": "^16.8.0 || ^17.0.0"
}
},
"node_modules/util": {
"version": "0.12.4",
"resolved": "https://registry.npmjs.org/util/-/util-0.12.4.tgz",
"integrity": "sha512-bxZ9qtSlGUWSOy9Qa9Xgk11kSslpuZwaxCg4sNIDj6FLucDab2JxnHwyNTCpHMtK1MjoQiWQ6DiUMZYbSrO+Sw==",
"dev": true,
"dependencies": {
"inherits": "^2.0.3",
"is-arguments": "^1.0.4",
"is-generator-function": "^1.0.7",
"is-typed-array": "^1.1.3",
"safe-buffer": "^5.1.2",
"which-typed-array": "^1.1.2"
}
},
"node_modules/util-deprecate": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@ -16162,6 +16261,26 @@
"dev": true,
"peer": true
},
"node_modules/which-typed-array": {
"version": "1.1.7",
"resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.7.tgz",
"integrity": "sha512-vjxaB4nfDqwKI0ws7wZpxIlde1XrLX5uB0ZjpfshgmapJMD7jJWhZI+yToJTqaFByF0eNBcYxbjmCzoRP7CfEw==",
"dev": true,
"dependencies": {
"available-typed-arrays": "^1.0.5",
"call-bind": "^1.0.2",
"es-abstract": "^1.18.5",
"foreach": "^2.0.5",
"has-tostringtag": "^1.0.0",
"is-typed-array": "^1.1.7"
},
"engines": {
"node": ">= 0.4"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/wide-align": {
"version": "1.1.3",
"resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
@ -19956,7 +20075,8 @@
"async": {
"version": "0.2.10",
"resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
"integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
"integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
"dev": true
},
"async-limiter": {
"version": "1.0.1",
@ -19978,6 +20098,12 @@
"dev": true,
"peer": true
},
"available-typed-arrays": {
"version": "1.0.5",
"resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz",
"integrity": "sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==",
"dev": true
},
"babel-core": {
"version": "7.0.0-bridge.0",
"resolved": "https://registry.npmjs.org/babel-core/-/babel-core-7.0.0-bridge.0.tgz",
@ -22395,6 +22521,12 @@
"dev": true,
"peer": true
},
"foreach": {
"version": "2.0.5",
"resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
"integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k=",
"dev": true
},
"form-data": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.1.tgz",
@ -22590,6 +22722,15 @@
"integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==",
"dev": true
},
"has-tostringtag": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.0.tgz",
"integrity": "sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==",
"dev": true,
"requires": {
"has-symbols": "^1.0.2"
}
},
"has-value": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
@ -22927,6 +23068,16 @@
"kind-of": "^6.0.0"
}
},
"is-arguments": {
"version": "1.1.1",
"resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.1.1.tgz",
"integrity": "sha512-8Q7EARjzEnKpt/PCD7e1cgUS0a6X8u5tdSiMqXhojOdoV9TsMsiO+9VLC5vAmO8N7/GmXn7yjR8qnA6bVAEzfA==",
"dev": true,
"requires": {
"call-bind": "^1.0.2",
"has-tostringtag": "^1.0.0"
}
},
"is-arrayish": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@ -23060,6 +23211,15 @@
"integrity": "sha512-cTIB4yPYL/Grw0EaSzASzg6bBy9gqCofvWN8okThAYIxKJZC+udlRAmGbM0XLeniEJSs8uEgHPGuHSe1XsOLSQ==",
"dev": true
},
"is-generator-function": {
"version": "1.0.10",
"resolved": "https://registry.npmjs.org/is-generator-function/-/is-generator-function-1.0.10.tgz",
"integrity": "sha512-jsEjy9l3yiXEQ+PsXdmBwEPcOxaXWLspKdplFUVI9vq1iZgIekeC0L167qeu86czQaxed3q/Uzuw0swL0irL8A==",
"dev": true,
"requires": {
"has-tostringtag": "^1.0.0"
}
},
"is-glob": {
"version": "4.0.1",
"resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
@ -23139,6 +23299,19 @@
"has-symbols": "^1.0.2"
}
},
"is-typed-array": {
"version": "1.1.8",
"resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.8.tgz",
"integrity": "sha512-HqH41TNZq2fgtGT8WHVFVJhBVGuY3AnP3Q36K8JKXUxSxRgk/d+7NjmwG2vo2mYmXK8UYZKu0qH8bVP5gEisjA==",
"dev": true,
"requires": {
"available-typed-arrays": "^1.0.5",
"call-bind": "^1.0.2",
"es-abstract": "^1.18.5",
"foreach": "^2.0.5",
"has-tostringtag": "^1.0.0"
}
},
"is-typedarray": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@ -29009,6 +29182,20 @@
"object-assign": "^4.1.1"
}
},
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"resolved": "https://registry.npmjs.org/util/-/util-0.12.4.tgz",
"integrity": "sha512-bxZ9qtSlGUWSOy9Qa9Xgk11kSslpuZwaxCg4sNIDj6FLucDab2JxnHwyNTCpHMtK1MjoQiWQ6DiUMZYbSrO+Sw==",
"dev": true,
"requires": {
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"is-arguments": "^1.0.4",
"is-generator-function": "^1.0.7",
"is-typed-array": "^1.1.3",
"safe-buffer": "^5.1.2",
"which-typed-array": "^1.1.2"
}
},
"util-deprecate": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@ -29289,6 +29476,20 @@
"dev": true,
"peer": true
},
"which-typed-array": {
"version": "1.1.7",
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"integrity": "sha512-vjxaB4nfDqwKI0ws7wZpxIlde1XrLX5uB0ZjpfshgmapJMD7jJWhZI+yToJTqaFByF0eNBcYxbjmCzoRP7CfEw==",
"dev": true,
"requires": {
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"call-bind": "^1.0.2",
"es-abstract": "^1.18.5",
"foreach": "^2.0.5",
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"is-typed-array": "^1.1.7"
}
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"wide-align": {
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"resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",

1
package.json
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@ -72,6 +72,7 @@
"ts-jest": "^27.0.7",
"ts-node": "^10.3.0",
"typescript": "^4.4.4",
"util": "^0.12.4",
"webpack": "^5.37.0",
"webpack-cli": "^4.7.0",
"xvfb-maybe": "^0.2.1"

3
webpack.config.js
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@ -32,7 +32,8 @@ module.exports = (env, argv) => {
process: 'process/browser',
Buffer: ['buffer', 'Buffer'],
setImmediate: ['timers-browserify', 'setImmediate'],
clearImmediate: ['timers-browserify', 'clearImmediate']
clearImmediate: ['timers-browserify', 'clearImmediate'],
util: 'util'
})
],
entry: {

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