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Merge pull request #544 from ParsePlatform/nlutsenko.flow

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Add ability to use Flow type checking.
This commit is contained in:
Nikita Lutsenko
2016-02-21 18:15:46 -08:00
parent bd548786ea b774c568e0
commit 0dda59ff73
4 changed files with 29 additions and 11 deletions
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10
.babelrc
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@@ -1,5 +1,9 @@
{ {
"presets": [ "plugins": [
"es2015" "transform-flow-strip-types"
] ],
"presets": [
"es2015",
"stage-0"
]
} }

9
.flowconfig Normal file
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@@ -0,0 +1,9 @@
[ignore]
.*/node_modules/
.*/lib/
[include]
[libs]
[options]

3
package.json
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@@ -29,11 +29,14 @@
"babel-cli": "^6.5.1", "babel-cli": "^6.5.1",
"babel-core": "^6.5.1", "babel-core": "^6.5.1",
"babel-istanbul": "^0.6.0", "babel-istanbul": "^0.6.0",
"babel-plugin-transform-flow-strip-types": "^6.5.0",
"babel-preset-es2015": "^6.5.0", "babel-preset-es2015": "^6.5.0",
"babel-preset-stage-0": "^6.5.0",
"babel-register": "^6.5.1", "babel-register": "^6.5.1",
"codecov": "^1.0.1", "codecov": "^1.0.1",
"cross-env": "^1.0.7", "cross-env": "^1.0.7",
"deep-diff": "^0.3.3", "deep-diff": "^0.3.3",
"flow-bin": "^0.22.0",
"gaze": "^0.5.2", "gaze": "^0.5.2",
"jasmine": "^2.3.2", "jasmine": "^2.3.2",
"mongodb-runner": "^3.1.15", "mongodb-runner": "^3.1.15",

18
src/cryptoUtils.js
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@@ -1,7 +1,9 @@
/* @flow */
import { randomBytes } from 'crypto'; import { randomBytes } from 'crypto';
// Returns a new random hex string of the given even size. // Returns a new random hex string of the given even size.
export function randomHexString(size) { export function randomHexString(size: number): string {
if (size === 0) { if (size === 0) {
throw new Error('Zero-length randomHexString is useless.'); throw new Error('Zero-length randomHexString is useless.');
} }
@@ -17,28 +19,28 @@ export function randomHexString(size) {
// because chars length of 62 doesn't divide the number of all bytes // because chars length of 62 doesn't divide the number of all bytes
// (256) evenly. Such bias is acceptable for most cases when the output // (256) evenly. Such bias is acceptable for most cases when the output
// length is long enough and doesn't need to be uniform. // length is long enough and doesn't need to be uniform.
export function randomString(size) { export function randomString(size: number): string {
if (size === 0) { if (size === 0) {
throw new Error('Zero-length randomString is useless.'); throw new Error('Zero-length randomString is useless.');
} }
var chars = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' + let chars = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' +
'abcdefghijklmnopqrstuvwxyz' + 'abcdefghijklmnopqrstuvwxyz' +
'0123456789'); '0123456789');
var objectId = ''; let objectId = '';
var bytes = randomBytes(size); let bytes = randomBytes(size);
for (var i = 0; i < bytes.length; ++i) { for (let i = 0; i < bytes.length; ++i) {
objectId += chars[bytes.readUInt8(i) % chars.length]; objectId += chars[bytes.readUInt8(i) % chars.length];
} }
return objectId; return objectId;
} }
// Returns a new random alphanumeric string suitable for object ID. // Returns a new random alphanumeric string suitable for object ID.
export function newObjectId() { export function newObjectId(): string {
//TODO: increase length to better protect against collisions. //TODO: increase length to better protect against collisions.
return randomString(10); return randomString(10);
} }
// Returns a new random hex string suitable for secure tokens. // Returns a new random hex string suitable for secure tokens.
export function newToken() { export function newToken(): string {
return randomHexString(32); return randomHexString(32);
} }