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FRPtools container hash function is now optional

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This commit is contained in:
Timothy Farrell 2018-09-11 13:07:58 -05:00
parent 9597b52941
commit 12600453a7
3 changed files with 6 additions and 6 deletions
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4
packages/frptools/README.md
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@ -190,8 +190,8 @@ them.
## Behavior ## Behavior
Anytime a property is set or a method is gotten and called, the container will check for an updated Anytime a property is set or a method is gotten and called, the container will check for an updated
state and trigger subscribers if it is updated. An hash function must be applied to determine state and trigger subscribers if it is updated. An optional hash function may be applied to
updated status. determine updated status. If the hash function is not supplied, every update will be propagated.
## Usage ## Usage

2
packages/frptools/package.json
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@ -1,6 +1,6 @@
{ {
"name": "frptools", "name": "frptools",
"version": "3.2.2", "version": "3.2.3",
"description": "Observable Property and Computed data streams", "description": "Observable Property and Computed data streams",
"main": "src/index.js", "main": "src/index.js",
"files": [ "files": [

6
packages/frptools/src/container.js
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@ -2,7 +2,7 @@ import { registerSubscriptions, registerFire } from './util.js';
export function container(store, hash) { export function container(store, hash) {
let subscribers = []; let subscribers = [];
let id = hash(store); let id = hash && hash(store);
const containerMethods = { const containerMethods = {
subscribe: registerSubscriptions(subscribers), subscribe: registerSubscriptions(subscribers),
@ -13,8 +13,8 @@ export function container(store, hash) {
}; };
function checkUpdate(target) { function checkUpdate(target) {
const newId = hash(target); let newId = hash && hash(target);
if (id !== newId) { if (!hash || id !== newId) {
id = newId; id = newId;
containerMethods.fire(target); containerMethods.fire(target);
} }