87 lines
3.8 KiB
JavaScript
87 lines
3.8 KiB
JavaScript
// Compiled by ClojureScript 1.9.229 {}
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goog.provide('re_frame.cofx');
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goog.require('cljs.core');
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goog.require('re_frame.db');
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goog.require('re_frame.interceptor');
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goog.require('re_frame.registrar');
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goog.require('re_frame.loggers');
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re_frame.cofx.kind = new cljs.core.Keyword(null,"cofx","cofx",2013202907);
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if(cljs.core.truth_(re_frame.registrar.kinds.call(null,re_frame.cofx.kind))){
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} else {
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throw (new Error("Assert failed: (re-frame.registrar/kinds kind)"));
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}
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re_frame.cofx.register = cljs.core.partial.call(null,re_frame.registrar.register_handler,re_frame.cofx.kind);
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/**
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* Returns an interceptor which adds to a `context's` `:coeffects`.
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*
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* `coeffects` are the input resources required by an event handler
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* to perform its job. The two most obvious ones are `db` and `event`.
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* But sometimes a handler might need other resources.
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*
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* Perhaps a handler needs a random number or a GUID or the current datetime.
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* Perhaps it needs access to the connection to a DataScript database.
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*
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* If the handler directly access these resources, it stops being as
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* pure. It immedaitely becomes harder to test, etc.
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*
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* So the necessary resources are "injected" into the `coeffect` (map)
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* given the handler.
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*
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* Given an `id`, and an optional value, lookup the registered coeffect
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* handler (previously registered via `reg-cofx`) and it with two arguments:
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* the current value of `:coeffects` and, optionally, the value. The registered handler
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* is expected to return a modified coeffect.
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*
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*/
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re_frame.cofx.inject_cofx = (function re_frame$cofx$inject_cofx(var_args){
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var args32997 = [];
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var len__26205__auto___33000 = arguments.length;
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var i__26206__auto___33001 = (0);
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while(true){
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if((i__26206__auto___33001 < len__26205__auto___33000)){
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args32997.push((arguments[i__26206__auto___33001]));
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var G__33002 = (i__26206__auto___33001 + (1));
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i__26206__auto___33001 = G__33002;
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continue;
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} else {
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}
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break;
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}
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var G__32999 = args32997.length;
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switch (G__32999) {
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case 1:
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return re_frame.cofx.inject_cofx.cljs$core$IFn$_invoke$arity$1((arguments[(0)]));
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break;
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case 2:
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return re_frame.cofx.inject_cofx.cljs$core$IFn$_invoke$arity$2((arguments[(0)]),(arguments[(1)]));
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break;
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default:
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throw (new Error([cljs.core.str("Invalid arity: "),cljs.core.str(args32997.length)].join('')));
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}
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});
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re_frame.cofx.inject_cofx.cljs$core$IFn$_invoke$arity$1 = (function (id){
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return re_frame.interceptor.__GT_interceptor.call(null,new cljs.core.Keyword(null,"id","id",-1388402092),new cljs.core.Keyword(null,"coeffects","coeffects",497912985),new cljs.core.Keyword(null,"before","before",-1633692388),(function re_frame$cofx$coeffects_before(context){
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return cljs.core.update.call(null,context,new cljs.core.Keyword(null,"coeffects","coeffects",497912985),re_frame.registrar.get_handler.call(null,re_frame.cofx.kind,id));
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}));
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});
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re_frame.cofx.inject_cofx.cljs$core$IFn$_invoke$arity$2 = (function (id,value){
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return re_frame.interceptor.__GT_interceptor.call(null,new cljs.core.Keyword(null,"id","id",-1388402092),new cljs.core.Keyword(null,"coeffects","coeffects",497912985),new cljs.core.Keyword(null,"before","before",-1633692388),(function re_frame$cofx$coeffects_before(context){
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return cljs.core.update.call(null,context,new cljs.core.Keyword(null,"coeffects","coeffects",497912985),re_frame.registrar.get_handler.call(null,re_frame.cofx.kind,id),value);
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}));
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});
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re_frame.cofx.inject_cofx.cljs$lang$maxFixedArity = 2;
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re_frame.cofx.register.call(null,new cljs.core.Keyword(null,"db","db",993250759),(function re_frame$cofx$db_coeffects_handler(coeffects){
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return cljs.core.assoc.call(null,coeffects,new cljs.core.Keyword(null,"db","db",993250759),cljs.core.deref.call(null,re_frame.db.app_db));
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}));
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re_frame.cofx.inject_db = re_frame.cofx.inject_cofx.call(null,new cljs.core.Keyword(null,"db","db",993250759));
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//# sourceMappingURL=cofx.js.map?rel=1603199198178
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