remove typescript generics
they were getting in the way; it can be developed after the lib is more mature
This commit is contained in:
Brian Sakal
Vendored
+112
-1
@@ -1 +1,112 @@
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(()=>{var x=function(...t){return{states:t}},i=function(t,...e){return{name:t,ons:e}},o=function(t,...e){return{eventName:t,reactions:e}},s=function(t){return{type:"Do",fn:t}},S=function(t){return{type:"Goto",targetStateName:t}},l=function(t){return{doFunctions:t}};function u(t,e){let{state:n,context:C}=e;typeof n>"u"&&(n=t.states[0].name);let E={machine:t,state:n,context:C,tickQueues:[]};return c(E,["entry",null]),E}function m(t){return t.machine.states.find(e=>e.name===t.state)}function v(t,e){return t.ons.filter(n=>n.eventName===e[0])}function h(){}function c(t,e){let n=m(t),E=v(n,e).map(r=>r.reactions).flat(),_=E.findIndex(r=>r.type==="Goto"),f=_===-1?E.length-1:_,y=E.slice(0,f+1).map(r=>r.type==="Do"?r.fn:r.type==="Goto"?(k,d,p)=>{p.state=r.targetStateName,c(p,["entry",d])}:h);l(y).doFunctions.forEach(r=>{r(t.context,e,t)})}var a=(t,e,n)=>{setTimeout(()=>{c(n,["timer-finished",null])},800)},T=(t,e,n)=>{console.log(n.state)},D=x(i("green",o("entry",s(a),s(T)),o("timer-finished",S("yellow"))),i("yellow",o("entry",s(a),s(T)),o("timer-finished",S("red"))),i("red",o("entry",s(a),s(T)),o("timer-finished",S("green")))),M=u(D,{context:{}});})();
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(() => {
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// src/index.ts
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var Machine = function(...states) {
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return { states };
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};
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var State = function(name, ...ons) {
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return { name, ons };
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};
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var On = function(eventName, ...reactions) {
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return { eventName, reactions };
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};
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var Do = function(fn) {
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return { type: "Do", fn };
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};
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var Goto = function(targetStateName) {
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return { type: "Goto", targetStateName };
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};
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var Tick = function(doFunctions) {
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return { doFunctions };
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};
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function interpret(machine2, options) {
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let { state, context } = options;
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if (typeof state === "undefined") {
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state = machine2.states[0].name;
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}
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const interpreter = { machine: machine2, state, context, tickQueues: [] };
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console.log(interpreter);
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send(interpreter, ["entry", null]);
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return interpreter;
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}
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function getState(interpreter) {
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return interpreter.machine.states.find((state) => state.name === interpreter.state);
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}
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function getOns(state, event) {
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return state.ons.filter((on) => on.eventName === event[0]);
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}
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function noop() {
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}
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function send(interpreter, event) {
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const state = getState(interpreter);
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const onsTree = getOns(state, event);
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const reactions = onsTree.map((on) => on.reactions).flat();
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const indexOfFirstGoto = reactions.findIndex((reaction) => reaction.type === "Goto");
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const indexOfFinalReaction = indexOfFirstGoto === -1 ? reactions.length - 1 : indexOfFirstGoto;
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const reactionsUntilFirstGoto = reactions.slice(0, indexOfFinalReaction + 1);
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const functionsToRunInTick = reactionsUntilFirstGoto.map((reaction) => {
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if (reaction.type === "Do") {
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return reaction.fn;
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} else if (reaction.type === "Goto") {
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return (ctx, e, self) => {
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self.state = reaction.targetStateName;
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send(self, ["entry", e]);
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};
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} else {
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return noop;
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}
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});
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const tick = Tick(functionsToRunInTick);
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tick.doFunctions.forEach((fn) => {
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fn(interpreter.context, event, interpreter);
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});
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}
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// src/tests/00-basic.ts
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var beginTimer = (ctx, e, self) => {
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setTimeout(() => {
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send(self, ["timer-finished", null]);
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}, 800);
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};
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var log = (ctx, e, self) => {
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console.log(self.state);
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};
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var machine = Machine(
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State(
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"green",
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On(
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"entry",
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Do(beginTimer),
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Do(log)
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),
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On(
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"timer-finished",
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Goto("yellow")
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)
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),
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State(
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"yellow",
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On(
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"entry",
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Do(beginTimer),
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Do(log)
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),
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On(
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"timer-finished",
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Goto("red")
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)
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),
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State(
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"red",
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On(
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"entry",
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Do(beginTimer),
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Do(log)
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),
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On(
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"timer-finished",
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Goto("green")
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)
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)
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);
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var actor = interpret(machine, { context: {} });
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})();
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Vendored
+152
@@ -0,0 +1,152 @@
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(() => {
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// src/index.ts
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var Machine = function(...states) {
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return { states };
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};
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var State = function(name, ...ons) {
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return { name, ons };
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};
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var On = function(eventName, ...reactions) {
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return { eventName, reactions };
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};
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var Do = function(fn) {
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return { type: "Do", fn };
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};
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var Goto = function(targetStateName) {
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return { type: "Goto", targetStateName };
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};
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var Tick = function(doFunctions) {
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return { doFunctions };
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};
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function interpret(machine, options) {
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let { state, context } = options;
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if (typeof state === "undefined") {
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state = machine.states[0].name;
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}
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const interpreter = { machine, state, context, tickQueues: [] };
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console.log(interpreter);
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send(interpreter, ["entry", null]);
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return interpreter;
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}
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function getState(interpreter) {
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return interpreter.machine.states.find((state) => state.name === interpreter.state);
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}
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function getOns(state, event) {
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return state.ons.filter((on) => on.eventName === event[0]);
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}
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function noop() {
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}
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function send(interpreter, event) {
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const state = getState(interpreter);
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const onsTree = getOns(state, event);
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const reactions = onsTree.map((on) => on.reactions).flat();
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const indexOfFirstGoto = reactions.findIndex((reaction) => reaction.type === "Goto");
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const indexOfFinalReaction = indexOfFirstGoto === -1 ? reactions.length - 1 : indexOfFirstGoto;
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const reactionsUntilFirstGoto = reactions.slice(0, indexOfFinalReaction + 1);
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const functionsToRunInTick = reactionsUntilFirstGoto.map((reaction) => {
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if (reaction.type === "Do") {
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return reaction.fn;
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} else if (reaction.type === "Goto") {
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return (ctx, e, self) => {
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self.state = reaction.targetStateName;
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send(self, ["entry", e]);
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};
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} else {
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return noop;
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}
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});
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const tick = Tick(functionsToRunInTick);
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tick.doFunctions.forEach((fn) => {
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fn(interpreter.context, event, interpreter);
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});
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}
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// src/tests/01-ping-pong.ts
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var wait = (ms) => new Promise((resolve) => {
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setTimeout(() => {
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resolve(1);
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}, ms);
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});
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var makeRequest = (ctx, e, self) => {
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send(ctx.serverActor, ["received-request", self]);
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};
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var sendResponse = (ctx, e, self) => {
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send(ctx.clientActor, ["received-response", self]);
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};
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var startTimer = async (ctx, e, self) => {
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await wait(500);
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send(self, ["timer-finished", null]);
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};
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var log = (ctx, e, self) => {
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console.log(self.state);
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};
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var client = Machine(
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State(
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"idle",
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On(
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"entry",
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Do(log)
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),
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On(
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"server-created",
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Do((_ctx, [_eventName, serverActor2], self) => {
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self.context.serverActor = serverActor2;
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}),
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Goto("making-request")
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)
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),
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State(
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"making-request",
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On(
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"entry",
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Do(log),
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Do(makeRequest),
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Goto("awaiting-response")
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)
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),
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State(
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"awaiting-response",
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On(
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"entry",
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Do(log)
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),
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On(
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"received-response",
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Do(log),
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Goto("making-request")
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)
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)
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);
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var server = Machine(
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State(
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"awaiting-request",
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On(
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"entry",
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Do(log)
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),
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On(
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"received-request",
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Do((_ctx, [_eventName, clientActor2], self) => {
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self.context.clientActor = clientActor2;
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}),
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Goto("sending-response")
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)
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),
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State(
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"sending-response",
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On(
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"entry",
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Do(log),
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Do(startTimer)
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),
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On(
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"timer-finished",
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Do(sendResponse),
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Goto("awaiting-request")
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)
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)
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);
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var clientActor = interpret(client, { context: {} });
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var serverActor = interpret(server, { context: {} });
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send(clientActor, ["server-created", serverActor]);
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})();
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