@preact/signals-core/dist/signals-core.mjs

Manage state with style in every framework

const i=Symbol.for("preact-signals");function t(){if(e>1){e--;return}let i,t=!1;!function(){let i=f;f=void 0;while(void 0!==i){const t=i.S;if(t.v===i.v)for(let n=t.t;void 0!==n;n=n.x)if(n.i===i.i)n.i=t.i;i=i.o}}();while(void 0!==h){let n=h;h=void 0;c++;while(void 0!==n){const o=n.u;n.u=void 0;n.f&=-3;if(!(8&n.f)&&w(n))try{n.c()}catch(n){if(!t){i=n;t=!0}}n=o}}c=0;e--;if(t)throw i}function n(i){if(e>0)return i();d=++u;e++;try{return i()}finally{t()}}let o,s,h;function r(i){const t=o,n=s;o=void 0;s=void 0;try{return i()}finally{o=t;s=n}}let f,e=0,c=0,u=0,d=0,v=0;function l(i){if(void 0===o)return;let t=i.n;if(void 0===t||t.t!==o){t={i:0,S:i,p:o.s,n:void 0,t:o,e:void 0,x:void 0,r:t};if(void 0!==o.s)o.s.n=t;o.s=t;i.n=t;if(32&o.f)i.S(t);return t}else if(-1===t.i){t.i=0;if(void 0!==t.n){t.n.p=t.p;if(void 0!==t.p)t.p.n=t.n;t.p=o.s;t.n=void 0;o.s.n=t;o.s=t}return t}}function a(i,t){this.v=i;this.i=0;this.n=void 0;this.t=void 0;this.l=0;this.W=null==t?void 0:t.watched;this.Z=null==t?void 0:t.unwatched;this.name=null==t?void 0:t.name}a.prototype.brand=i;a.prototype.h=function(){return!0};a.prototype.S=function(i){const t=this.t;if(t!==i&&void 0===i.e){i.x=t;this.t=i;if(void 0!==t)t.e=i;else r(()=>{var i;null==(i=this.W)||i.call(this)})}};a.prototype.U=function(i){if(void 0!==this.t){const t=i.e,n=i.x;if(void 0!==t){t.x=n;i.e=void 0}if(void 0!==n){n.e=t;i.x=void 0}if(i===this.t){this.t=n;if(void 0===n)r(()=>{var i;null==(i=this.Z)||i.call(this)})}}};a.prototype.subscribe=function(i){return j(()=>{const t=this.value;r(()=>i(t))},{name:"sub"})};a.prototype.valueOf=function(){return this.value};a.prototype.toString=function(){return this.value+""};a.prototype.toJSON=function(){return this.value};a.prototype.peek=function(){return r(()=>this.value)};Object.defineProperty(a.prototype,"value",{get(){const i=l(this);if(void 0!==i)i.i=this.i;return this.v},set(i){if(i!==this.v){if(c>100)throw new Error("Cycle detected");!function(i){if(0!==e&&0===c)if(i.l!==d){i.l=d;f={S:i,v:i.v,i:i.i,o:f}}}(this);this.v=i;this.i++;v++;e++;try{for(let i=this.t;void 0!==i;i=i.x)i.t.N()}finally{t()}}}});function y(i,t){return new a(i,t)}function w(i){for(let t=i.s;void 0!==t;t=t.n)if(t.S.i!==t.i||!t.S.h()||t.S.i!==t.i)return!0;return!1}function _(i){for(let t=i.s;void 0!==t;t=t.n){const n=t.S.n;if(void 0!==n)t.r=n;t.S.n=t;t.i=-1;if(void 0===t.n){i.s=t;break}}}function b(i){let t,n=i.s;while(void 0!==n){const i=n.p;if(-1===n.i){n.S.U(n);if(void 0!==i)i.n=n.n;if(void 0!==n.n)n.n.p=i}else t=n;n.S.n=n.r;if(void 0!==n.r)n.r=void 0;n=i}i.s=t}function p(i,t){a.call(this,void 0,t);this.x=i;this.s=void 0;this.g=v-1;this.f=4}p.prototype=new a;p.prototype.h=function(){this.f&=-3;if(1&this.f)return!1;if(32==(36&this.f))return!0;this.f&=-5;if(this.g===v)return!0;this.g=v;this.f|=1;if(this.i>0&&!w(this)){this.f&=-2;return!0}const i=o;try{_(this);o=this;const i=this.x();if(16&this.f||this.v!==i||0===this.i){this.v=i;this.f&=-17;this.i++}}catch(i){this.v=i;this.f|=16;this.i++}o=i;b(this);this.f&=-2;return!0};p.prototype.S=function(i){if(void 0===this.t){this.f|=36;for(let i=this.s;void 0!==i;i=i.n)i.S.S(i)}a.prototype.S.call(this,i)};p.prototype.U=function(i){if(void 0!==this.t){a.prototype.U.call(this,i);if(void 0===this.t){this.f&=-33;for(let i=this.s;void 0!==i;i=i.n)i.S.U(i)}}};p.prototype.N=function(){if(!(2&this.f)){this.f|=6;for(let i=this.t;void 0!==i;i=i.x)i.t.N()}};Object.defineProperty(p.prototype,"value",{get(){if(1&this.f)throw new Error("Cycle detected");const i=l(this);this.h();if(void 0!==i)i.i=this.i;if(16&this.f)throw this.v;return this.v}});function g(i,t){return new p(i,t)}function S(i){const n=i.m;i.m=void 0;if("function"==typeof n){e++;const s=o;o=void 0;try{n()}catch(t){i.f&=-2;i.f|=8;m(i);throw t}finally{o=s;t()}}}function m(i){for(let t=i.s;void 0!==t;t=t.n)t.S.U(t);i.x=void 0;i.s=void 0;S(i)}function x(i){if(o!==this)throw new Error("Out-of-order effect");b(this);o=i;this.f&=-2;if(8&this.f)m(this);t()}function E(i,t){this.x=i;this.m=void 0;this.s=void 0;this.u=void 0;this.f=32;this.name=null==t?void 0:t.name;if(s)s.push(this)}E.prototype.c=function(){const i=this.S();try{if(8&this.f)return;if(void 0===this.x)return;const t=this.x();if("function"==typeof t)this.m=t}finally{i()}};E.prototype.S=function(){if(1&this.f)throw new Error("Cycle detected");this.f|=1;this.f&=-9;S(this);_(this);e++;const i=o;o=this;return x.bind(this,i)};E.prototype.N=function(){if(!(2&this.f)){this.f|=2;this.u=h;h=this}};E.prototype.d=function(){this.f|=8;if(!(1&this.f))m(this)};E.prototype.dispose=function(){this.d()};function j(i,t){const n=new E(i,t);try{n.c()}catch(i){n.d();throw i}const o=n.d.bind(n);o[Symbol.dispose]=o;return o}function C(i){return function(...t){return n(()=>r(()=>i.apply(this,t)))}}const O=i=>{for(const t in i){const n=i[t];if("function"==typeof n)i[t]=C(n);else if("object"==typeof n&&null!==n&&!("brand"in n))O(n)}};function k(i){return function(...t){let n,o;const h=function(){let i=s;s=[];return function(){let t=s;if(s&&i)i=i.concat(s);s=i;return t}}();try{o=i(...t)}catch(i){s=void 0;throw i}finally{n=h()}O(o);o[Symbol.dispose]=C(function(){if(n)for(let i=0;i<n.length;i++)n[i].dispose();n=void 0});return o}}export{p as Computed,E as Effect,a as Signal,C as action,n as batch,g as computed,k as createModel,j as effect,y as signal,r as untracked};//# sourceMappingURL=signals-core.mjs.map