50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
import { h, addNS } from "./h.js";
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function copyToThunk(vnode, thunk) {
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var _a;
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const ns = (_a = thunk.data) === null || _a === void 0 ? void 0 : _a.ns;
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vnode.data.fn = thunk.data.fn;
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vnode.data.args = thunk.data.args;
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thunk.data = vnode.data;
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thunk.children = vnode.children;
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thunk.text = vnode.text;
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thunk.elm = vnode.elm;
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if (ns)
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addNS(thunk.data, thunk.children, thunk.sel);
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}
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function init(thunk) {
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const cur = thunk.data;
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const vnode = cur.fn(...cur.args);
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copyToThunk(vnode, thunk);
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}
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function prepatch(oldVnode, thunk) {
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let i;
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const old = oldVnode.data;
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const cur = thunk.data;
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const oldArgs = old.args;
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const args = cur.args;
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if (old.fn !== cur.fn || oldArgs.length !== args.length) {
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copyToThunk(cur.fn(...args), thunk);
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return;
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}
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for (i = 0; i < args.length; ++i) {
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if (oldArgs[i] !== args[i]) {
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copyToThunk(cur.fn(...args), thunk);
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return;
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}
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}
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copyToThunk(oldVnode, thunk);
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}
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export const thunk = function thunk(sel, key, fn, args) {
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if (args === undefined) {
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args = fn;
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fn = key;
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key = undefined;
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}
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return h(sel, {
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key: key,
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hook: { init, prepatch },
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fn: fn,
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args: args
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});
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};
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//# sourceMappingURL=thunk.js.map
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