55 lines
1.4 KiB
TypeScript
55 lines
1.4 KiB
TypeScript
import htmx from "htmx.org";
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function dependsOn(pathSpec: any, url: string) {
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if (pathSpec === "ignore") {
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return false;
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}
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const dependencyPath = pathSpec.split("/");
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const urlPath = url.split("/");
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for (let i = 0; i < urlPath.length; i++) {
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const dependencyElement = dependencyPath.shift();
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const pathElement = urlPath[i];
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if (dependencyElement !== pathElement && dependencyElement !== "*") {
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return false;
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}
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if (
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dependencyPath.length === 0 ||
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(dependencyPath.length === 1 && dependencyPath[0] === "")
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) {
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return true;
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}
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}
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return false;
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}
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function refreshPath(path: string) {
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const eltsWithDeps = htmx.findAll("[path-deps]");
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for (let i = 0; i < eltsWithDeps.length; i++) {
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const elt = eltsWithDeps[i];
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if (dependsOn(elt.getAttribute("path-deps"), path)) {
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htmx.trigger(elt, "path-deps", null);
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}
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}
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}
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htmx.defineExtension("path-deps", {
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// @ts-ignore
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onEvent: function (name, evt) {
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if (!(evt instanceof CustomEvent)) {
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return false;
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}
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if (name === "htmx:beforeOnLoad") {
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const config = evt.detail.requestConfig;
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// mutating call
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if (
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config &&
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config.verb !== "get" &&
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evt.target != null &&
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evt.target instanceof Element &&
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evt.target.getAttribute("path-deps") !== "ignore"
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) {
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refreshPath(config.path);
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}
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}
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},
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});
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