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phoenix_live_view
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0.1.1
0.1.0
Rich, real-time user experiences with server-rendered HTML
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Files
assets/js/phoenix_live_view/utils.js
import { PHX_VIEW_SELECTOR } from "./constants";
import EntryUploader from "./entry_uploader";
export const logError = (msg, obj) => console.error && console.error(msg, obj);
export const isCid = (cid) => {
const type = typeof cid;
return type === "number" || (type === "string" && /^(0|[1-9]\d*)$/.test(cid));
};
export function detectDuplicateIds() {
const ids = new Set();
const elems = document.querySelectorAll("*[id]");
for (let i = 0, len = elems.length; i < len; i++) {
if (ids.has(elems[i].id)) {
console.error(
`Multiple IDs detected: ${elems[i].id}. Ensure unique element ids.`,
);
} else {
ids.add(elems[i].id);
}
}
}
export function detectInvalidStreamInserts(inserts) {
const errors = new Set();
Object.keys(inserts).forEach((id) => {
const streamEl = document.getElementById(id);
if (
streamEl &&
streamEl.parentElement &&
streamEl.parentElement.getAttribute("phx-update") !== "stream"
) {
errors.add(
`The stream container with id "${streamEl.parentElement.id}" is missing the phx-update="stream" attribute. Ensure it is set for streams to work properly.`,
);
}
});
errors.forEach((error) => console.error(error));
}
export const debug = (view, kind, msg, obj) => {
if (view.liveSocket.isDebugEnabled()) {
console.log(`${view.id} ${kind}: ${msg} - `, obj);
}
};
// wraps value in closure or returns closure
export const closure = (val) =>
typeof val === "function"
? val
: function () {
return val;
};
export const clone = (obj) => {
return JSON.parse(JSON.stringify(obj));
};
export const closestPhxBinding = (el, binding, borderEl) => {
do {
if (el.matches(`[${binding}]`) && !el.disabled) {
return el;
}
el = el.parentElement || el.parentNode;
} while (
el !== null &&
el.nodeType === 1 &&
!((borderEl && borderEl.isSameNode(el)) || el.matches(PHX_VIEW_SELECTOR))
);
return null;
};
export const isObject = (obj) => {
return obj !== null && typeof obj === "object" && !(obj instanceof Array);
};
export const isEqualObj = (obj1, obj2) =>
JSON.stringify(obj1) === JSON.stringify(obj2);
export const isEmpty = (obj) => {
for (const x in obj) {
return false;
}
return true;
};
export const maybe = (el, callback) => el && callback(el);
export const channelUploader = function (entries, onError, resp, liveSocket) {
entries.forEach((entry) => {
const entryUploader = new EntryUploader(entry, resp.config, liveSocket);
entryUploader.upload();
});
};