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element-web/docs/app-load.md

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App load order

Old slow flow: image

Current more parallel flow: image

Code 


digraph G {
  node [shape=box];

subgraph cluster_0 {
color=orange;
node [style=filled];
label = "index.ts";


entrypoint, s0, ready [shape=point];
rageshake, config, i18n, theme, skin, olm [shape=parallelogram];
mobile [shape=diamond, label="mobile"];
modernizr [shape=diamond];
redirect, incompatible [shape=egg];

entrypoint -> rageshake;
rageshake -> mobile [color=blue];
mobile -> s0 [label="No"];
mobile -> redirect [label="Yes"];

s0 -> platform;
s0 -> olm;
platform -> config;

config -> i18n [color=blue];
config -> theme [color=blue];
config -> skin [color=blue];

i18n -> modernizr [color=blue];
theme -> modernizr [color=blue];
skin -> modernizr [color=blue];

modernizr -> ready [label="Yes"];
modernizr -> incompatible [label="No"];
incompatible -> ready [label="user ignore"];

olm -> ready [color=red];
config -> ready [color=red];
skin -> ready [color=red];
theme -> ready [color=red];
i18n -> ready [color=red];



}


subgraph cluster_1 {
color = green;
node [style=filled];
label = "init.tsx";


ready -> loadApp;
loadApp -> matrixchat;



}
}

Key:

  • Parallelogram: async/await task
  • Box: sync task
  • Diamond: conditional branch
  • Egg: user interaction
  • Blue arrow: async task is allowed to settle but allowed to fail
  • Red arrow: async task success is asserted

Notes:

  • The success of setting up rageshake is never asserted, riot-web has a fallback path for running without IDB (and thus rageshake).
  • Everything is awaited to be settled before the Modernizr check, to allow it to make use of things like i18n if they are successful.

Underlying dependencies: image