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Minor internal cleanups in JS code.

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FossilOrigin-Name: 21a2ca9fc46bf746874579897872e2a45cb07f278abb670dd22b122f7d6a9a6c
This commit is contained in:
stephan
2023-07-20 23:25:32 +00:00
parent 0b518b8d65
commit 35325a37ce
5 changed files with 24 additions and 21 deletions
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21
ext/wasm/api/sqlite3-api-prologue.js
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@ -1861,6 +1861,9 @@ globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
client: undefined,
/**
This function is not part of the public interface, but a
piece of internal bootstrapping infrastructure.
Performs any optional asynchronous library-level initialization
which might be required. This function returns a Promise which
resolves to the sqlite3 namespace object. Any error in the
@ -1884,15 +1887,15 @@ globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
In Emscripten-based builds, this function is called
automatically and deleted from this object.
*/
asyncPostInit: function ff(){
if(ff.ready instanceof Promise) return ff.ready;
asyncPostInit: async function ff(){
if(ff.isReady instanceof Promise) return ff.isReady;
let lip = sqlite3ApiBootstrap.initializersAsync;
delete sqlite3ApiBootstrap.initializersAsync;
if(!lip || !lip.length){
return ff.ready = Promise.resolve(sqlite3);
return ff.isReady = Promise.resolve(sqlite3);
}
lip = lip.map((f)=>{
return (f instanceof Promise) ? f : f(sqlite3);
return (f instanceof Function) ? async x=>f(sqlite3) : f;
});
const catcher = (e)=>{
config.error("an async sqlite3 initializer failed:",e);
@ -1907,7 +1910,7 @@ globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
/* It's conceivable that we might want to expose
StructBinder to client-side code, but it's only useful if
clients build their own sqlite3.wasm which contains their
one C struct types. */
own C struct types. */
delete sqlite3.StructBinder;
}
return sqlite3;
@ -1917,12 +1920,12 @@ globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
advantage is that it allows us to have post-init cleanup
defined outside of this routine at the end of the list and
have it run at a well-defined time. */
let p = lip.shift();
let p = Promise.resolve(sqlite3);
while(lip.length) p = p.then(lip.shift());
return ff.ready = p.then(postInit).catch(catcher);
return ff.isReady = p.then(postInit).catch(catcher);
}else{
/* Run them in an arbitrary order. */
return ff.ready = Promise.all(lip).then(postInit).catch(catcher);
return ff.isReady = Promise.all(lip).then(postInit).catch(catcher);
}
},
/**
@ -1983,7 +1986,7 @@ globalThis.sqlite3ApiBootstrap.initializers = [];
specifically for initializers which are asynchronous. All entries in
this list must be either async functions, non-async functions which
return a Promise, or a Promise. Each function in the list is called
with the sqlite3 ojbect as its only argument.
with the sqlite3 object as its only argument.
The resolved value of any Promise is ignored and rejection will kill
the asyncPostInit() process (at an indeterminate point because all