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Boxiang Sun
erp5
Commits
b14231fc
Commit
b14231fc
authored
Jun 10, 2019
by
Boxiang Sun
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erp5_notebook: Preload webassembly module on Chrome
parent
383b35ca
Changes
1
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47 additions
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1 deletion
+47
-1
bt5/erp5_notebook/SkinTemplateItem/portal_skins/erp5_notebook/gadget_jsmd_eval.js.js
...ateItem/portal_skins/erp5_notebook/gadget_jsmd_eval.js.js
+47
-1
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bt5/erp5_notebook/SkinTemplateItem/portal_skins/erp5_notebook/gadget_jsmd_eval.js.js
View file @
b14231fc
...
...
@@ -122,6 +122,50 @@
return
null
;
}
function
preloadWasm
()
{
// On Chrome, we have to instantiate wasm asynchronously. Since that
// can't be done synchronously within the call to dlopen, we instantiate
// every .so that comes our way up front, caching it in the
// `preloadedWasm` dictionary.
let
promise
=
new
Promise
((
resolve
)
=>
resolve
());
let
FS
=
pyodide
.
_module
.
FS
;
function
recurseDir
(
rootpath
)
{
let
dirs
;
var
entry
;
try
{
dirs
=
FS
.
readdir
(
rootpath
);
}
catch
{
return
;
}
for
(
entry
of
dirs
)
{
if
(
entry
.
startsWith
(
'
.
'
))
{
continue
;
}
const
path
=
rootpath
+
entry
;
if
(
entry
.
endsWith
(
'
.so
'
))
{
if
(
Module
[
'
preloadedWasm
'
][
path
]
===
undefined
)
{
promise
=
promise
.
then
(()
=>
Module
[
'
loadWebAssemblyModule
'
](
FS
.
readFile
(
path
),
{
loadAsync
:
true
}))
.
then
((
module
)
=>
{
Module
[
'
preloadedWasm
'
][
path
]
=
module
;
});
}
}
else
if
(
FS
.
isDir
(
FS
.
lookupPath
(
path
).
node
.
mode
))
{
recurseDir
(
path
+
'
/
'
);
}
}
}
recurseDir
(
'
/
'
);
return
promise
;
}
function
pyodideLoadPackage
(
names
)
{
// DFS to find all dependencies of the requested packages
var
queue
,
toLoad
,
package_uri
,
package_name
,
k
,
...
...
@@ -176,7 +220,9 @@
}
delete
pyodide
.
monitorRunDependencies
;
packageList
=
Array
.
from
(
Object
.
keys
(
toLoad
)).
join
(
'
,
'
);
resolve
(
"
Loaded
"
+
packageList
);
preloadWasm
().
then
(()
=>
{
resolve
(
`Loaded
${
packageList
}
`
)
});
}
};
...
...
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