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use emscripten virtual FS directly to load paths (#870)

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* use emscripten virtual FS directly to load paths

* use more low level APIs

* use await instead of then

* remove try...catch from loadFromFile since it's being handled externally

* add test for an invalid path

* test checks for error shown to the user too

* add comment about a missing case
This commit is contained in:
Madhur Tandon
2022-10-21 18:43:03 +05:30
committed by GitHub
parent c352b502c4
commit 0cfe20ca65
3 changed files with 31 additions and 17 deletions
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6
pyscriptjs/src/utils.ts
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@@ -64,9 +64,11 @@ export function showError(msg: string): void {
export function handleFetchError(e: Error, singleFile: string) {
//Should we still export full error contents to console?
console.warn(`Caught an error in loadPaths:\r\n ${e.toString()}`);
// XXX: What happens if I make a typo? i.e. a web server is being used but a file
// that doesn't exist is being accessed. We should cover this case as well.
console.warn(`Caught an error in fetchPaths:\r\n ${e.toString()}`);
let errorContent: string;
if (e.message.includes('TypeError: Failed to fetch')) {
if (e.message.includes('Failed to fetch')) {
errorContent = `<p>PyScript: Access to local files
(using "Paths:" in &lt;py-config&gt;)
is not available when directly opening a HTML file;