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feat: register fn for sample prefix handling

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This commit is contained in:
Felix Roos 2023-06-29 10:46:32 +02:00
parent 058b971870
commit fb3ca9f960
1 changed files with 20 additions and 0 deletions
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20
packages/webaudio/sampler.mjs
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@ -119,6 +119,21 @@ export const processSampleMap = (sampleMap, fn, baseUrl = sampleMap._base || '')
});
};
// allows adding a custom url prefix handler
// for example, it is used by the desktop app to load samples starting with '~/music'
let resourcePrefixHandlers = {};
export function registerSamplesPrefix(prefix, resolve) {
resourcePrefixHandlers[prefix] = resolve;
}
// finds a prefix handler for the given url (if any)
function getSamplesPrefixHandler(url) {
const handler = Object.entries(resourcePrefixHandlers).find(([key]) => url.startsWith(key));
if (handler) {
return handler[1];
}
return;
}
/**
* Loads a collection of samples to use with `s`
* @example
@ -135,6 +150,11 @@ export const processSampleMap = (sampleMap, fn, baseUrl = sampleMap._base || '')
export const samples = async (sampleMap, baseUrl = sampleMap._base || '', options = {}) => {
if (typeof sampleMap === 'string') {
// check if custom prefix handler
const handler = getSamplesPrefixHandler(sampleMap);
if (handler) {
return handler(sampleMap);
}
if (sampleMap.startsWith('github:')) {
let [_, path] = sampleMap.split('github:');
path = path.endsWith('/') ? path.slice(0, -1) : path;