tone
Version:
A Web Audio framework for making interactive music in the browser.
50 lines • 1.25 kB
JavaScript
/**
* Assert that the statement is true, otherwise invoke the error.
* @param statement
* @param error The message which is passed into an Error
*/
export function assert(statement, error) {
if (!statement) {
throw new Error(error);
}
}
/**
* Make sure that the given value is within the range
*/
export function assertRange(value, gte, lte = Infinity) {
if (!(gte <= value && value <= lte)) {
throw new RangeError(`Value must be within [${gte}, ${lte}], got: ${value}`);
}
}
/**
* Make sure that the given value is within the range
*/
export function assertContextRunning(context) {
// add a warning if the context is not started
if (!context.isOffline && context.state !== "running") {
warn("The AudioContext is \"suspended\". Invoke Tone.start() from a user action to start the audio.");
}
}
/**
* The default logger is the console
*/
let defaultLogger = console;
/**
* Set the logging interface
*/
export function setLogger(logger) {
defaultLogger = logger;
}
/**
* Log anything
*/
export function log(...args) {
defaultLogger.log(...args);
}
/**
* Warn anything
*/
export function warn(...args) {
defaultLogger.warn(...args);
}
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