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move some more code from promises to async/await

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This commit is contained in:
Daniel Sommer 2022-02-24 11:52:16 +01:00
parent 4dd916997e
commit 9ceb501265
1 changed files with 61 additions and 76 deletions
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137
libs/blinkstick.js
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@ -31,106 +31,94 @@ async function findBlinkstick(index) {
// simple animation (set the color / morph to color)
async function simple(config) {
try {
await forceStop();
config.timestamp = new Date().getTime();
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
await forceStop();
config.timestamp = new Date().getTime();
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
try {
await setLedState(indices[index], LED_ANIMATED);
await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
} finally {
await clearLedState(indices[index]);
}
return {
status: 'ok',
color: config.color,
indices: indices,
time: (new Date().getTime() - config.timestamp) + 'ms'
};
} catch (err) {
logger.error(err);
return err;
}
return {
status: 'ok',
color: config.color,
indices: indices,
time: (new Date().getTime() - config.timestamp) + 'ms'
};
}
// complex animation (pulse / blink)
async function complex(config) {
try {
if (config.timestamp === undefined) {
await powerOff({id: Math.random(), mode: MODE_POWEROFF, color: '#000000', options: {index: LEDS_ALL}});
config.timestamp = new Date().getTime();
}
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
if (config.timestamp === undefined) {
await powerOff({id: Math.random(), mode: MODE_POWEROFF, color: '#000000', options: {index: LEDS_ALL}});
config.timestamp = new Date().getTime();
}
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
try {
if (shouldLedFinish(config)) {
return {status: 'ok', time: (new Date().getTime() - config.timestamp) + 'ms'};
}
await setLedState(indices[index], LED_ANIMATED);
await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
await clearLedState(indices[index]);
config.repetitions.done++;
} finally {
await clearLedState(indices[index]);
}
return complex(config);
} catch (err) {
logger.error(err);
}
return complex(config);
}
// power the blinkstick (or just a specific led) off
async function powerOff(config) {
try {
await forceStop();
config.timestamp = new Date().getTime();
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
logger.info('led \'' + indices[index] + '\' powered off');
}
if (config.options.index === LEDS_ALL) {
const blinkstick = await findBlinkstick();
blinkstick.stop();
blinkstick.turnOff();
logger.info('blinkstick powered off');
}
return {status: 'ok', indices: indices, time: (new Date().getTime() - config.timestamp) + 'ms'};
} catch (err) {
logger.error(err);
throw err;
await forceStop();
config.timestamp = new Date().getTime();
let indices = getIndices(config);
for (let index = 0; index < indices.length; index++) {
await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
logger.info('led \'' + indices[index] + '\' powered off');
}
if (config.options.index === LEDS_ALL) {
const blinkstick = await findBlinkstick();
blinkstick.stop();
blinkstick.turnOff();
logger.info('blinkstick powered off');
}
return {status: 'ok', indices: indices, time: (new Date().getTime() - config.timestamp) + 'ms'};
}
// animations
async function singleAnimation(config, index) {
try {
config.options.index = index;
const blinkstick = await findBlinkstick();
return await new Promise((resolve, reject) => {
logger.debug('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' (mode: ' + config.mode + ')...');
switch (config.mode) {
case MODE_MORPH:
blinkstick.morph(config.color, config.options, callback);
break;
case MODE_BLINK:
blinkstick.blink(config.color, config.options, callback);
break;
case MODE_PULSE:
blinkstick.pulse(config.color, config.options, callback);
break;
default:
blinkstick.setColor(config.color, config.options, callback);
break;
}
config.options.index = index;
const blinkstick = await findBlinkstick();
return await new Promise((resolve, reject) => {
logger.debug('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' (mode: ' + config.mode + ')...');
switch (config.mode) {
case MODE_MORPH:
blinkstick.morph(config.color, config.options, callback);
break;
case MODE_BLINK:
blinkstick.blink(config.color, config.options, callback);
break;
case MODE_PULSE:
blinkstick.pulse(config.color, config.options, callback);
break;
default:
blinkstick.setColor(config.color, config.options, callback);
break;
}
function callback(err) {
if (err) {
reject('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' encountered an error > ' + err);
}
logger.debug('changed color of led \'' + config.options.index + '\' to \'' + config.color + '\' (mode: ' + config.mode + ')');
resolve();
function callback(err) {
if (err) {
reject(new Error('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' encountered an error > ' + err));
}
});
} catch (err) {
throw err;
}
logger.debug('changed color of led \'' + config.options.index + '\' to \'' + config.color + '\' (mode: ' + config.mode + ')');
resolve();
}
});
}
async function forceStop() {
@ -207,10 +195,7 @@ function isInfiniteAnimation(config) {
if (config.mode !== MODE_BLINK && config.mode !== MODE_PULSE) {
return false;
}
if (config.options.index === LEDS_ALL) {
return config.repetitions.max === 0;
}
return config.options.repeats === 0;
return config.repetitions.max === 0;
}
// exports