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optimized color parsing

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This commit is contained in:
Daniel Sommer 2022-02-25 15:39:32 +01:00
parent 750844f49e
commit 421c3be3dd
1 changed files with 26 additions and 29 deletions
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55
libs/parser.js
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@ -1,7 +1,6 @@
const logger = require('./logger.js');
const hexcolor = require('hex-color-regex'); const hexcolor = require('hex-color-regex');
const LEDS_ALL = require('./blinkstick.js').LEDS_ALL; const LEDS_ALL = require('./blinkstick.js').ALL;
const MODE_SET = require('./blinkstick.js').MODE_SET; const MODE_SET = require('./blinkstick.js').MODE_SET;
const MODE_MORPH = require('./blinkstick.js').MODE_MORPH; const MODE_MORPH = require('./blinkstick.js').MODE_MORPH;
const MODE_BLINK = require('./blinkstick.js').MODE_BLINK; const MODE_BLINK = require('./blinkstick.js').MODE_BLINK;
@ -115,36 +114,33 @@ function parseColor(value) {
if (value === undefined || value === COLOR_RANDOM) { if (value === undefined || value === COLOR_RANDOM) {
return COLOR_RANDOM; return COLOR_RANDOM;
} }
let parsedColor = parseRGBColor(value); let parsedColor = parseHexColor(value);
if (!parsedColor) { if (parsedColor !== undefined) {
parsedColor = parseHexColor(value); return parsedColor;
} }
return parsedColor || function () { return parseRGBColor(value) || COLOR_RANDOM;
logger.warn('could not parse color value \'' + value + '\', defaulting to \'' + COLOR_RANDOM + '\'');
return COLOR_RANDOM;
}();
} }
function parseRGBColor(value) { function parseRGBColor(value) {
if (value.indexOf(',') === -1 && isRGBValue(value)) { if (value.indexOf(',') === -1 && isRGBValue(value)) {
return convertRGBToHex(parseInt(value) || 0, 0, 0); value = parseInt(value);
} else { return convertRGBToHex(value, value, value);
const splittedValues = value.split(','); }
let color = {}; const splittedValues = value.split(',');
for (let index = 0; index < splittedValues.length; index++) { let color = {};
const value = splittedValues[index]; for (let index = 0; index < splittedValues.length; index++) {
if (index === 0) { const value = splittedValues[index];
color.red = parseInt(value) || 0; if (index === 0) {
} else if (index === 1) { color.red = parseInt(value) || 0;
color.green = parseInt(value) || 0; } else if (index === 1) {
} else if (index === 2) { color.green = parseInt(value) || 0;
color.blue = parseInt(value) || 0; } else if (index === 2) {
} color.blue = parseInt(value) || 0;
}
if (isRGBValue(color.red) && isRGBValue(color.green) && isRGBValue(color.blue)) {
return convertRGBToHex(color.red, color.green, color.blue);
} }
} }
if (isRGBValue(color.red) && isRGBValue(color.green) && isRGBValue(color.blue)) {
return convertRGBToHex(color.red, color.green, color.blue);
}
} }
function isRGBValue(value) { function isRGBValue(value) {
@ -159,12 +155,13 @@ function parseHexColor(value) {
if (value[0] !== '#') { if (value[0] !== '#') {
value = '#' + value; value = '#' + value;
} }
if (value.length === 4) { if (value.length !== 7) {
value = (value[0] + value[1] + value[1] + value[2] + value[2] + value[3] + value[3]); return;
} }
if (hexcolor({strict: true}).test(value)) { if (!hexcolor({strict: true}).test(value)) {
return value; return;
} }
return value;
} }
// exports // exports