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euangoddard/debug-log.ts

Created October 20, 2017 13:51
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Colour-coded prefixed logging for the console
Raw
debug-log.ts
const COLOURS = [
'#ff1744', '#f50057', '#d500f9', '#651fff', '#3d5afe', '#2979ff', '#00b0ff', '#00e5ff', '#1de9b6', '#00e676',
'#76ff03', '#c6ff00', '#ffea00', '#ffc400', '#ff9100', '#ff3d00', '#8d6e63', '#bdbdbd', '#78909c',
];
export function debugLog(prefix: string, ...args) {
let number = 0;
for (let i = 0; i < prefix.length; i++) {
number += prefix.charCodeAt(i);
}
const colour = COLOURS[number % COLOURS.length];
const css = `background: ${colour}; color: white; padding: 2px 0.5em; border-radius: 0.5em;`;
console.log(`%c${prefix}`, css, ...args);
}
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