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18 lines
308 B
JavaScript
18 lines
308 B
JavaScript
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module.exports = function(x, y, dir) {
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var roundFn;
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switch (dir) {
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case "up":
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roundFn = Math.ceil;
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break;
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case "down":
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roundFn = Math.floor;
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break;
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default:
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roundFn = Math.round;
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}
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if (x === 0) {
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x = 1;
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}
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return Math.max(0, roundFn(x / y * 100));
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};
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