Function setScale

src/uPlot.js:2318–2354

(key, opts)

	// explicit, never re-ranged (is this actually true? for x and y)
	function setScale(key, opts) {
		let sc = scales[key];

		if (sc.from == null) {
			if (dataLen == 0) {
				let minMax = sc.range(self, opts.min, opts.max, key);
				opts.min = minMax[0];
				opts.max = minMax[1];
			}

			if (opts.min > opts.max) {
				let _min = opts.min;
				opts.min = opts.max;
				opts.max = _min;
			}

			if (dataLen > 1 && opts.min != null && opts.max != null && opts.max - opts.min < 1e-16)
				return;

			if (key == xScaleKey) {
				if (sc.distr == 2 && dataLen > 0) {
					opts.min = closestIdx(opts.min, data[0]);
					opts.max = closestIdx(opts.max, data[0]);

					if (opts.min == opts.max)
						opts.max++;
				}
			}

		//	log("setScale()", arguments);

			pendScales[key] = opts;

			shouldSetScales = true;
			commit();
		}
	}

	self.setScale = setScale;