83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
import { i as initRange } from "./init-cc95ec8e.js";
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class InternMap extends Map {
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constructor(entries, key = keyof) {
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super();
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Object.defineProperties(this, { _intern: { value: /* @__PURE__ */ new Map() }, _key: { value: key } });
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if (entries != null)
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for (const [key2, value] of entries)
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this.set(key2, value);
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}
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get(key) {
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return super.get(intern_get(this, key));
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}
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has(key) {
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return super.has(intern_get(this, key));
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}
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set(key, value) {
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return super.set(intern_set(this, key), value);
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}
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delete(key) {
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return super.delete(intern_delete(this, key));
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}
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}
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function intern_get({ _intern, _key }, value) {
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const key = _key(value);
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return _intern.has(key) ? _intern.get(key) : value;
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}
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function intern_set({ _intern, _key }, value) {
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const key = _key(value);
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if (_intern.has(key))
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return _intern.get(key);
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_intern.set(key, value);
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return value;
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}
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function intern_delete({ _intern, _key }, value) {
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const key = _key(value);
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if (_intern.has(key)) {
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value = _intern.get(key);
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_intern.delete(key);
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}
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return value;
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}
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function keyof(value) {
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return value !== null && typeof value === "object" ? value.valueOf() : value;
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}
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const implicit = Symbol("implicit");
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function ordinal() {
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var index = new InternMap(), domain = [], range = [], unknown = implicit;
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function scale(d) {
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let i = index.get(d);
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if (i === void 0) {
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if (unknown !== implicit)
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return unknown;
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index.set(d, i = domain.push(d) - 1);
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}
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return range[i % range.length];
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}
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scale.domain = function(_) {
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if (!arguments.length)
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return domain.slice();
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domain = [], index = new InternMap();
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for (const value of _) {
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if (index.has(value))
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continue;
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index.set(value, domain.push(value) - 1);
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}
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return scale;
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};
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scale.range = function(_) {
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return arguments.length ? (range = Array.from(_), scale) : range.slice();
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};
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scale.unknown = function(_) {
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return arguments.length ? (unknown = _, scale) : unknown;
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};
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scale.copy = function() {
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return ordinal(domain, range).unknown(unknown);
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};
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initRange.apply(scale, arguments);
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return scale;
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}
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export {
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ordinal as o
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};
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