TanTan
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75 lines
2.3 KiB
Plaintext
75 lines
2.3 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
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function memo(getDeps, fn, opts) {
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let deps = opts.initialDeps ?? [];
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let result;
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let isInitial = true;
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function memoizedFunction() {
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var _a;
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const debugEnabled = process.env.NODE_ENV !== "production" && !!opts.key && !!((_a = opts.debug) == null ? void 0 : _a.call(opts));
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let depTime = 0;
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if (debugEnabled) depTime = Date.now();
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const newDeps = getDeps();
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const depsChanged = newDeps.length !== deps.length || newDeps.some((dep, index) => deps[index] !== dep);
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if (!depsChanged) {
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return result;
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}
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deps = newDeps;
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let resultTime = 0;
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if (debugEnabled) resultTime = Date.now();
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result = fn(...newDeps);
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if (debugEnabled) {
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const depEndTime = Math.round((Date.now() - depTime) * 100) / 100;
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const resultEndTime = Math.round((Date.now() - resultTime) * 100) / 100;
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const resultFpsPercentage = resultEndTime / 16;
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const pad = (str, num) => {
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str = String(str);
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while (str.length < num) {
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str = " " + str;
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}
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return str;
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};
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console.info(
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`%c⏱ ${pad(resultEndTime, 5)} /${pad(depEndTime, 5)} ms`,
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`
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font-size: .6rem;
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font-weight: bold;
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color: hsl(${Math.max(
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0,
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Math.min(120 - 120 * resultFpsPercentage, 120)
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)}deg 100% 31%);`,
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opts == null ? void 0 : opts.key
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);
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}
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if ((opts == null ? void 0 : opts.onChange) && !(isInitial && opts.skipInitialOnChange)) {
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opts.onChange(result);
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}
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isInitial = false;
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return result;
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}
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memoizedFunction.updateDeps = (newDeps) => {
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deps = newDeps;
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};
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return memoizedFunction;
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}
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function notUndefined(value, msg) {
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if (value === void 0) {
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throw new Error(`Unexpected undefined${msg ? `: ${msg}` : ""}`);
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} else {
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return value;
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}
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}
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const approxEqual = (a, b) => Math.abs(a - b) < 1.01;
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const debounce = (targetWindow, fn, ms) => {
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let timeoutId;
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return function(...args) {
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targetWindow.clearTimeout(timeoutId);
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timeoutId = targetWindow.setTimeout(() => fn.apply(this, args), ms);
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};
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};
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exports.approxEqual = approxEqual;
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exports.debounce = debounce;
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exports.memo = memo;
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exports.notUndefined = notUndefined;
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//# sourceMappingURL=utils.cjs.map
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