pixi.js

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pixijs/pixijs

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{"version":3,"file":"clean.mjs","sources":["../../../src/utils/data/clean.ts"],"sourcesContent":["/**\n * Takes a hash and removes all the `undefined`/`null` values from it.\n * In PixiJS, we tend to null properties instead of using 'delete' for performance reasons.\n * However, in some cases, this could be a problem if the hash grows too large over time,\n * this function can be used to clean a hash.\n * @param hash - The hash to clean.\n * @returns A new hash with all the `undefined`/`null` values removed.\n * @category utils\n * @internal\n */\nexport function cleanHash<T>(hash: Record<string, T>): Record<string, T>\n{\n let clean = false;\n\n for (const i in hash)\n {\n // eslint-disable-next-line eqeqeq\n if (hash[i] == undefined)\n {\n clean = true;\n break;\n }\n }\n\n if (!clean) return hash;\n\n const cleanHash = Object.create(null);\n\n for (const i in hash)\n {\n const value = hash[i];\n\n if (value)\n {\n cleanHash[i] = value;\n }\n }\n\n return cleanHash;\n}\n\n/**\n * Removes all `undefined`/`null` elements from the given array and compacts the array.\n *\n * This function iterates through the array, shifting non-undefined elements to the left\n * to fill gaps created by `undefined` elements. The length of the array is then adjusted\n * to remove the trailing `undefined` elements.\n * @param arr - The array to be cleaned.\n * @returns The cleaned array with all `undefined` elements removed.\n * @example\n * // Example usage:\n * const arr = [1, undefined, 2, undefined, 3];\n * const cleanedArr = cleanArray(arr);\n * console.log(cleanedArr); // Output: [1, 2, 3]\n * @category utils\n * @internal\n */\nexport function cleanArray<T>(arr: T[]): T[]\n{\n let offset = 0;\n\n for (let i = 0; i < arr.length; i++)\n {\n // eslint-disable-next-line eqeqeq\n if (arr[i] == undefined)\n {\n offset++;\n }\n else\n {\n arr[i - offset] = arr[i];\n }\n }\n\n arr.length -= offset;\n\n return arr;\n}\n"],"names":["cleanHash"],"mappings":";AAUO,SAAS,UAAa,IAC7B,EAAA;AACI,EAAA,IAAI,KAAQ,GAAA,KAAA,CAAA;AAEZ,EAAA,KAAA,MAAW,KAAK,IAChB,EAAA;AAEI,IAAI,IAAA,IAAA,CAAK,CAAC,CAAA,IAAK,KACf,CAAA,EAAA;AACI,MAAQ,KAAA,GAAA,IAAA,CAAA;AACR,MAAA,MAAA;AAAA,KACJ;AAAA,GACJ;AAEA,EAAA,IAAI,CAAC,KAAA;AAAO,IAAO,OAAA,IAAA,CAAA;AAEnB,EAAMA,MAAAA,UAAAA,mBAAmB,MAAA,CAAA,MAAA,CAAO,IAAI,CAAA,CAAA;AAEpC,EAAA,KAAA,MAAW,KAAK,IAChB,EAAA;AACI,IAAM,MAAA,KAAA,GAAQ,KAAK,CAAC,CAAA,CAAA;AAEpB,IAAA,IAAI,KACJ,EAAA;AACI,MAAAA,UAAAA,CAAU,CAAC,CAAI,GAAA,KAAA,CAAA;AAAA,KACnB;AAAA,GACJ;AAEA,EAAOA,OAAAA,UAAAA,CAAAA;AACX,CAAA;AAkBO,SAAS,WAAc,GAC9B,EAAA;AACI,EAAA,IAAI,MAAS,GAAA,CAAA,CAAA;AAEb,EAAA,KAAA,IAAS,CAAI,GAAA,CAAA,EAAG,CAAI,GAAA,GAAA,CAAI,QAAQ,CAChC,EAAA,EAAA;AAEI,IAAI,IAAA,GAAA,CAAI,CAAC,CAAA,IAAK,KACd,CAAA,EAAA;AACI,MAAA,MAAA,EAAA,CAAA;AAAA,KAGJ,MAAA;AACI,MAAA,GAAA,CAAI,CAAI,GAAA,MAAM,CAAI,GAAA,GAAA,CAAI,CAAC,CAAA,CAAA;AAAA,KAC3B;AAAA,GACJ;AAEA,EAAA,GAAA,CAAI,MAAU,IAAA,MAAA,CAAA;AAEd,EAAO,OAAA,GAAA,CAAA;AACX;;;;"}