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copy(obj2) : {};\n Object.assign(newObj, defaults, cloned);\n }\n return newObj;\n}\n\nexport function copyOptions(obj1, obj2) {\n if (obj2 && obj2._defaults) {\n return obj2;\n }\n const opts = defaults(obj1, obj2);\n if (opts.strictMath) {\n opts.math = Constants.Math.PARENS;\n }\n // Back compat with changed relativeUrls option\n if (opts.relativeUrls) {\n opts.rewriteUrls = Constants.RewriteUrls.ALL;\n }\n if (typeof opts.math === 'string') {\n switch (opts.math.toLowerCase()) {\n case 'always':\n opts.math = Constants.Math.ALWAYS;\n break;\n case 'parens-division':\n opts.math = Constants.Math.PARENS_DIVISION;\n break;\n case 'strict':\n case 'parens':\n opts.math = Constants.Math.PARENS;\n break;\n default:\n opts.math = Constants.Math.PARENS;\n }\n }\n if (typeof opts.rewriteUrls === 'string') {\n switch (opts.rewriteUrls.toLowerCase()) {\n case 'off':\n opts.rewriteUrls = Constants.RewriteUrls.OFF;\n break;\n case 'local':\n opts.rewriteUrls = Constants.RewriteUrls.LOCAL;\n break;\n case 'all':\n opts.rewriteUrls = Constants.RewriteUrls.ALL;\n break;\n }\n }\n return opts;\n}\n\nexport function merge(obj1, obj2) {\n for (const prop in obj2) {\n if (obj2.hasOwnProperty(prop)) {\n obj1[prop] = obj2[prop];\n }\n }\n return obj1;\n}\n\nexport function flattenArray(arr, result = []) {\n for (let i = 0, length = arr.length; i < length; i++) {\n const value = arr[i];\n if (Array.isArray(value)) {\n flattenArray(value, result);\n } else {\n if (value !== undefined) {\n result.push(value);\n }\n }\n }\n return result;\n}"]} |