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niram

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A javascript library to convert between various css colour formats.

github.com/niralaakam/niram

niralaakam/niram

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const REG_EXP_ANY_NUMBER = '([+-]?(?:\\d+|(?:\\d*\\.\\d+)))'; const REG_EXP_HEX = '[a-f\\d]'; const REG_EXP_0_TO_255 = REG_EXP_ANY_NUMBER; const REG_EXP_N128_TO_127 = REG_EXP_ANY_NUMBER; const REG_EXP_0_TO_1_FRACTION = REG_EXP_ANY_NUMBER; const REG_EXP_0_TO_100_PERCENT = `${REG_EXP_ANY_NUMBER}\\%`; const REG_EXP_0_TO_359_DEG = `${REG_EXP_ANY_NUMBER}(?:deg)?`; const REG_EXP_0_TO_2_PI_RAD = `${REG_EXP_ANY_NUMBER}rad`; const REG_EXP_ANGLE = `(?:(?:${REG_EXP_0_TO_359_DEG})|(?:${REG_EXP_0_TO_2_PI_RAD}))`; const REG_EXP_COMA_OR_SPACE_SEPARATOR = '\\s*[,\\s]\\s*'; const REG_EXP_COMA_SEPARATOR = '\\s*[,]\\s*'; const REG_EXP_SPACE_SEPARATOR = '\\s*[\\s]\\s*'; const REG_EXP_SLASH_SEPARATOR = '\\s*[\\/]\\s*'; export const REG_EXP_MATCH = { HEX_8: new RegExp(`^\\#(${REG_EXP_HEX}{2})(${REG_EXP_HEX}{2})(${REG_EXP_HEX}{2})(${REG_EXP_HEX}{2})$`, 'i'), HEX_6: new RegExp(`^\\#(${REG_EXP_HEX}{2})(${REG_EXP_HEX}{2})(${REG_EXP_HEX}{2})$`, 'i'), HEX_3: new RegExp(`^\\#(${REG_EXP_HEX})(${REG_EXP_HEX})(${REG_EXP_HEX})$`, 'i'), RGB_COMA: new RegExp(`^rgb\\(\\s*${REG_EXP_0_TO_255}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_255}\\s*\\)$`, 'i'), RGB_SPACE: new RegExp(`^rgb\\(\\s*${REG_EXP_0_TO_255}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_255}\\s*\\)$`, 'i'), RGBA_COMA: new RegExp(`^rgba\\(\\s*${REG_EXP_0_TO_255}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_1_FRACTION}\\s*\\)$`, 'i'), RGBA_SPACE: new RegExp(`^rgba\\(\\s*${REG_EXP_0_TO_255}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_255}${REG_EXP_SLASH_SEPARATOR}${REG_EXP_0_TO_1_FRACTION}\\s*\\)$`, 'i'), HSL_COMA: new RegExp(`^hsl\\(\\s*${REG_EXP_ANGLE}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}\\s*\\)$`, 'i'), HSL_SPACE: new RegExp(`^hsl\\(\\s*${REG_EXP_ANGLE}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}\\s*\\)$`, 'i'), HSLA_COMA: new RegExp(`^hsla\\(\\s*${REG_EXP_ANGLE}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_COMA_SEPARATOR}${REG_EXP_0_TO_1_FRACTION}\\s*\\)$`, 'i'), HSLA_SPACE: new RegExp(`^hsla\\(\\s*${REG_EXP_ANGLE}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}${REG_EXP_SLASH_SEPARATOR}${REG_EXP_0_TO_1_FRACTION}\\s*\\)$`, 'i'), HWB: new RegExp(`^hwb\\(\\s*${REG_EXP_ANGLE}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}?${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}?(?:${REG_EXP_SLASH_SEPARATOR}(?:(?:${REG_EXP_0_TO_100_PERCENT})|(?:${REG_EXP_0_TO_1_FRACTION})))?\\s*\\)$`, 'i'), LAB: new RegExp(`^lab\\(\\s*${REG_EXP_0_TO_100_PERCENT}?${REG_EXP_SPACE_SEPARATOR}${REG_EXP_N128_TO_127}${REG_EXP_SPACE_SEPARATOR}${REG_EXP_N128_TO_127}(?:${REG_EXP_SLASH_SEPARATOR}(?:(?:${REG_EXP_0_TO_100_PERCENT})|(?:${REG_EXP_0_TO_1_FRACTION})))?\\s*\\)$`, 'i'), LCH: new RegExp(`^lch\\(\\s*${REG_EXP_0_TO_100_PERCENT}?${REG_EXP_SPACE_SEPARATOR}${REG_EXP_0_TO_100_PERCENT}?${REG_EXP_SPACE_SEPARATOR}${REG_EXP_ANGLE}(?:${REG_EXP_SLASH_SEPARATOR}(?:(?:${REG_EXP_0_TO_100_PERCENT})|(?:${REG_EXP_0_TO_1_FRACTION})))?\\s*\\)$`, 'i'), };