@material-ui/core
Version:
React components that implement Google's Material Design.
203 lines (177 loc) • 8.07 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = createPalette;
exports.dark = exports.light = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _warning = _interopRequireDefault(require("warning"));
var _deepmerge = _interopRequireDefault(require("deepmerge"));
var _indigo = _interopRequireDefault(require("../colors/indigo"));
var _pink = _interopRequireDefault(require("../colors/pink"));
var _grey = _interopRequireDefault(require("../colors/grey"));
var _red = _interopRequireDefault(require("../colors/red"));
var _common = _interopRequireDefault(require("../colors/common"));
var _colorManipulator = require("./colorManipulator");
// < 1kb payload overhead when lodash/merge is > 3kb.
var light = {
// The colors used to style the text.
text: {
// The most important text.
primary: 'rgba(0, 0, 0, 0.87)',
// Secondary text.
secondary: 'rgba(0, 0, 0, 0.54)',
// Disabled text have even lower visual prominence.
disabled: 'rgba(0, 0, 0, 0.38)',
// Text hints.
hint: 'rgba(0, 0, 0, 0.38)'
},
// The color used to divide different elements.
divider: 'rgba(0, 0, 0, 0.12)',
// The background colors used to style the surfaces.
// Consistency between these values is important.
background: {
paper: _common.default.white,
default: _grey.default[50]
},
// The colors used to style the action elements.
action: {
// The color of an active action like an icon button.
active: 'rgba(0, 0, 0, 0.54)',
// The color of an hovered action.
hover: 'rgba(0, 0, 0, 0.08)',
hoverOpacity: 0.08,
// The color of a selected action.
selected: 'rgba(0, 0, 0, 0.14)',
// The color of a disabled action.
disabled: 'rgba(0, 0, 0, 0.26)',
// The background color of a disabled action.
disabledBackground: 'rgba(0, 0, 0, 0.12)'
}
};
exports.light = light;
var dark = {
text: {
primary: _common.default.white,
secondary: 'rgba(255, 255, 255, 0.7)',
disabled: 'rgba(255, 255, 255, 0.5)',
hint: 'rgba(255, 255, 255, 0.5)',
icon: 'rgba(255, 255, 255, 0.5)'
},
divider: 'rgba(255, 255, 255, 0.12)',
background: {
paper: _grey.default[800],
default: '#303030'
},
action: {
active: _common.default.white,
hover: 'rgba(255, 255, 255, 0.1)',
hoverOpacity: 0.1,
selected: 'rgba(255, 255, 255, 0.2)',
disabled: 'rgba(255, 255, 255, 0.3)',
disabledBackground: 'rgba(255, 255, 255, 0.12)'
}
};
exports.dark = dark;
function addLightOrDark(intent, direction, shade, tonalOffset) {
if (!intent[direction]) {
if (intent.hasOwnProperty(shade)) {
intent[direction] = intent[shade];
} else if (direction === 'light') {
intent.light = (0, _colorManipulator.lighten)(intent.main, tonalOffset);
} else if (direction === 'dark') {
intent.dark = (0, _colorManipulator.darken)(intent.main, tonalOffset * 1.5);
}
}
}
function createPalette(palette) {
var _palette$primary = palette.primary,
primary = _palette$primary === void 0 ? {
light: _indigo.default[300],
main: _indigo.default[500],
dark: _indigo.default[700]
} : _palette$primary,
_palette$secondary = palette.secondary,
secondary = _palette$secondary === void 0 ? {
light: _pink.default.A200,
main: _pink.default.A400,
dark: _pink.default.A700
} : _palette$secondary,
_palette$error = palette.error,
error = _palette$error === void 0 ? {
light: _red.default[300],
main: _red.default[500],
dark: _red.default[700]
} : _palette$error,
_palette$type = palette.type,
type = _palette$type === void 0 ? 'light' : _palette$type,
_palette$contrastThre = palette.contrastThreshold,
contrastThreshold = _palette$contrastThre === void 0 ? 3 : _palette$contrastThre,
_palette$tonalOffset = palette.tonalOffset,
tonalOffset = _palette$tonalOffset === void 0 ? 0.2 : _palette$tonalOffset,
other = (0, _objectWithoutProperties2.default)(palette, ["primary", "secondary", "error", "type", "contrastThreshold", "tonalOffset"]); // Use the same logic as
// Bootstrap: https://github.com/twbs/bootstrap/blob/1d6e3710dd447de1a200f29e8fa521f8a0908f70/scss/_functions.scss#L59
// and material-components-web https://github.com/material-components/material-components-web/blob/ac46b8863c4dab9fc22c4c662dc6bd1b65dd652f/packages/mdc-theme/_functions.scss#L54
function getContrastText(background) {
process.env.NODE_ENV !== "production" ? (0, _warning.default)(background, "Material-UI: missing background argument in getContrastText(".concat(background, ").")) : void 0;
var contrastText = (0, _colorManipulator.getContrastRatio)(background, dark.text.primary) >= contrastThreshold ? dark.text.primary : light.text.primary;
if (process.env.NODE_ENV !== 'production') {
var contrast = (0, _colorManipulator.getContrastRatio)(background, contrastText);
process.env.NODE_ENV !== "production" ? (0, _warning.default)(contrast >= 3, ["Material-UI: the contrast ratio of ".concat(contrast, ":1 for ").concat(contrastText, " on ").concat(background), 'falls below the WACG recommended absolute minimum contrast ratio of 3:1.', 'https://www.w3.org/TR/2008/REC-WCAG20-20081211/#visual-audio-contrast-contrast'].join('\n')) : void 0;
}
return contrastText;
}
function augmentColor(color) {
var mainShade = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 500;
var lightShade = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 300;
var darkShade = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 700;
color = (0, _extends2.default)({}, color);
if (!color.main && color[mainShade]) {
color.main = color[mainShade];
}
if (process.env.NODE_ENV !== 'production' && !color.main) {
throw new Error(['Material-UI: the color provided to augmentColor(color) is invalid.', "The color object needs to have a `main` property or a `".concat(mainShade, "` property.")].join('\n'));
}
addLightOrDark(color, 'light', lightShade, tonalOffset);
addLightOrDark(color, 'dark', darkShade, tonalOffset);
if (!color.contrastText) {
color.contrastText = getContrastText(color.main);
}
return color;
}
var types = {
dark: dark,
light: light
};
process.env.NODE_ENV !== "production" ? (0, _warning.default)(types[type], "Material-UI: the palette type `".concat(type, "` is not supported.")) : void 0;
var paletteOutput = (0, _deepmerge.default)((0, _extends2.default)({
// A collection of common colors.
common: _common.default,
// The palette type, can be light or dark.
type: type,
// The colors used to represent primary interface elements for a user.
primary: augmentColor(primary),
// The colors used to represent secondary interface elements for a user.
secondary: augmentColor(secondary, 'A400', 'A200', 'A700'),
// The colors used to represent interface elements that the user should be made aware of.
error: augmentColor(error),
// The grey colors.
grey: _grey.default,
// Used by `getContrastText()` to maximize the contrast between the background and
// the text.
contrastThreshold: contrastThreshold,
// Take a background color and return the color of the text to maximize the contrast.
getContrastText: getContrastText,
// Generate a rich color object.
augmentColor: augmentColor,
// Used by the functions below to shift a color's luminance by approximately
// two indexes within its tonal palette.
// E.g., shift from Red 500 to Red 300 or Red 700.
tonalOffset: tonalOffset
}, types[type]), other, {
clone: false // No need to clone deep
});
return paletteOutput;
}