@material-ui/core/es/styles/createPalette.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import { formatMuiErrorMessage as _formatMuiErrorMessage } from "@material-ui/utils";
import { deepmerge } from '@material-ui/utils';
import common from '../colors/common';
import grey from '../colors/grey';
import indigo from '../colors/indigo';
import pink from '../colors/pink';
import red from '../colors/red';
import orange from '../colors/orange';
import blue from '../colors/blue';
import green from '../colors/green';
import { darken, getContrastRatio, lighten } from './colorManipulator';
export const 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.white,
    default: grey[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, 0.04)',
    hoverOpacity: 0.04,
    // The color of a selected action.
    selected: 'rgba(0, 0, 0, 0.08)',
    selectedOpacity: 0.08,
    // 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)',
    disabledOpacity: 0.38,
    focus: 'rgba(0, 0, 0, 0.12)',
    focusOpacity: 0.12,
    activatedOpacity: 0.12
  }
};
export const dark = {
  text: {
    primary: common.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[800],
    default: '#303030'
  },
  action: {
    active: common.white,
    hover: 'rgba(255, 255, 255, 0.08)',
    hoverOpacity: 0.08,
    selected: 'rgba(255, 255, 255, 0.16)',
    selectedOpacity: 0.16,
    disabled: 'rgba(255, 255, 255, 0.3)',
    disabledBackground: 'rgba(255, 255, 255, 0.12)',
    disabledOpacity: 0.38,
    focus: 'rgba(255, 255, 255, 0.12)',
    focusOpacity: 0.12,
    activatedOpacity: 0.24
  }
};

function addLightOrDark(intent, direction, shade, tonalOffset) {
  const tonalOffsetLight = tonalOffset.light || tonalOffset;
  const tonalOffsetDark = tonalOffset.dark || tonalOffset * 1.5;

  if (!intent[direction]) {
    if (intent.hasOwnProperty(shade)) {
      intent[direction] = intent[shade];
    } else if (direction === 'light') {
      intent.light = lighten(intent.main, tonalOffsetLight);
    } else if (direction === 'dark') {
      intent.dark = darken(intent.main, tonalOffsetDark);
    }
  }
}

export default function createPalette(palette) {
  const {
    primary = {
      light: indigo[300],
      main: indigo[500],
      dark: indigo[700]
    },
    secondary = {
      light: pink.A200,
      main: pink.A400,
      dark: pink.A700
    },
    error = {
      light: red[300],
      main: red[500],
      dark: red[700]
    },
    warning = {
      light: orange[300],
      main: orange[500],
      dark: orange[700]
    },
    info = {
      light: blue[300],
      main: blue[500],
      dark: blue[700]
    },
    success = {
      light: green[300],
      main: green[500],
      dark: green[700]
    },
    type = 'light',
    contrastThreshold = 3,
    tonalOffset = 0.2
  } = palette,
        other = _objectWithoutPropertiesLoose(palette, ["primary", "secondary", "error", "warning", "info", "success", "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) {
    const contrastText = getContrastRatio(background, dark.text.primary) >= contrastThreshold ? dark.text.primary : light.text.primary;

    if (process.env.NODE_ENV !== 'production') {
      const contrast = getContrastRatio(background, contrastText);

      if (contrast < 3) {
        console.error([`Material-UI: The contrast ratio of ${contrast}:1 for ${contrastText} on ${background}`, 'falls below the WCAG recommended absolute minimum contrast ratio of 3:1.', 'https://www.w3.org/TR/2008/REC-WCAG20-20081211/#visual-audio-contrast-contrast'].join('\n'));
      }
    }

    return contrastText;
  }

  const augmentColor = (color, mainShade = 500, lightShade = 300, darkShade = 700) => {
    color = _extends({}, color);

    if (!color.main && color[mainShade]) {
      color.main = color[mainShade];
    }

    if (!color.main) {
      throw new Error(process.env.NODE_ENV !== "production" ? `Material-UI: The color provided to augmentColor(color) is invalid.
The color object needs to have a \`main\` property or a \`${mainShade}\` property.` : _formatMuiErrorMessage(4, mainShade));
    }

    if (typeof color.main !== 'string') {
      throw new Error(process.env.NODE_ENV !== "production" ? `Material-UI: The color provided to augmentColor(color) is invalid.
\`color.main\` should be a string, but \`${JSON.stringify(color.main)}\` was provided instead.

Did you intend to use one of the following approaches?

import { green } from "@material-ui/core/colors";

const theme1 = createTheme({ palette: {
  primary: green,
} });

const theme2 = createTheme({ palette: {
  primary: { main: green[500] },
} });` : _formatMuiErrorMessage(5, JSON.stringify(color.main)));
    }

    addLightOrDark(color, 'light', lightShade, tonalOffset);
    addLightOrDark(color, 'dark', darkShade, tonalOffset);

    if (!color.contrastText) {
      color.contrastText = getContrastText(color.main);
    }

    return color;
  };

  const types = {
    dark,
    light
  };

  if (process.env.NODE_ENV !== 'production') {
    if (!types[type]) {
      console.error(`Material-UI: The palette type \`${type}\` is not supported.`);
    }
  }

  const paletteOutput = deepmerge(_extends({
    // A collection of common colors.
    common,
    // The palette type, can be light or dark.
    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 colors used to represent potentially dangerous actions or important messages.
    warning: augmentColor(warning),
    // The colors used to present information to the user that is neutral and not necessarily important.
    info: augmentColor(info),
    // The colors used to indicate the successful completion of an action that user triggered.
    success: augmentColor(success),
    // The grey colors.
    grey,
    // Used by `getContrastText()` to maximize the contrast between
    // the background and the text.
    contrastThreshold,
    // Takes a background color and returns the text color that maximizes the contrast.
    getContrastText,
    // Generate a rich color object.
    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
  }, types[type]), other);
  return paletteOutput;
}