martijnversluis/ChordSheetJS

/* eslint indent: 0 */

import SCALES from '../data/scales';

import {
  FLAT,
  MAJOR,
  MINOR,
  NO_MODIFIER,
  NUMERAL,
  NUMERIC,
  SHARP,
  SYMBOL,
  SOLFEGE,
} from '../src/constants';

interface BuildOptions {
  force: boolean;
  release: boolean;
}

export default function buildScales(_: BuildOptions): string {
  const MODIFIERS = { NO_MODIFIER, SHARP, FLAT };
  const MODES = { MAJOR, MINOR };

  const KEY_TYPES = {
    SYMBOL,
    SOLFEGE,
    NUMERIC,
    NUMERAL,
  };

  return `
  /*
  ⚠️⚠️⚠️ NOTE: this file has been generated automatically.
          Please do NOT edit this file directly, but instead:
            - edit the data source, located in \`data/scales.ts\`
            - run \`yarn build:code-generate\` to re-generate this file.
   */
   
  import {
    ChordType, 
    Mode,
    ModifierMaybe, 
    FLAT, 
    MAJOR,
    MINOR,
    NO_MODIFIER, 
    NUMERAL, 
    NUMERIC, 
    SHARP, 
    SYMBOL,
    SOLFEGE
  } from './constants';

  export const KEY_TO_GRADE: Record<ChordType, Record<Mode, Record<ModifierMaybe, Record<string, number>>>> = {
    ${
    Object.entries(KEY_TYPES).map(([keyTypeName, keyTypeValue]) => `
        [${keyTypeName}]: {
          ${
            Object.entries(MODES).map(([modeName, modeValue]) => `
              [${modeName}]: {
                ${
                  Object.entries(MODIFIERS).map(([modifierName, modifierValue]) => `
                    [${modifierName}]: {
                      ${
                        SCALES[keyTypeValue][modeValue][modifierValue].map((keyString, grade) => {
                          if (keyString === null) {
                            return null;
                          }

                          const keyWithoutModifier = keyString.replace(/#|b/g, '');
                          return `${keyWithoutModifier}: ${grade}`;
                        }).filter((v) => v).join(',\n')
                      }
                    },
                  `).join('\n')
                }
              },
            `).join('\n')
          }
        },
      `).join('\n')
    }
  };
  
  export const GRADE_TO_KEY: Record<ChordType, Record<Mode, Record<ModifierMaybe, Record<number, string>>>> = {
    ${
      Object.entries(KEY_TYPES).map(([keyTypeName, keyTypeValue]) => `
        [${keyTypeName}]: {
          ${
            Object.entries(MODES).map(([modeName, modeValue]) => `
              [${modeName}]: {
                ${
                  Object.entries(MODIFIERS).map(([modifierName, modifierValue]) => `
                    [${modifierName}]: {
                      ${
                        SCALES[keyTypeValue][modeValue][modifierValue].map((keyString, grade) => {
                          if (keyString === null) {
                            return null;
                          }

                          return `${grade}: '${keyString}',`;
                        }).filter((v) => v).join('\n')
                      }
                    },
                  `).join('\n')
                }
              },
            `).join('\n')
            }
        },
      `).join('\n')
    }
  };
`.substring(1);
}