unknown character problem - prettier

run npm serve command, prettier too many warnings;

1:11 warning Delete ␍ prettier/prettier 2:20 warning Delete ␍ prettier/prettier 3:31 warning Delete ␍ prettier/prettier 4:22 warning Delete ␍ prettier/prettier 5:27 warning Delete ␍ prettier/prettier 6:79 warning Delete ␍ prettier/prettier 7:11 warning Delete ␍ prettier/prettier 8:20 warning Delete ␍ prettier/prettier 9:1 warning Delete ␍ prettier/prettier 10:22 warning Delete ␍ prettier/prettier 11:27 warning Delete ␍ prettier/prettier 12:21 warning Delete ␍ prettier/prettier 13:54 warning Delete ␍ prettier/prettier 14:24 warning Delete ␍ prettier/prettier 15:11 warning Delete ␍ prettier/prettier 16:20 warning Delete ␍ prettier/prettier 17:9 warning Delete ␍ prettier/prettier 18:18 warning Delete ␍ prettier/prettier 19:1 warning Delete ␍ prettier/prettier 20:20 warning Delete ␍ prettier/prettier 21:31 warning Delete ␍ prettier/prettier 22:22 warning Delete ␍ prettier/prettier 23:27 warning Delete ␍ prettier/prettier 24:79 warning Delete ␍ prettier/prettier 25:11 warning Delete ␍ prettier/prettier 26:20 warning Delete ␍ prettier/prettier 27:1 warning Delete ␍ prettier/prettier 28:22 warning Delete ␍ prettier/prettier 29:27 warning Delete ␍ prettier/prettier 30:21 warning Delete ␍ prettier/prettier 31:54 warning Delete ␍ prettier/prettier 32:24 warning Delete ␍ prettier/prettier 33:11 warning Delete ␍ prettier/prettier 34:20 warning Delete ␍ prettier/prettier 35:9 warning Delete ␍ prettier/prettier 36:18 warning Delete ␍ prettier/prettier 37:1 warning Delete ␍ prettier/prettier 38:20 warning Delete ␍ prettier/prettier 39:31 warning Delete ␍ prettier/prettier 40:22 warning Delete ␍ prettier/prettier 41:27 warning Delete ␍ prettier/prettier 42:79 warning Delete ␍ prettier/prettier 43:11 warning Delete ␍ prettier/prettier 44:20 warning Delete ␍ prettier/prettier 45:1 warning Delete ␍ prettier/prettier 46:22 warning Delete ␍ prettier/prettier 47:27 warning Delete ␍ prettier/prettier 48:21 warning Delete ␍ prettier/prettier 49:54 warning Delete ␍ prettier/prettier 50:24 warning Delete ␍ prettier/prettier 51:11 warning Delete ␍ prettier/prettier 52:20 warning Delete ␍ prettier/prettier 53:9 warning Delete ␍ prettier/prettier 54:18 warning Delete ␍ prettier/prettier 55:1 warning Delete ␍ prettier/prettier 56:20 warning Delete ␍ prettier/prettier 57:31 warning Delete ␍ prettier/prettier 58:22 warning Delete ␍ prettier/prettier 59:27 warning Delete ␍ prettier/prettier 60:79 warning Delete ␍ prettier/prettier 61:11 warning Delete ␍ prettier/prettier 62:20 warning Delete ␍ prettier/prettier 63:1 warning Delete ␍ prettier/prettier 64:22 warning Delete ␍ prettier/prettier 65:27 warning Delete ␍ prettier/prettier 66:21 warning Delete ␍ prettier/prettier 67:54 warning Delete ␍ prettier/prettier 68:24 warning Delete ␍ prettier/prettier 69:11 warning Delete ␍ prettier/prettier 70:20 warning Delete ␍ prettier/prettier 71:9 warning Delete ␍ prettier/prettier 72:18 warning Delete ␍ prettier/prettier 73:1 warning Delete ␍ prettier/prettier 74:64 warning Delete ␍ prettier/prettier 75:1 warning Delete ␍ prettier/prettier 76:66 warning Delete ␍ prettier/prettier 77:1 warning Delete ␍ prettier/prettier 78:66 warning Delete ␍ prettier/prettier 79:1 warning Delete ␍ prettier/prettier 80:66 warning Delete ␍ prettier/prettier 81:1 warning Delete ␍ prettier/prettier 82:66 warning Delete ␍ prettier/prettier 83:12 warning Delete ␍ prettier/prettier 84:1 warning Delete ␍ prettier/prettier 85:19 warning Delete ␍ prettier/prettier 86:50 warning Delete ␍ prettier/prettier 87:69 warning Delete ␍ prettier/prettier 88:69 warning Delete ␍ prettier/prettier 89:69 warning Delete ␍ prettier/prettier 90:69 warning Delete ␍ prettier/prettier 91:69 warning Delete ␍ prettier/prettier 92:69 warning Delete ␍ prettier/prettier 93:69 warning Delete ␍ prettier/prettier 94:69 warning Delete ␍ prettier/prettier 95:69 warning Delete ␍ prettier/prettier 96:71 warning Delete ␍ prettier/prettier 97:71 warning Delete ␍ prettier/prettier 98:71 warning Delete ␍ prettier/prettier 99:71 warning Delete ␍ prettier/prettier 100:71 warning Delete ␍ prettier/prettier 101:1 warning Delete ␍ prettier/prettier 102:33 warning Delete ␍ prettier/prettier 103:26 warning Delete ␍ prettier/prettier 104:16 warning Delete ␍ prettier/prettier 105:19 warning Delete ␍ prettier/prettier 106:19 warning Delete ␍ prettier/prettier 107:19 warning Delete ␍ prettier/prettier 108:19 warning Delete ␍ prettier/prettier 109:19 warning Delete ␍ prettier/prettier 110:19 warning Delete ␍ prettier/prettier 111:19 warning Delete ␍ prettier/prettier 112:19 warning Delete ␍ prettier/prettier 113:19 warning Delete ␍ prettier/prettier 114:20 warning Delete ␍ prettier/prettier 115:20 warning Delete ␍ prettier/prettier 116:20 warning Delete ␍ prettier/prettier 117:20 warning Delete ␍ prettier/prettier 118:5 warning Delete ␍ prettier/prettier 119:12 warning Delete ␍ prettier/prettier 120:22 warning Delete ␍ prettier/prettier 121:56 warning Delete ␍ prettier/prettier 122:8 warning Delete ␍ prettier/prettier 123:5 warning Delete ␍ prettier/prettier 124:4 warning Delete ␍ prettier/prettier 125:10 warning Delete ␍ prettier/prettier

✖ 125 problems (0 errors, 125 warnings) 0 errors and 125 warnings potentially fixable with the --fix option.

how to fix problem ?