.htmlhintrc

{
  "attr-lowercase": [
    "/(\\[[()a-zA-Z\\d]*\\])/",
    "/(\\([a-zA-Z\\d_]\\))*/",
    "/(#[a-zA-Z\\d]*)/",
    "/(@[a-zA-Z\\d]*)/",
    "/(\\*[a-zA-Z\\d]*)/",
    "/(let-[a-zA-Z\\d]*)/",
    "/(ref-[a-zA-Z\\d]*)/",
    "matInput",
    "matSuffix",
    "matNativeControl",
    "disableRipple",
    "matRipple",
    "matStepLabel",
    "matStepperNext",
    "matStepperPrevious",
    "matStepContent",
    "hideToggle",
    "maxLength",
    "minLength",
    "matSortDisableClear",
    "matSort",
    "disableClear",
    "matPrefix",
    "matStartDate",
    "matEndDate",
    "matDateRangePickerCancel",
    "matDatepickerToggleIcon",
    "matDatepickerApply",
    "touchUi",
    "multiTemplateDataRows",
    "cdkFocusInitial",
    "ngModel",
    "ngNativeValidate",
    "matLine",
    "matListIcon",
    "matListAvatar",
    "matSubheader",
    "cdkDropList",
    "cdkDrag",
    "matChipRemove",
    "thumbLabel",
    "showFirstLastButtons",
    "matTreeNodeOutlet",
    "matTreeNodeToggle",
    "matTreeNodePadding",
    "dynamicHeight",
    "matTabContent",
    "backgroundColor",
    "cdkScrollable",
    "headerPosition",
    "animationDuration",
    "matTooltip",
    "matTooltipHideDelay",
    "matTooltipShowDelay",
    "matTooltipDisabled",
    "matTooltipPosition",
    "matTooltipClass",
    "cdkDropListOrientation",
    "headerText",
    "matSortActive",
    "matSortDirection",
    "matColumnDef",
    "matStepperIcon",
    "tickInterval",
    "routerLink",
    "rowHeight",
    "fontSet",
    "yPosition",
    "xPosition",
    "fontIcon",
    "svgIcon",
    "floatLabel",
    "startView",
    "panelClass",
    "formControlName",
    "formGroupName",
    "matBadge",
    "matBadgeColor",
    "matBadgeOverlap",
    "matBadgePosition"
  ],
  "attr-no-duplication": false,
  "attr-unsafe-chars": true,
  "attr-value-double-quotes": true,
  "doctype-first": false,
  "doctype-html5": false,
  "id-class-ad-disabled": true,
  "id-class-value": false,
  "id-unique": false,
  "inline-style-disabled": false,
  "space-tab-mixed-disabled": "space2",
  "spec-char-escape": false,
  "src-not-empty": true,
  "style-disabled": false,
  "tag-pair": true,
  "tag-self-close": false,
  "tagname-lowercase": false,
  "title-require": true
}