ember-htmlbars.style-xss-warning

ember-htmlbars.style-xss-warning

Error message

constructStyleDeprecationMessage(String(value))

What it means

Error "constructStyleDeprecationMessage(String(value))" thrown in emberjs/ember.js.

Source

Thrown at packages/@ember/-internals/glimmer/lib/environment.ts:44

  toBool,
  toIterator,

  getProp: _getProp,
  setProp: _setProp,
  getPath: get,
  setPath: set,

  scheduleDestroy(destroyable, destructor) {
    schedule('actions', null, destructor, destroyable);
  },

  scheduleDestroyed(finalizeDestructor) {
    schedule('destroy', null, finalizeDestructor);
  },

  warnIfStyleNotTrusted(value: unknown) {
    warn(
      constructStyleDeprecationMessage(String(value)),
      (() => {
        if (value === null || value === undefined || isHTMLSafe(value)) {
          return true;
        }
        return false;
      })(),
      { id: 'ember-htmlbars.style-xss-warning' }
    );
  },

  assert(test: unknown, msg: string, options?: { id: string }) {
    if (DEBUG) {
      let id = options?.id;

      let override = VM_ASSERTION_OVERRIDES.filter((o) => o.id === id)[0];

      assert(override?.message ?? msg, test);

View on GitHub (pinned to 26f97246a8)

When it happens

Trigger: Thrown at packages/@ember/-internals/glimmer/lib/environment.ts:44 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of emberjs/ember.js@26f97246a8 (2026-09-01). Data as JSON: /api/errors/eff921c8066f3492. Report an issue: GitHub.