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import flexSpec from "./flex-spec.js";import Declaration from "../declaration.js";
class FlexDirection extends Declaration {  /**   * Return property name by final spec   */  normalize() {    return "flex-direction";  }
  /**   * Use two properties for 2009 spec   */  insert(decl, prefix, prefixes) {    let spec;    [spec, prefix] = flexSpec(prefix);    if (spec !== 2009) {      return super.insert(decl, prefix, prefixes);    }    let already = decl.parent.some(      (i) =>        i.prop === prefix + "box-orient" || i.prop === prefix + "box-direction",    );    if (already) {      return undefined;    }
    let v = decl.value;    let orient, dir;    if (v === "inherit" || v === "initial" || v === "unset") {      orient = v;      dir = v;    } else {      orient = v.includes("row") ? "horizontal" : "vertical";      dir = v.includes("reverse") ? "reverse" : "normal";    }
    let cloned = this.clone(decl);    cloned.prop = prefix + "box-orient";    cloned.value = orient;    if (this.needCascade(decl)) {      cloned.raws.before = this.calcBefore(prefixes, decl, prefix);    }    decl.parent.insertBefore(decl, cloned);
    cloned = this.clone(decl);    cloned.prop = prefix + "box-direction";    cloned.value = dir;    if (this.needCascade(decl)) {      cloned.raws.before = this.calcBefore(prefixes, decl, prefix);    }    return decl.parent.insertBefore(decl, cloned);  }
  /**   * Clean two properties for 2009 spec   */  old(prop, prefix) {    let spec;    [spec, prefix] = flexSpec(prefix);    if (spec === 2009) {      return [prefix + "box-orient", prefix + "box-direction"];    } else {      return super.old(prop, prefix);    }  }}
FlexDirection.names = ["flex-direction", "box-direction", "box-orient"];
export default FlexDirection;