12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091
import Declaration from "../declaration.js";
class MaskComposite extends Declaration {  /**   * Prefix mask-composite for webkit   */  insert(decl, prefix, prefixes) {    let isCompositeProp = decl.prop === "mask-composite";
    let compositeValues;
    if (isCompositeProp) {      compositeValues = decl.value.split(",");    } else {      compositeValues = decl.value.match(MaskComposite.regexp) || [];    }
    compositeValues = compositeValues.map((el) => el.trim()).filter((el) => el);    let hasCompositeValues = compositeValues.length;
    let compositeDecl;
    if (hasCompositeValues) {      compositeDecl = this.clone(decl);      compositeDecl.value = compositeValues        .map((value) => MaskComposite.oldValues[value] || value)        .join(", ");
      if (compositeValues.includes("intersect")) {        compositeDecl.value += ", xor";      }
      compositeDecl.prop = prefix + "mask-composite";    }
    if (isCompositeProp) {      if (!hasCompositeValues) {        return undefined;      }
      if (this.needCascade(decl)) {        compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix);      }
      return decl.parent.insertBefore(decl, compositeDecl);    }
    let cloned = this.clone(decl);    cloned.prop = prefix + cloned.prop;
    if (hasCompositeValues) {      cloned.value = cloned.value.replace(MaskComposite.regexp, "");    }
    if (this.needCascade(decl)) {      cloned.raws.before = this.calcBefore(prefixes, decl, prefix);    }
    decl.parent.insertBefore(decl, cloned);
    if (!hasCompositeValues) {      return decl;    }
    if (this.needCascade(decl)) {      compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix);    }    return decl.parent.insertBefore(decl, compositeDecl);  }}
MaskComposite.names = ["mask", "mask-composite"];
MaskComposite.oldValues = {  add: "source-over",  subtract: "source-out",  intersect: "source-in",  exclude: "xor",};
MaskComposite.regexp = new RegExp(  `\\s+(${    Object.keys(MaskComposite.oldValues).join(      "|",    )  })\\b(?!\\))\\s*(?=[,])`,  "ig",);
export default MaskComposite;