@wordpress/interactivity-router/build-module/assets/dynamic-importmap/resolver.mjs

Package that exposes state and actions from the `core/router` store, part of the Interactivity API.

// packages/interactivity-router/src/assets/dynamic-importmap/resolver.ts
var backslashRegEx = /\\/g;
function isURL(url) {
  if (url.indexOf(":") === -1) {
    return false;
  }
  try {
    new URL(url);
    return true;
  } catch {
    return false;
  }
}
function resolveIfNotPlainOrUrl(relUrl, parentUrl) {
  const hIdx = parentUrl.indexOf("#"), qIdx = parentUrl.indexOf("?");
  if (hIdx + qIdx > -2) {
    parentUrl = parentUrl.slice(
      0,
      // eslint-disable-next-line no-nested-ternary
      hIdx === -1 ? qIdx : qIdx === -1 || qIdx > hIdx ? hIdx : qIdx
    );
  }
  if (relUrl.indexOf("\\") !== -1) {
    relUrl = relUrl.replace(backslashRegEx, "/");
  }
  if (relUrl[0] === "/" && relUrl[1] === "/") {
    return parentUrl.slice(0, parentUrl.indexOf(":") + 1) + relUrl;
  } else if (relUrl[0] === "." && (relUrl[1] === "/" || relUrl[1] === "." && (relUrl[2] === "/" || relUrl.length === 2 && (relUrl += "/")) || relUrl.length === 1 && (relUrl += "/")) || relUrl[0] === "/") {
    const parentProtocol = parentUrl.slice(
      0,
      parentUrl.indexOf(":") + 1
    );
    let pathname;
    if (parentUrl[parentProtocol.length + 1] === "/") {
      if (parentProtocol !== "file:") {
        pathname = parentUrl.slice(parentProtocol.length + 2);
        pathname = pathname.slice(pathname.indexOf("/") + 1);
      } else {
        pathname = parentUrl.slice(8);
      }
    } else {
      pathname = parentUrl.slice(
        parentProtocol.length + (parentUrl[parentProtocol.length] === "/")
      );
    }
    if (relUrl[0] === "/") {
      return parentUrl.slice(0, parentUrl.length - pathname.length - 1) + relUrl;
    }
    const segmented = pathname.slice(0, pathname.lastIndexOf("/") + 1) + relUrl;
    const output = [];
    let segmentIndex = -1;
    for (let i = 0; i < segmented.length; i++) {
      if (segmentIndex !== -1) {
        if (segmented[i] === "/") {
          output.push(segmented.slice(segmentIndex, i + 1));
          segmentIndex = -1;
        }
        continue;
      } else if (segmented[i] === ".") {
        if (segmented[i + 1] === "." && (segmented[i + 2] === "/" || i + 2 === segmented.length)) {
          output.pop();
          i += 2;
          continue;
        } else if (segmented[i + 1] === "/" || i + 1 === segmented.length) {
          i += 1;
          continue;
        }
      }
      while (segmented[i] === "/") {
        i++;
      }
      segmentIndex = i;
    }
    if (segmentIndex !== -1) {
      output.push(segmented.slice(segmentIndex));
    }
    return parentUrl.slice(0, parentUrl.length - pathname.length) + output.join("");
  }
}
function resolveUrl(relUrl, parentUrl) {
  return resolveIfNotPlainOrUrl(relUrl, parentUrl) || (isURL(relUrl) ? relUrl : resolveIfNotPlainOrUrl("./" + relUrl, parentUrl));
}
function getMatch(path, matchObj) {
  if (matchObj[path]) {
    return path;
  }
  let sepIndex = path.length;
  do {
    const segment = path.slice(0, sepIndex + 1);
    if (segment in matchObj) {
      return segment;
    }
  } while ((sepIndex = path.lastIndexOf("/", sepIndex - 1)) !== -1);
}
function applyPackages(id, packages) {
  const pkgName = getMatch(id, packages);
  if (pkgName) {
    const pkg = packages[pkgName];
    if (pkg === null) {
      return;
    }
    return pkg + id.slice(pkgName.length);
  }
}
function resolveImportMap(importMap2, resolvedOrPlain, parentUrl) {
  let scopeUrl = parentUrl && getMatch(parentUrl, importMap2.scopes);
  while (scopeUrl) {
    const packageResolution = applyPackages(
      resolvedOrPlain,
      importMap2.scopes[scopeUrl]
    );
    if (packageResolution) {
      return packageResolution;
    }
    scopeUrl = getMatch(
      scopeUrl.slice(0, scopeUrl.lastIndexOf("/")),
      importMap2.scopes
    );
  }
  return applyPackages(resolvedOrPlain, importMap2.imports) || resolvedOrPlain.indexOf(":") !== -1 && resolvedOrPlain;
}
function resolveAndComposePackages(packages, outPackages, baseUrl2, parentMap) {
  for (const p in packages) {
    const resolvedLhs = resolveIfNotPlainOrUrl(p, baseUrl2) || p;
    const target = packages[p];
    if (typeof target !== "string") {
      continue;
    }
    const mapped = resolveImportMap(
      parentMap,
      resolveIfNotPlainOrUrl(target, baseUrl2) || target,
      baseUrl2
    );
    if (mapped) {
      outPackages[resolvedLhs] = mapped;
      continue;
    }
  }
}
function resolveAndComposeImportMap(json, baseUrl2, parentMap) {
  const outMap = {
    imports: Object.assign({}, parentMap.imports),
    scopes: Object.assign({}, parentMap.scopes)
  };
  if (json.imports) {
    resolveAndComposePackages(
      json.imports,
      outMap.imports,
      baseUrl2,
      parentMap
    );
  }
  if (json.scopes) {
    for (const s in json.scopes) {
      const resolvedScope = resolveUrl(s, baseUrl2);
      resolveAndComposePackages(
        json.scopes[s],
        outMap.scopes[resolvedScope] || (outMap.scopes[resolvedScope] = {}),
        baseUrl2,
        parentMap
      );
    }
  }
  return outMap;
}
var importMap = { imports: {}, scopes: {} };
var baseUrl = document.baseURI;
var pageBaseUrl = baseUrl;
function addImportMap(importMapIn) {
  importMap = resolveAndComposeImportMap(
    importMapIn,
    pageBaseUrl,
    importMap
  );
}
function resolve(id, parentUrl) {
  const urlResolved = resolveIfNotPlainOrUrl(id, parentUrl);
  return resolveImportMap(importMap, urlResolved || id, parentUrl) || id;
}
export {
  addImportMap,
  resolve
};
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