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import fs from "node:fs";
import { TemplatePath } from "@11ty/eleventy-utils";
// import debugUtil from "debug";
// const debug = debugUtil("Eleventy:TemplateLayoutPathResolver");
class TemplateLayoutPathResolver {
constructor(path, extensionMap, templateConfig) {
if (!templateConfig) {
throw new Error("Expected `templateConfig` in TemplateLayoutPathResolver constructor");
}
this.templateConfig = templateConfig;
this.originalPath = path;
this.originalDisplayPath =
TemplatePath.join(this.layoutsDir, this.originalPath) +
` (via \`layout: ${this.originalPath}\`)`; // for error messaging
this.path = path;
this.aliases = {};
this.extensionMap = extensionMap;
if (!extensionMap) {
throw new Error("Expected `extensionMap` in TemplateLayoutPathResolver constructor.");
}
this.init();
}
getVirtualTemplate(layoutPath) {
let inputDirRelativePath =
this.templateConfig.directories.getLayoutPathRelativeToInputDirectory(layoutPath);
return this.config.virtualTemplates[inputDirRelativePath];
}
get dirs() {
return this.templateConfig.directories;
}
get inputDir() {
return this.dirs.input;
}
get layoutsDir() {
return this.dirs.layouts || this.dirs.includes;
}
/* Backwards compat */
getLayoutsDir() {
return this.layoutsDir;
}
setAliases() {
this.aliases = Object.assign({}, this.config.layoutAliases, this.aliases);
}
// for testing
set config(cfg) {
this._config = cfg;
this.init();
}
get config() {
if (!this.templateConfig) {
throw new Error("Internal error: Missing this.templateConfig");
}
return this.templateConfig.getConfig();
}
exists(layoutPath) {
if (this.getVirtualTemplate(layoutPath)) {
return true;
}
let fullPath = this.templateConfig.directories.getLayoutPath(layoutPath);
if (this.templateConfig.existsCache.exists(fullPath)) {
return true;
}
return false;
}
init() {
// we might be able to move this into the constructor?
this.aliases = Object.assign({}, this.config.layoutAliases, this.aliases);
if (this.aliases[this.path]) {
this.path = this.aliases[this.path];
}
let useLayoutResolution = this.config.layoutResolution;
if (this.path.split(".").length > 0 && this.exists(this.path)) {
this.filename = this.path;
this.fullPath = this.templateConfig.directories.getLayoutPath(this.path);
} else if (useLayoutResolution) {
this.filename = this.findFileName();
this.fullPath = this.templateConfig.directories.getLayoutPath(this.filename || "");
}
}
addLayoutAlias(from, to) {
this.aliases[from] = to;
}
getFileName() {
if (!this.filename) {
throw new Error(
`You’re trying to use a layout that does not exist: ${this.originalDisplayPath}`,
);
}
return this.filename;
}
getFullPath() {
if (!this.filename) {
throw new Error(
`You’re trying to use a layout that does not exist: ${this.originalDisplayPath}`,
);
}
return this.fullPath;
}
findFileName() {
for (let filename of this.extensionMap.getFileList(this.path)) {
if (this.exists(filename)) {
return filename;
}
}
}
getNormalizedLayoutKey() {
return TemplatePath.stripLeadingSubPath(this.fullPath, this.layoutsDir);
}
}
export default TemplateLayoutPathResolver;
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