ember-cli-eyeglass/lib/index.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
const EyeglassCompiler = require("broccoli-eyeglass");
const Eyeglass = require("eyeglass");
const findHost_1 = __importDefault(require("./findHost"));
const MergeTrees = require("broccoli-merge-trees");
const path = __importStar(require("path"));
const cloneDeep = require("lodash.clonedeep");
const defaultsDeep = require("lodash.defaultsdeep");
const broccoli_ln_s_1 = require("./broccoli-ln-s");
const debugGenerator = require("debug");
const url_1 = require("url");
const debug = debugGenerator("ember-cli-eyeglass");
const debugSetup = debug.extend("setup");
const debugBuild = debug.extend("build");
const debugCache = debug.extend("cache");
const debugAssets = debug.extend("assets");
const g = global;
if (!g.EYEGLASS) {
    g.EYEGLASS = {
        infoPerAddon: new WeakMap(),
        infoPerApp: new WeakMap(),
        projectInfo: {
            apps: []
        }
    };
}
const EYEGLASS_INFO_PER_ADDON = g.EYEGLASS.infoPerAddon;
const EYEGLASS_INFO_PER_APP = g.EYEGLASS.infoPerApp;
const APPS = g.EYEGLASS.projectInfo.apps;
//eslint-disable-next-line @typescript-eslint/no-explicit-any
function isLazyEngine(addon) {
    if (addon.lazyLoading === true) {
        // pre-ember-engines 0.5.6 lazyLoading flag
        return true;
    }
    if (addon.lazyLoading && addon.lazyLoading.enabled === true) {
        return true;
    }
    return false;
}
//eslint-disable-next-line @typescript-eslint/no-explicit-any
function getDefaultAssetHttpPrefix(parent) {
    // the default http prefix differs between Ember app and lazy Ember engine
    // iterate over the parent's chain and look for a lazy engine or there are
    // no more parents, which means we've reached the Ember app project
    let current = parent;
    while (current.parent) {
        if (isLazyEngine(current)) {
            // only lazy engines will inline their assets in the engines-dist folder
            return `engines-dist/${current.name}/assets`;
        }
        current = current.parent;
    }
    // at this point, the highlevel container is Ember app and we should use the default 'assets' prefix
    return 'assets';
}
/* addon.addons forms a tree(graph?) of addon objects that allow us to traverse the
 * ember addon dependencies.  However there's no path information in the addon object,
 * but each addon object has some disconnected metadata in addon.addonPackages
 * with the path info. Unfortunately there's no shared information that would
 * allow us to connect which addon packages are actually which addon objects.
 * It would be great if ember-cli didn't throw that information on the ground
 * while building these objects. It would also be marvelous if we knew which
 * addons came from a local addon declaration and which ones came from node
 * modules.
 **/
function localEyeglassAddons(addon) {
    let paths = new Array();
    if (typeof addon.addons !== 'object' ||
        typeof addon.addonPackages !== 'object') {
        return paths;
    }
    let packages = Object.keys(addon.addonPackages);
    for (let i = 0; i < packages.length; i++) {
        let p = addon.addonPackages[packages[i]];
        // Note: this will end up creating manual addons for things in node modules
        // that are actually auto discovered, these manual modules will get deduped
        // out.  but we need to add all of them because the some eyeglass modules
        // for addons & engines won't get autodiscovered otherwise unless the
        // addons/engines are themselves eyeglass modules (which we don't want to require).
        if (p.pkg.keywords.some(kw => kw == 'eyeglass-module')) {
            paths.push({ path: p.path });
        }
    }
    // TODO: if there's a cycle in the addon graph don't recurse.
    for (let i = 0; i < addon.addons.length; i++) {
        paths = paths.concat(localEyeglassAddons(addon.addons[i]));
    }
    return paths;
}
const EMBER_CLI_EYEGLASS = {
    name: require("../package.json").name,
    included(parent) {
        this._super.included.apply(this, arguments);
        this.initSelf();
    },
    initSelf() {
        if (EYEGLASS_INFO_PER_ADDON.has(this))
            return;
        let app = findHost_1.default(this);
        if (!app)
            return;
        let isApp = (this.app === app);
        let name = app.name;
        if (!isApp) {
            let thisName = typeof this.parent.name === "function" ? this.parent.name() : this.parent.name;
            name = `${name}/${thisName}`;
        }
        let parentPath = this.parent.root;
        debugSetup("Initializing %s with eyeglass support for %s at %s", isApp ? "app" : "addon", name, parentPath);
        if (isApp) {
            APPS.push(app);
            // we create the symlinker in persistent mode because there's not a good
            // way yet to recreate the symlinks when sass files are cached. I would
            // worry about it more but it seems like the dist directory is cumulative
            // across builds anyway.
            EYEGLASS_INFO_PER_APP.set(app, {
                sessionCache: new Map(),
                assets: new broccoli_ln_s_1.BroccoliSymbolicLinker({}, { annotation: app.name, persistentOutput: true })
            });
        }
        let addonInfo = { isApp, name, parentPath, app };
        EYEGLASS_INFO_PER_ADDON.set(this, addonInfo);
    },
    postBuild(_result) {
        debugBuild("Build Succeeded.");
        this._resetCaches();
    },
    _resetCaches() {
        debugCache("clearing eyeglass global cache");
        Eyeglass.resetGlobalCaches();
        for (let app of APPS) {
            let appInfo = EYEGLASS_INFO_PER_APP.get(app);
            appInfo.assets.reset();
            debugCache("clearing %d cached items from the eyeglass build cache for %s", appInfo.sessionCache.size, app.name);
            appInfo.sessionCache.clear();
        }
    },
    buildError(_error) {
        debugBuild("Build Failed.");
        this._resetCaches();
    },
    postprocessTree(type, tree) {
        let addonInfo = EYEGLASS_INFO_PER_ADDON.get(this);
        if (type === "all" && addonInfo.isApp) {
            debugBuild("Merging eyeglass asset tree with the '%s' tree", type);
            let appInfo = EYEGLASS_INFO_PER_APP.get(addonInfo.app);
            return new MergeTrees([tree, appInfo.assets], { overwrite: true });
        }
        else {
            return tree;
        }
    },
    setupPreprocessorRegistry(type, registry) {
        let addon = this;
        registry.add('css', {
            name: 'eyeglass',
            ext: 'scss',
            toTree: (tree, inputPath, outputPath) => {
                // These start with a slash and that messes things up.
                let cssDir = outputPath.slice(1) || './';
                let sassDir = inputPath.slice(1) || './';
                let { app, name } = EYEGLASS_INFO_PER_ADDON.get(this);
                let extracted = this.extractConfig(app, addon);
                extracted.cssDir = cssDir;
                extracted.sassDir = sassDir;
                const config = this.setupConfig(extracted);
                debugSetup("Broccoli Configuration for %s: %O", name, config);
                let httpRoot = config.eyeglass && config.eyeglass.httpRoot || "/";
                let compiler = new EyeglassCompiler(tree, config);
                compiler.events.on("cached-asset", (absolutePathToSource, httpPathToOutput) => {
                    debugBuild("will symlink %s to %s", absolutePathToSource, httpPathToOutput);
                    try {
                        this.linkAsset(absolutePathToSource, httpRoot, httpPathToOutput);
                    }
                    catch (e) {
                        // pass this only happens with a cache after downgrading ember-cli.
                    }
                });
                return compiler;
            }
        });
    },
    extractConfig(host, addon) {
        const isNestedAddon = typeof addon.parent.parent === 'object';
        // setup eyeglass for this project's configuration
        const hostConfig = cloneDeep(host.options.eyeglass || {});
        const addonConfig = isNestedAddon ? cloneDeep(addon.parent.options.eyeglass || {}) : {};
        return defaultsDeep(addonConfig, hostConfig);
    },
    linkAsset(srcFile, httpRoot, destUri) {
        let rootPath = httpRoot.startsWith("/") ? httpRoot.substring(1) : httpRoot;
        let destPath = destUri.startsWith("/") ? destUri.substring(1) : destUri;
        if (process.platform === "win32") {
            destPath = convertURLToPath(destPath);
            rootPath = convertURLToPath(rootPath);
        }
        if (destPath.startsWith(rootPath)) {
            destPath = path.relative(rootPath, destPath);
        }
        let { app } = EYEGLASS_INFO_PER_ADDON.get(this);
        let { assets } = EYEGLASS_INFO_PER_APP.get(app);
        debugAssets("Will link asset %s to %s to expose it at %s relative to %s", srcFile, destPath, destUri, httpRoot);
        return assets.ln_s(srcFile, destPath);
    },
    setupConfig(config, options) {
        let { isApp, app, parentPath } = EYEGLASS_INFO_PER_ADDON.get(this);
        let { sessionCache } = EYEGLASS_INFO_PER_APP.get(app);
        config.sessionCache = sessionCache;
        config.annotation = `EyeglassCompiler(${parentPath})`;
        if (!config.sourceFiles && !config.discover) {
            config.sourceFiles = [isApp ? 'app.scss' : 'addon.scss'];
        }
        config.assets = ['public', 'app'].concat(config.assets || []);
        config.eyeglass = config.eyeglass || {};
        // XXX We don't set the root anywhere but I'm not sure what might break if we do.
        // config.eyeglass.root = parentPath;
        config.eyeglass.httpRoot = config.eyeglass.httpRoot || config["httpRoot"];
        if (config.persistentCache) {
            let cacheDir = parentPath.replace(/\//g, "$");
            config.persistentCache += `/${cacheDir}`;
        }
        config.assetsHttpPrefix = config.assetsHttpPrefix || getDefaultAssetHttpPrefix(this.parent);
        if (config.eyeglass.modules) {
            config.eyeglass.modules =
                config.eyeglass.modules.concat(localEyeglassAddons(this.parent));
        }
        else {
            config.eyeglass.modules = localEyeglassAddons(this.parent);
        }
        let originalConfigureEyeglass = config.configureEyeglass;
        config.configureEyeglass = (eyeglass, sass, details) => {
            eyeglass.assets.installer((file, uri, fallbackInstaller, cb) => {
                try {
                    cb(null, this.linkAsset(file, eyeglass.options.eyeglass.httpRoot || "/", uri));
                }
                catch (e) {
                    cb(e);
                }
            });
            if (originalConfigureEyeglass) {
                originalConfigureEyeglass(eyeglass, sass, details);
            }
        };
        // If building an app, rename app.css to <project>.css per Ember conventions.
        // Otherwise, we're building an addon, so rename addon.css to <name-of-addon>.css.
        let originalGenerator = config.optionsGenerator;
        config.optionsGenerator = (sassFile, cssFile, sassOptions, compilationCallback) => {
            if (isApp) {
                cssFile = cssFile.replace(/app\.css$/, `${this.app.name}.css`);
            }
            else {
                cssFile = cssFile.replace(/addon\.css$/, `${this.parent.name}.css`);
            }
            if (originalGenerator) {
                originalGenerator(sassFile, cssFile, sassOptions, compilationCallback);
            }
            else {
                compilationCallback(cssFile, sassOptions);
            }
        };
        return config;
    }
};
function convertURLToPath(fragment) {
    return (new url_1.URL(`file://${fragment}`)).pathname;
}
module.exports = EMBER_CLI_EYEGLASS;
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