118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
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var fs = require("fs");
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var path = require("path");
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var Immutable = require("immutable");
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/**
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* Take Browsersync plugins and determine if
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* any UI is provided by looking at data in the the
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* modules package.json file
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* @param plugins
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* @returns {*}
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*/
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module.exports = function (plugins) {
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return require("immutable")
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.fromJS(plugins)
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/**
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* Exclude the UI
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*/
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.filter(function (plugin) {
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return plugin.get("name") !== "UI";
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})
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/**
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* Attempt to retrieve a plugins package.json file
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*/
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.map(function (plugin) {
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var moduleName = plugin.getIn(["opts", "moduleName"]);
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var pkg = {};
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if (!moduleName) {
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return plugin;
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}
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try {
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pkg = require("immutable").fromJS(require(path.join(moduleName, "package.json")));
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} catch (e) {
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console.error(e);
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return plugin;
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}
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plugin = plugin.set("pkg", pkg);
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return plugin.set("relpath", path.dirname(require.resolve(moduleName)));
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})
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/**
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* Try to load markup for each plugin
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*/
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.map(function (plugin) {
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if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
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return plugin;
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}
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var markup = plugin.getIn(["pkg", "browser-sync:ui", "hooks", "markup"]);
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if (markup) {
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plugin = plugin.set("markup", fs.readFileSync(path.resolve(plugin.get("relpath"), markup), "utf8"));
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}
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return plugin;
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})
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/**
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* Load any template files for the plugin
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*/
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.map(function (plugin) {
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if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
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return plugin;
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}
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return resolveIfPluginHas(["pkg", "browser-sync:ui", "hooks", "templates"], "templates", plugin);
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})
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/**
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* Try to load Client JS for each plugin
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*/
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.map(function (plugin) {
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if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
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return plugin;
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}
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return resolveIfPluginHas(["pkg", "browser-sync:ui", "hooks", "client:js"], "client:js", plugin);
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});
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};
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/**
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* If a plugin contains this option path, resolve/read the files
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* @param {Array} optPath - How to access the collection
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* @param {String} propName - Key for property access
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* @param {Immutable.Map} plugin
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* @returns {*}
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*/
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function resolveIfPluginHas(optPath, propName, plugin) {
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var opt = plugin.getIn(optPath);
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if (opt.size) {
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return plugin.set(
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propName,
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resolvePluginFiles(opt, plugin.get("relpath"))
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);
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}
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return plugin;
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}
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/**
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* Read & store a file from a plugin
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* @param {Array|Immutable.List} collection
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* @param {String} relPath
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* @returns {any}
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*/
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function resolvePluginFiles (collection, relPath) {
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return Immutable.fromJS(collection.reduce(function (all, item) {
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var full = path.join(relPath, item);
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if (fs.existsSync(full)) {
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all[full] = fs.readFileSync(full, "utf8");
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}
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return all;
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}, {}));
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}
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