171 lines
4.7 KiB
JavaScript
171 lines
4.7 KiB
JavaScript
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var Immutable = require("immutable");
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var Map = Immutable.Map;
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var isMap = Immutable.Map.isMap;
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var List = Immutable.List;
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var qs = require("qs");
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var path = require("path");
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var fs = require("fs");
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var Plugin = Immutable.Record({
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moduleName: "",
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name: "",
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active: true,
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module: undefined,
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options: Map({}),
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via: "inline",
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dir: process.cwd(),
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init: undefined,
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errors: List([])
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});
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/**
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* Accept a string/object
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* and resolve it into the plugin format above
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* @param item
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* @returns {*}
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*/
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function resolvePlugin(item) {
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/**
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* Handle when string was given, such as plugins: ['bs-html-injector']
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*/
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if (typeof item === "string") {
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return getFromString(item);
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}
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if (!isMap(item)) {
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return new Plugin().mergeDeep({
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errors: [new Error("Plugin not supported in this format")]
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});
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}
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if (item.has("module")) {
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var nameOrObj = item.get("module");
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var options = item.get("options");
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/**
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* The 'module' key can be a string, this allows
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* inline plugin references, but with options
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* eg:
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*
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* bs.init({
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* plugins: [
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* {
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* module: './myjs-file.js'
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* options: {
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* files: "*.html"
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* }
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* }
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* ]
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* });
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*/
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if (typeof nameOrObj === "string") {
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return getFromString(nameOrObj).mergeDeep({
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options: options
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});
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}
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/**
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* If the plugin was given completely inline (because it needs options)
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* eg:
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*
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* bs.init({
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* plugins: [
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* {
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* module: {
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* plugin: function() {
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* console.log('My plugin code')
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* }
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* },
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* options: {
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* files: "*.html"
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* }
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* }
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* ]
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* })
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*/
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if (Immutable.Map.isMap(nameOrObj)) {
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return new Plugin({
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module: nameOrObj,
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options: options
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});
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}
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}
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/**
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* If a module was given directly. For example, ater calling require.
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*
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* eg:
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* var myplugin = require('./some-js');
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* bs.init({plugins: [myplugin]});
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*/
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if (item.has("plugin")) {
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return new Plugin({
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module: item
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});
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}
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/**
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* If we reach here, the plugin option was used incorrectly
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*/
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return new Plugin().mergeDeep({
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errors: [new Error("Plugin was not configured correctly")]
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});
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}
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module.exports.resolvePlugin = resolvePlugin;
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/**
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* Load a plugin from disk
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* @param item
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* @returns {*}
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*/
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function requirePlugin(item) {
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/**
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* if the "module" property already exists and
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* is not a string, then we bail and don't bother looking
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* for the file
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*/
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if (item.get("module") && typeof item.get("module") !== "string") {
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return item;
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}
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try {
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/**
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* Try a raw node require() call - this will be how
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* regular "npm installed" plugins wil work
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*/
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var maybe = require.resolve(item.get("name"));
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return item.set("module", require(maybe));
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}
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catch (e) {
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/**
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* If require threw an MODULE_NOT_FOUND error, try again
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* by resolving from cwd. This is needed since cli
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* users will not add ./ to the front of a path (which
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* node requires to resolve from cwd)
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*/
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if (e.code === "MODULE_NOT_FOUND") {
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var maybe = path.resolve(process.cwd(), item.get("name"));
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if (fs.existsSync(maybe)) {
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return item.set("module", require(maybe));
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}
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else {
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/**
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* Finally return a plugin that contains the error
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* this will be picked up later and discarded
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*/
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return item.update("errors", function (errors) {
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return errors.concat(e);
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});
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}
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}
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throw e;
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}
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}
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module.exports.requirePlugin = requirePlugin;
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function getFromString(string) {
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/**
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* We allow query strings for plugins, so always split on ?
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*/
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var split = string.split("?");
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var outGoing = new Plugin({
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moduleName: split[0],
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name: split[0]
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});
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if (split.length > 1) {
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return outGoing.update("options", function (opts) {
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return opts.mergeDeep(qs.parse(split[1]));
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});
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}
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return outGoing;
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}
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//# sourceMappingURL=plugins.js.map
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