89 lines
2.1 KiB
JavaScript
89 lines
2.1 KiB
JavaScript
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"use strict";
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var path = require("path");
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var fs = require("fs");
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var _ = require("../../lodash.custom");
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var utils = require("../utils");
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var opts = require("./cli-options").utils;
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/**
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* $ browser-sync start <options>
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*
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* This commands starts the Browsersync servers
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* & Optionally UI.
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*
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* @param opts
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* @returns {Function}
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*/
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module.exports = function (opts) {
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var flags = preprocessFlags(opts.cli.flags);
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var maybepkg = path.resolve(process.cwd(), "package.json");
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var input = flags;
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if (flags.config) {
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var maybeconf = path.resolve(process.cwd(), flags.config);
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if (fs.existsSync(maybeconf)) {
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var conf = require(maybeconf);
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input = _.merge({}, conf, flags);
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} else {
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utils.fail(true, new Error("Configuration file '" + flags.config + "' not found"), opts.cb);
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}
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} else {
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if (fs.existsSync(maybepkg)) {
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var pkg = require(maybepkg);
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if (pkg["browser-sync"]) {
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console.log("> Configuration obtained from package.json");
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input = _.merge({}, pkg["browser-sync"], flags);
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}
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}
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}
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return require("../../")
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.create("cli")
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.init(input, opts.cb);
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};
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/**
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* @param flags
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* @returns {*}
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*/
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function preprocessFlags (flags) {
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return [
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stripUndefined,
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legacyFilesArgs
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].reduce(function (flags, fn) {
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return fn.call(null, flags);
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}, flags);
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}
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/**
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* Incoming undefined values are problematic as
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* they interfere with Immutable.Map.mergeDeep
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* @param subject
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* @returns {*}
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*/
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function stripUndefined (subject) {
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return Object.keys(subject).reduce(function (acc, key) {
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var value = subject[key];
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if (typeof value === "undefined") {
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return acc;
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}
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acc[key] = value;
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return acc;
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}, {});
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}
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/**
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* @param flags
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* @returns {*}
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*/
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function legacyFilesArgs(flags) {
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if (flags.files && flags.files.length) {
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flags.files = flags.files.reduce(function (acc, item) {
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return acc.concat(opts.explodeFilesArg(item));
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}, []);
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}
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return flags;
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}
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