automate option generation
This commit is contained in:
Sebastian McKenzie
parent
a8cedf813b
commit
5a319fd553
@ -2,32 +2,38 @@
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var commander = require("commander");
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var transform = require("../../lib/babel/transformation");
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var kebabCase = require("lodash/string/kebabCase");
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var File = require("../../lib/babel/transformation/file");
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var util = require("../../lib/babel/util");
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var fs = require("fs");
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var each = require("lodash/collection/each");
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var keys = require("lodash/object/keys");
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var fs = require("fs");
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each(File.options, function (option, key) {
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if (option.hidden) return;
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var arg = kebabCase(key);
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if (option.type !== "boolean") {
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arg += ` [${option.type || "string"}]`;
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}
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if (option.type === "boolean" && option.default === true) {
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arg = `no-${key}`;
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}
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arg = `--${arg}`;
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if (option.shorthand) {
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arg = `-${option.shorthand}, ${arg}`;
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}
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commander.option(arg, option.description);
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})
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commander.option("-t, --source-maps-inline", "Append sourceMappingURL comment to bottom of code");
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commander.option("-s, --source-maps", "Save source map alongside the compiled code");
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commander.option("-f, --filename [filename]", "Filename to use when reading from stdin - this will be used in source-maps, errors etc [stdin]", "stdin");
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commander.option("-w, --watch", "Recompile files on changes");
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commander.option("-r, --external-helpers", "Replace helpers with references to a `babelHelpers` global");
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commander.option("-e, --experimental", "Enable experimental support for proposed ES7 features");
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commander.option("-p, --playground", "Enable playground support");
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commander.option("-c, --compact [mode]", "When set to \"auto\" compact is `true` when the input size exceeds 100KB. (auto|true|false)", "auto");
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commander.option("-m, --modules [modules]", "Module formatter type to use [common]", "common");
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commander.option("-l, --whitelist [whitelist]", "Whitelist of transformers to ONLY use", util.list);
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commander.option("-b, --blacklist [blacklist]", "Blacklist of transformers to NOT use", util.list);
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commander.option("-i, --optional [list]", "List of optional transformers to enable", util.list);
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commander.option("-L, --loose [list]", "List of transformers to enable loose mode ON", util.list);
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commander.option("-o, --out-file [out]", "Compile all input files into a single file");
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commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
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commander.option("-c, --remove-comments", "Remove comments from the compiled code", false);
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commander.option("-M, --module-ids", "Insert module id in modules", false);
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commander.option("-R, --react-compat", "Makes the react transformer produce pre-v0.12 code");
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commander.option("--keep-module-id-extensions", "Keep extensions when generating module ids", false);
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commander.option("-a, --auxiliary-comment [comment]", "Comment text to prepend to all auxiliary code");
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commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
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commander.on("--help", function () {
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@ -38,9 +44,7 @@ commander.on("--help", function () {
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each(keys(obj).sort(), function (key) {
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if (key[0] === "_") return;
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if (obj[key].optional) {
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key = "[" + key + "]";
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}
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if (obj[key].optional) key = `[${key}]`;
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console.log(" - " + key);
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});
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@ -100,24 +104,11 @@ if (errors.length) {
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//
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exports.opts = {
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keepModuleIdExtensions: commander.keepModuleIdExtensions,
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auxiliaryComment: commander.auxiliaryComment,
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externalHelpers: commander.externalHelpers,
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sourceMapName: commander.outFile,
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experimental: commander.experimental,
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reactCompat: commander.reactCompat,
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playground: commander.playground,
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moduleIds: commander.moduleIds,
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blacklist: commander.blacklist,
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whitelist: commander.whitelist,
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sourceMap: commander.sourceMaps || commander.sourceMapsInline,
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optional: commander.optional,
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comments: !commander.removeComments,
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modules: commander.modules,
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compact: commander.compact,
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loose: commander.loose
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};
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exports.opts = {};
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each(File.options, function (opt, key) {
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exports.opts[key] = commander[key];
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});
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var fn;
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@ -82,52 +82,7 @@ export default class File {
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"self-global"
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];
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static validOptions = [
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"filename",
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"filenameRelative",
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"blacklist",
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"whitelist",
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"optional",
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"loose",
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"playground",
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"experimental",
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"modules",
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"moduleIds",
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"moduleId",
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"resolveModuleSource",
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"keepModuleIdExtensions",
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"code",
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"ast",
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"comments",
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"compact",
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"auxiliaryComment",
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"externalHelpers",
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"returnUsedHelpers",
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"inputSourceMap",
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"sourceMap",
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"sourceMapName",
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"sourceFileName",
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"sourceRoot",
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"moduleRoot",
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"ignore",
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"only",
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// legacy
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"format",
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"reactCompat",
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// these are used by plugins
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"extensions",
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"accept"
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];
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static options = require("./options");
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normalizeOptions(opts: Object) {
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opts = assign({}, opts);
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@ -136,36 +91,32 @@ export default class File {
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opts = resolveRc(opts.filename, opts);
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}
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for (var key in opts) {
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if (key[0] !== "_" && File.validOptions.indexOf(key) < 0) {
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throw new ReferenceError(`Unknown option: ${key}`);
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}
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//
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for (let key in opts) {
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if (key[0] === "_") continue;
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let option = File.options[key];
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if (!option) throw new ReferenceError(`Unknown option: ${key}`);
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}
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for (let key in File.options) {
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let option = File.options[key];
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var val = opts[key];
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if (val == null) val = option.default || null;
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opts[key] = val;
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}
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//
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defaults(opts, {
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keepModuleIdExtensions: false,
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resolveModuleSource: null,
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returnUsedHelpers: false,
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externalHelpers: false,
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auxilaryComment: "",
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inputSourceMap: null,
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experimental: false,
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reactCompat: false,
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playground: false,
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moduleIds: false,
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blacklist: [],
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whitelist: [],
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sourceMap: false,
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optional: [],
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comments: true,
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filename: "unknown",
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modules: "common",
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compact: "auto",
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loose: [],
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ignore: [],
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only: [],
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code: true,
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ast: true
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blacklist: [],
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whitelist: [],
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optional: [],
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loose: [],
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ignore: [],
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only: [],
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});
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if (opts.inputSourceMap) {
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@ -213,9 +164,7 @@ export default class File {
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sourceMapName: opts.filenameRelative
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});
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if (opts.playground) {
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opts.experimental = true;
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}
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//
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if (opts.externalHelpers) {
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this.set("helpersNamespace", t.identifier("babelHelpers"));
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@ -226,15 +175,6 @@ export default class File {
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opts.optional = transform._ensureTransformerNames("optional", opts.optional);
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opts.loose = transform._ensureTransformerNames("loose", opts.loose);
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var ensureEnabled = function (key) {
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var namespace = transform.transformerNamespaces[key];
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if (namespace === "es7") opts.experimental = true;
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if (namespace === "playground") opts.playground = true;
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};
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each(opts.whitelist, ensureEnabled);
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each(opts.optional, ensureEnabled);
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return opts;
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};
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@ -242,6 +182,10 @@ export default class File {
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return includes(this.opts.loose, key);
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}
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buildPlugins(stack) {
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}
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buildTransformers() {
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var file = this;
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@ -250,6 +194,8 @@ export default class File {
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var secondaryStack = [];
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var stack = [];
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this.buildPlugins(stack);
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each(transform.transformers, function (transformer, key) {
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var pass = transformers[key] = transformer.buildPass(file);
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@ -551,6 +497,7 @@ export default class File {
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}
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generate(): {
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usedHelpers?: Array<string>;
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code: string;
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map?: Object;
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ast?: Object;
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@ -560,8 +507,8 @@ export default class File {
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var result = {
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code: "",
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map: null,
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ast: null
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map: null,
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ast: null
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};
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if (this.opts.returnUsedHelpers) {
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152
src/babel/transformation/options.json
Normal file
152
src/babel/transformation/options.json
Normal file
@ -0,0 +1,152 @@
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{
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"filename": {
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"type": "string",
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"description": "Filename to use when reading from stdin - this will be used in source-maps, errors etc",
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"default": "unknown",
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"shorthand": "f"
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},
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"filenameRelative": {
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"hidden": true,
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"type": "string"
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},
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"inputSourceMap": {
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"hidden": true
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},
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"moduleId": {
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},
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"resolveModuleSource": {
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"hidden": true
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},
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"experimental": {
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"description": "Enable all ES7+ transformers",
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"shorthand": "e",
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"type": "boolean",
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"default": false
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},
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"playground": {
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"description": "Enable all playground transformers",
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"shorthand": "p",
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"type": "boolean",
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"default": false
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},
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"blacklist": {
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"type": "transformerList",
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"description": "Blacklist of transformers to NOT use",
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"shorthand": "b"
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},
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"whitelist": {
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"type": "transformerList",
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"description": "Whitelist of transformers to ONLY use",
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"shorthand": "l"
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},
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"optional": {
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"type": "transformerList",
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"description": "List of optional transformers to enable"
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},
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"modules": {
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"type": "string",
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"description": "Module formatter type to use [common]",
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"default": "common",
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"shorthand": "m"
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},
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"moduleIds": {
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"type": "boolean",
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"default": false,
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"shorthand": "M"
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},
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"loose": {
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"type": "transformerList",
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"description": "List of transformers to enable loose mode ON",
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"shorthand": "L"
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},
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"ignore": {
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"type": "list"
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},
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"only": {
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"type": "list"
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},
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"code": {
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"hidden": true,
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"default": true,
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"type": "boolean"
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},
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"ast": {
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"hidden": true,
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"default": true,
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"type": "boolean"
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},
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"comments": {
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"type": "boolean",
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"default": true
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},
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"compact": {
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"type": "string",
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"default": "auto"
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},
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"keepModuleIdExtensions": {
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"type": "boolean",
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"description": "Keep extensions when generating module ids",
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"default": false,
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"shorthand": "k"
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},
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"auxiliaryComment": {
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"type": "string",
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"default": "",
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"shorthand": "a"
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},
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"externalHelpers": {
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"type": "string",
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"default": false,
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"shorthand": "r"
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},
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"returnUsedHelpers": {
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"type": "boolean",
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"default": false,
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"hidden": true
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},
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"sourceMap": {
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"type": "string",
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"default": false,
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"shorthand": "s"
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},
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"sourceMapName": {
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"type": "string"
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},
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"sourceFileName": {
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"type": "string"
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},
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"sourceRoot": {
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"type": "string"
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},
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"moduleRoot": {
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"type": "string"
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}
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}
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@ -32,14 +32,14 @@ export default class TransformerPass {
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var whitelist = opts.whitelist;
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if (whitelist.length) return includes(whitelist, key);
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// optional
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if (transformer.optional && !includes(opts.optional, key)) return false;
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// experimental
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if (transformer.experimental && !opts.experimental) return false;
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if (transformer.experimental && opts.experimental) return true;
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// playground
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if (transformer.playground && !opts.playground) return false;
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if (transformer.playground && opts.playground) return true;
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// optional
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if (transformer.optional && !includes(opts.optional, key)) return false;
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return true;
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}
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