automate option generation
This commit is contained in:
Sebastian McKenzie
@@ -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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