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Pass per preset: merge nested preset sub-options into preset

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This commit is contained in:
Dmitry Soshnikov 2016-01-20 13:36:27 -08:00
parent 3f1353d01f
commit e7187faea6
3 changed files with 23 additions and 16 deletions
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2
packages/babel-core/src/transformation/file/index.js
View File

@ -66,7 +66,7 @@ export default class File extends Store {
// If we are in the "pass per preset" mode, build
// also plugins for each preset.
if (this.opts.passPerPresset) {
if (this.opts.passPerPreset) {
// All the "per preset" options are inherited from the main options.
this.perPresetOpts = [];
this.opts.presets.forEach(presetOpts => {

5
packages/babel-core/src/transformation/file/options/config.js
View File

@ -185,9 +185,10 @@ module.exports = {
type: "string"
},
passPerPresset: {
passPerPreset: {
description: "Whether to spawn a traversal pass per a preset. By default all presets are merged.",
type: "boolean",
default: false
default: false,
hidden: true,
},
};

32
packages/babel-core/src/transformation/file/options/option-manager.js
View File

@ -157,22 +157,23 @@ export default class OptionManager {
throw err;
}
this.mergeOptions(opts, loc, null, path.dirname(loc));
this.mergeOptions(opts, this.options, loc, null, path.dirname(loc));
this.resolvedConfigs.push(loc);
return !!opts;
}
/**
* This is called when we want to merge the input `opts` into our
* base options.
* This is called when we want to merge the input `opts` into the
* base options (passed as the `extendingOpts`: at top-level it's the
* main options, at presets level it's presets options).
*
* - `alias` is used to output pretty traces back to the original source.
* - `loc` is used to point to the original config.
* - `dirname` is used to resolve plugins relative to it.
*/
mergeOptions(rawOpts?: Object, alias: string = "foreign", loc?: string, dirname?: string) {
mergeOptions(rawOpts?: Object, extendingOpts?: Object, alias: string = "foreign", loc?: string, dirname?: string) {
if (!rawOpts) return;
//
@ -223,11 +224,9 @@ export default class OptionManager {
if (opts.presets) {
// If we're in the "pass per preset" mode, we resolve the presets
// and keep them for further execution to calculate the options.
if (opts.passPerPresset) {
if (opts.passPerPreset) {
opts.presets = this.resolvePresets(opts.presets, dirname, (preset, presetLoc) => {
if (preset.plugins) {
preset.plugins = OptionManager.normalisePlugins(presetLoc, dirname, preset.plugins);
}
this.mergeOptions(preset, preset, presetLoc, presetLoc, dirname);
});
} else {
// Otherwise, just merge presets options into the main options.
@ -244,11 +243,17 @@ export default class OptionManager {
delete opts.env;
}
// merge them into this current files options
merge(this.options, opts);
// Merge them into current extending options in case of top-level
// options. In case of presets, just re-assign options which are got
// normalized during the `mergeOptions`.
if (rawOpts !== extendingOpts) {
merge(extendingOpts, opts);
} else {
Object.assign(extendingOpts, opts);
}
// merge in env options
this.mergeOptions(envOpts, `${alias}.env.${envKey}`, null, dirname);
this.mergeOptions(envOpts, extendingOpts, `${alias}.env.${envKey}`, null, dirname);
}
/**
@ -259,6 +264,7 @@ export default class OptionManager {
this.resolvePresets(presets, dirname, (presetOpts, presetLoc) => {
this.mergeOptions(
presetOpts,
this.options,
presetLoc,
presetLoc,
path.dirname(presetLoc)
@ -298,7 +304,7 @@ export default class OptionManager {
.map((line) => line.replace(/#(.*?)$/, "").trim())
.filter((line) => !!line);
this.mergeOptions({ ignore: lines }, loc);
this.mergeOptions({ ignore: lines }, this.options, loc);
}
findConfigs(loc) {
@ -365,7 +371,7 @@ export default class OptionManager {
}
// merge in base options
this.mergeOptions(opts, "base", null, filename && path.dirname(filename));
this.mergeOptions(opts, this.options, "base", null, filename && path.dirname(filename));
// normalise
this.normaliseOptions(opts);