4521204ea0
* master: (222 commits) Set correct methods name Use toPropertyKey in the "decorate" helper Allow function types in type params within arrow return types (#8954) Fix message when plugin of a wrong type is passed (#8950) rename colliding let bindings with for loop init (#8937) edge incomplete support for arrow destructuring (babel #8349) (#8926) fix single-arg async arrows when retainLines=true (#8868) [flow] Explicit inexact objects with `...` (#8884) Update preset-env data (#8898) Treat break inside block inside loop (#8914) fixed "source map" formatting in comment (#8878) [skip ci] fix typo in contributing guidelines (#8901) [skip ci] fix: Expression x === 'y' && '' should not evaluate to undefined. (#8880) fixed an extra word Fixes #8865 (#8866) v7.1.4 v7.1.3 Bump Babel deps (#8770) flow-bin@0.82.0 (#8832) Insertafter jsx fix (#8833) ... # Conflicts: # packages/babel-parser/src/tokenizer/index.js # packages/babel-parser/test/fixtures/experimental/class-private-properties/failure-numeric-literal/options.json # packages/babel-parser/test/fixtures/experimental/pipeline-operator/invalid-proposal/options.json
100 lines
2.7 KiB
JavaScript
100 lines
2.7 KiB
JavaScript
// @flow
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import type Parser from "./parser";
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export type Plugin = string | [string, Object];
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export type PluginList = $ReadOnlyArray<Plugin>;
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export type MixinPlugin = (superClass: Class<Parser>) => Class<Parser>;
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export function hasPlugin(plugins: PluginList, name: string): boolean {
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return plugins.some(plugin => {
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if (Array.isArray(plugin)) {
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return plugin[0] === name;
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} else {
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return plugin === name;
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}
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});
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}
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export function getPluginOption(
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plugins: PluginList,
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name: string,
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option: string,
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) {
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const plugin = plugins.find(plugin => {
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if (Array.isArray(plugin)) {
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return plugin[0] === name;
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} else {
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return plugin === name;
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}
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});
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if (plugin && Array.isArray(plugin)) {
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return plugin[1][option];
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}
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return null;
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}
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const PIPELINE_PROPOSALS = ["minimal", "smart"];
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export function validatePlugins(plugins: PluginList) {
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if (hasPlugin(plugins, "decorators")) {
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if (hasPlugin(plugins, "decorators-legacy")) {
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throw new Error(
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"Cannot use the decorators and decorators-legacy plugin together",
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);
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}
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const decoratorsBeforeExport = getPluginOption(
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plugins,
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"decorators",
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"decoratorsBeforeExport",
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);
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if (decoratorsBeforeExport == null) {
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throw new Error(
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"The 'decorators' plugin requires a 'decoratorsBeforeExport' option," +
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" whose value must be a boolean. If you are migrating from" +
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" Babylon/Babel 6 or want to use the old decorators proposal, you" +
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" should use the 'decorators-legacy' plugin instead of 'decorators'.",
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);
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} else if (typeof decoratorsBeforeExport !== "boolean") {
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throw new Error("'decoratorsBeforeExport' must be a boolean.");
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}
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}
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if (hasPlugin(plugins, "flow") && hasPlugin(plugins, "typescript")) {
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throw new Error("Cannot combine flow and typescript plugins.");
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}
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if (
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hasPlugin(plugins, "pipelineOperator") &&
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!PIPELINE_PROPOSALS.includes(
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getPluginOption(plugins, "pipelineOperator", "proposal"),
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)
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) {
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throw new Error(
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"'pipelineOperator' requires 'proposal' option whose value should be one of: " +
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PIPELINE_PROPOSALS.map(p => `'${p}'`).join(", "),
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);
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}
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}
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// These plugins are defined using a mixin which extends the parser class.
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import estree from "./plugins/estree";
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import flow from "./plugins/flow";
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import jsx from "./plugins/jsx";
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import typescript from "./plugins/typescript";
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// NOTE: estree must load first; flow and typescript must load last.
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export const mixinPluginNames = ["estree", "jsx", "flow", "typescript"];
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export const mixinPlugins: { [name: string]: MixinPlugin } = {
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estree,
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jsx,
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flow,
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typescript,
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};
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