109 lines
2.7 KiB
JavaScript
Executable File
109 lines
2.7 KiB
JavaScript
Executable File
/**
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* @fileoverview Shared flags for ESLint.
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Typedefs
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//------------------------------------------------------------------------------
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/**
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* @typedef {Object} InactiveFlagData
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* @property {string} description Flag description
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* @property {string | null} [replacedBy] Can be either:
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* - An active flag (string) that enables the same feature.
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* - `null` if the feature is now enabled by default.
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* - Omitted if the feature has been abandoned.
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*/
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//-----------------------------------------------------------------------------
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// Exports
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//-----------------------------------------------------------------------------
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/**
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* The set of flags that change ESLint behavior with a description.
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* @type {Map<string, string>}
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*/
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const activeFlags = new Map([
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["test_only", "Used only for testing."],
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["test_only_2", "Used only for testing."],
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[
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"v10_config_lookup_from_file",
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"Look up `eslint.config.js` from the file being linted.",
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],
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[
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"unstable_native_nodejs_ts_config",
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"Use native Node.js to load TypeScript configuration.",
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],
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]);
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/**
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* The set of flags that used to be active.
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* @type {Map<string, InactiveFlagData>}
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*/
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const inactiveFlags = new Map([
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[
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"test_only_replaced",
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{
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description:
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"Used only for testing flags that have been replaced by other flags.",
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replacedBy: "test_only",
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},
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],
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[
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"test_only_enabled_by_default",
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{
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description:
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"Used only for testing flags whose features have been enabled by default.",
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replacedBy: null,
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},
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],
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[
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"test_only_abandoned",
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{
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description:
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"Used only for testing flags whose features have been abandoned.",
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},
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],
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[
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"unstable_ts_config",
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{
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description: "Enable TypeScript configuration files.",
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replacedBy: null,
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},
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],
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[
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"unstable_config_lookup_from_file",
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{
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description:
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"Look up `eslint.config.js` from the file being linted.",
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replacedBy: "v10_config_lookup_from_file",
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},
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],
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]);
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/**
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* Creates a message that describes the reason the flag is inactive.
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* @param {InactiveFlagData} inactiveFlagData Data for the inactive flag.
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* @returns {string} Message describing the reason the flag is inactive.
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*/
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function getInactivityReasonMessage({ replacedBy }) {
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if (typeof replacedBy === "undefined") {
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return "This feature has been abandoned.";
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}
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if (typeof replacedBy === "string") {
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return `This flag has been renamed '${replacedBy}' to reflect its stabilization. Please use '${replacedBy}' instead.`;
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}
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// null
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return "This feature is now enabled by default.";
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}
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module.exports = {
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activeFlags,
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inactiveFlags,
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getInactivityReasonMessage,
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};
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