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Adds a script for removing unused diagnostics (#44324)

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* Adds a script for removing unused diagnostics

* Accidentally deleted the wrong one
This commit is contained in:
Orta Therox 2021-08-24 12:03:18 +00:00 committed by GitHub
parent 7117f03ed6
commit 41dcad056a
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2 changed files with 30 additions and 196 deletions
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30
scripts/find-unused-diganostic-messages.mjs Normal file
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@ -0,0 +1,30 @@
// @ts-check
// This file requires a modern version of node 14+, and grep to be available.
// node scripts/find-unused-diagnostic-messages.mjs
import { readFileSync } from "fs";
import {EOL} from "os";
import { execSync } from "child_process";
const diags = readFileSync("src/compiler/diagnosticInformationMap.generated.ts", "utf8");
const startOfDiags = diags.split("export const Diagnostics")[1];
const missingNames = [];
startOfDiags.split(EOL).forEach(line => {
if (!line.includes(":")) return;
const diagName = line.split(":")[0].trim();
try {
execSync(`grep -rnw 'src' -e 'Diagnostics.${diagName}'`).toString();
process.stdout.write(".");
} catch (error) {
missingNames.push(diagName);
process.stdout.write("x");
}
});
if (missingNames.length) {
process.exitCode = 1;
console.log("Could not find usage of these diagnostics in the codebase:");
console.log(missingNames);
}

196
src/compiler/diagnosticMessages.json
View file

@ -123,26 +123,14 @@
"category": "Error",
"code": 1040
},
"'{0}' modifier cannot be used with a class declaration.": {
"category": "Error",
"code": 1041
},
"'{0}' modifier cannot be used here.": {
"category": "Error",
"code": 1042
},
"'{0}' modifier cannot appear on a data property.": {
"category": "Error",
"code": 1043
},
"'{0}' modifier cannot appear on a module or namespace element.": {
"category": "Error",
"code": 1044
},
"A '{0}' modifier cannot be used with an interface declaration.": {
"category": "Error",
"code": 1045
},
"Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier.": {
"category": "Error",
"code": 1046
@ -183,10 +171,6 @@
"category": "Error",
"code": 1056
},
"An async function or method must have a valid awaitable return type.": {
"category": "Error",
"code": 1057
},
"The return type of an async function must either be a valid promise or must not contain a callable 'then' member.": {
"category": "Error",
"code": 1058
@ -699,10 +683,6 @@
"category": "Error",
"code": 1219
},
"Generators are only available when targeting ECMAScript 2015 or higher.": {
"category": "Error",
"code": 1220
},
"Generators are not allowed in an ambient context.": {
"category": "Error",
"code": 1221
@ -831,10 +811,6 @@
"category": "Error",
"code": 1252
},
"'{0}' tag cannot be used independently as a top level JSDoc tag.": {
"category": "Error",
"code": 1253
},
"A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference.": {
"category": "Error",
"code": 1254
@ -1084,10 +1060,6 @@
"category": "Error",
"code": 1359
},
"Did you mean to parenthesize this function type?": {
"category": "Error",
"code": 1360
},
"'{0}' cannot be used as a value because it was imported using 'import type'.": {
"category": "Error",
"code": 1361
@ -1192,14 +1164,6 @@
"category": "Error",
"code": 1389
},
"Provides a root package name when using outFile with declarations.": {
"category": "Message",
"code": 1390
},
"The 'bundledPackageName' option must be provided when using outFile and node module resolution with declaration emit.": {
"category": "Error",
"code": 1391
},
"An import alias cannot use 'import type'": {
"category": "Error",
"code": 1392
@ -1482,10 +1446,6 @@
"category": "Error",
"code": 2310
},
"A class may only extend another class.": {
"category": "Error",
"code": 2311
},
"An interface can only extend an object type or intersection of object types with statically known members.": {
"category": "Error",
"code": 2312
@ -1606,10 +1566,6 @@
"category": "Error",
"code": 2341
},
"An index expression argument must be of type 'string', 'number', 'symbol', or 'any'.": {
"category": "Error",
"code": 2342
},
"This syntax requires an imported helper named '{1}' which does not exist in '{0}'. Consider upgrading your version of '{0}'.": {
"category": "Error",
"code": 2343
@ -1762,14 +1718,6 @@
"category": "Error",
"code": 2380
},
"A signature with an implementation cannot use a string literal type.": {
"category": "Error",
"code": 2381
},
"Specialized overload signature is not assignable to any non-specialized signature.": {
"category": "Error",
"code": 2382
},
"Overload signatures must all be exported or non-exported.": {
"category": "Error",
"code": 2383
@ -1842,10 +1790,6 @@
"category": "Error",
"code": 2400
},
"Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference.": {
"category": "Error",
"code": 2401
},
"Expression resolves to '_super' that compiler uses to capture base class reference.": {
"category": "Error",
"code": 2402
@ -2038,18 +1982,10 @@
"category": "Error",
"code": 2452
},
"The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly.": {
"category": "Error",
"code": 2453
},
"Variable '{0}' is used before being assigned.": {
"category": "Error",
"code": 2454
},
"Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'.": {
"category": "Error",
"code": 2455
},
"Type alias '{0}' circularly references itself.": {
"category": "Error",
"code": 2456
@ -2106,14 +2042,6 @@
"category": "Error",
"code": 2469
},
"'Symbol' reference does not refer to the global Symbol constructor object.": {
"category": "Error",
"code": 2470
},
"A computed property name of the form '{0}' must be of type 'symbol'.": {
"category": "Error",
"code": 2471
},
"Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher.": {
"category": "Error",
"code": 2472
@ -2142,10 +2070,6 @@
"category": "Error",
"code": 2478
},
"Property '{0}' does not exist on 'const' enum '{1}'.": {
"category": "Error",
"code": 2479
},
"'let' is not allowed to be used as a name in 'let' or 'const' declarations.": {
"category": "Error",
"code": 2480
@ -2270,10 +2194,6 @@
"category": "Error",
"code": 2513
},
"Classes containing abstract methods must be marked abstract.": {
"category": "Error",
"code": 2514
},
"Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'.": {
"category": "Error",
"code": 2515
@ -2298,10 +2218,6 @@
"category": "Error",
"code": 2520
},
"Expression resolves to variable declaration '{0}' that compiler uses to support async functions.": {
"category": "Error",
"code": 2521
},
"The 'arguments' object cannot be referenced in an async function or method in ES3 and ES5. Consider using a standard function or method.": {
"category": "Error",
"code": 2522
@ -2378,10 +2294,6 @@
"category": "Error",
"code": 2540
},
"The target of an assignment must be a variable or a property access.": {
"category": "Error",
"code": 2541
},
"Index signature in type '{0}' only permits reading.": {
"category": "Error",
"code": 2542
@ -2494,14 +2406,6 @@
"category": "Error",
"code": 2571
},
"Rest signatures are incompatible.": {
"category": "Error",
"code": 2572
},
"Property '{0}' is incompatible with rest element type.": {
"category": "Error",
"code": 2573
},
"A rest element type must be an array type.": {
"category": "Error",
"code": 2574
@ -2546,14 +2450,6 @@
"category": "Error",
"code": 2585
},
"Enum type '{0}' circularly references itself.": {
"category": "Error",
"code": 2586
},
"JSDoc type '{0}' circularly references itself.": {
"category": "Error",
"code": 2587
},
"Cannot assign to '{0}' because it is a constant.": {
"category": "Error",
"code": 2588
@ -2598,14 +2494,6 @@
"category": "Error",
"code": 2598
},
"JSX element attributes type '{0}' may not be a union type.": {
"category": "Error",
"code": 2600
},
"The return type of a JSX element constructor must return an object type.": {
"category": "Error",
"code": 2601
},
"JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist.": {
"category": "Error",
"code": 2602
@ -2618,10 +2506,6 @@
"category": "Error",
"code": 2604
},
"JSX element type '{0}' is not a constructor function for JSX elements.": {
"category": "Error",
"code": 2605
},
"Property '{0}' of JSX spread attribute is not assignable to target property.": {
"category": "Error",
"code": 2606
@ -2751,14 +2635,6 @@
"category": "Error",
"code": 2653
},
"Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition.": {
"category": "Error",
"code": 2654
},
"Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition.": {
"category": "Error",
"code": 2656
},
"JSX expressions must have one parent element.": {
"category": "Error",
"code": 2657
@ -2859,10 +2735,6 @@
"category": "Error",
"code": 2681
},
"'get' and 'set' accessor must have the same 'this' type.": {
"category": "Error",
"code": 2682
},
"'this' implicitly has type 'any' because it does not have a type annotation.": {
"category": "Error",
"code": 2683
@ -4203,10 +4075,6 @@
"category": "Error",
"code": 6048
},
"Unsupported locale '{0}'.": {
"category": "Error",
"code": 6049
},
"Unable to open file '{0}'.": {
"category": "Error",
"code": 6050
@ -4263,10 +4131,6 @@
"category": "Message",
"code": 6066
},
"Enables experimental support for ES7 async functions.": {
"category": "Message",
"code": 6068
},
"Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6).": {
"category": "Message",
"code": 6069
@ -4403,10 +4267,6 @@
"category": "Message",
"code": 6102
},
"Option '{0}' should have array of strings as a value.": {
"category": "Error",
"code": 6103
},
"Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'.": {
"category": "Message",
"code": 6104
@ -4459,14 +4319,6 @@
"category": "Message",
"code": 6116
},
"Resolving using primary search paths...": {
"category": "Message",
"code": 6117
},
"Resolving from node_modules folder...": {
"category": "Message",
"code": 6118
},
"======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========": {
"category": "Message",
"code": 6119
@ -4983,10 +4835,6 @@
"code": 6257
},
"Projects to reference": {
"category": "Message",
"code": 6300
},
"Enable project compilation": {
"category": "Message",
"code": 6302
@ -5059,10 +4907,6 @@
"category": "Message",
"code": 6359
},
"delete this - Project '{0}' is up to date because it was previously built": {
"category": "Message",
"code": 6360
},
"Project '{0}' is up to date": {
"category": "Message",
"code": 6361
@ -6161,18 +6005,6 @@
"category": "Error",
"code": 8034
},
"Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clause.": {
"category": "Error",
"code": 9002
},
"'class' expressions are not currently supported.": {
"category": "Error",
"code": 9003
},
"Language service is disabled.": {
"category": "Error",
"code": 9004
},
"Declaration emit for this file requires using private name '{0}'. An explicit type annotation may unblock declaration emit.": {
"category": "Error",
"code": 9005
@ -6193,10 +6025,6 @@
"category": "Error",
"code": 17002
},
"JSX attribute expected.": {
"category": "Error",
"code": 17003
},
"Cannot use JSX unless the '--jsx' flag is provided.": {
"category": "Error",
"code": 17004
@ -6261,10 +6089,6 @@
"category": "Error",
"code": 18000
},
"A path in an 'extends' option must be relative or rooted, but '{0}' is not.": {
"category": "Error",
"code": 18001
},
"The 'files' list in config file '{0}' is empty.": {
"category": "Error",
"code": 18002
@ -6471,10 +6295,6 @@
"category": "Message",
"code": 95001
},
"Convert function '{0}' to class": {
"category": "Message",
"code": 95002
},
"Convert '{0}' to '{1} in {0}'": {
"category": "Message",
"code": 95003
@ -6503,10 +6323,6 @@
"category": "Message",
"code": 95009
},
"Annotate with types from JSDoc": {
"category": "Message",
"code": 95010
},
"Infer type of '{0}' from usage": {
"category": "Message",
"code": 95011
@ -6867,18 +6683,6 @@
"category": "Message",
"code": 95101
},
"Add '@class' tag": {
"category": "Message",
"code": 95102
},
"Add '@this' tag": {
"category": "Message",
"code": 95103
},
"Add 'this' parameter.": {
"category": "Message",
"code": 95104
},
"Convert function expression '{0}' to arrow function": {
"category": "Message",
"code": 95105