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processDiagnosticMessages.ts: linted, removed unused code (#18697)

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Added following line to generated output:
"// generated from 'src/diagnosticMessages.json' by 'scripts/processDiagnosticMessages.ts'\r\n" +

Fixes https://github.com/Microsoft/TypeScript/issues/3591
This commit is contained in:
Adrian Leonhard 2017-11-08 21:56:39 +01:00 committed by Mohamed Hegazy
parent 76a3be7c4c
commit 80d1aa0b4f
1 changed files with 33 additions and 34 deletions
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67
scripts/processDiagnosticMessages.ts
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@ -1,4 +1,5 @@
/// <reference path="../src/compiler/sys.ts" />
/// <reference path="../src/compiler/core.ts" />
interface DiagnosticDetails {
category: string;
@ -9,57 +10,55 @@ interface DiagnosticDetails {
type InputDiagnosticMessageTable = ts.Map<DiagnosticDetails>;
function main(): void {
var sys = ts.sys;
const sys = ts.sys;
if (sys.args.length < 1) {
sys.write("Usage:" + sys.newLine)
sys.write("Usage:" + sys.newLine);
sys.write("\tnode processDiagnosticMessages.js <diagnostic-json-input-file>" + sys.newLine);
return;
}
function writeFile(fileName: string, contents: string) {
// TODO: Fix path joining
var inputDirectory = inputFilePath.substr(0,inputFilePath.lastIndexOf("/"));
var fileOutputPath = inputDirectory + "/" + fileName;
const inputDirectory = ts.getDirectoryPath(inputFilePath);
const fileOutputPath = ts.combinePaths(inputDirectory, fileName);
sys.writeFile(fileOutputPath, contents);
}
var inputFilePath = sys.args[0].replace(/\\/g, "/");
var inputStr = sys.readFile(inputFilePath);
const inputFilePath = sys.args[0].replace(/\\/g, "/");
const inputStr = sys.readFile(inputFilePath);
var diagnosticMessagesJson: { [key: string]: DiagnosticDetails } = JSON.parse(inputStr);
// Check that there are no duplicates.
const seenNames = ts.createMap<true>();
for (const name of Object.keys(diagnosticMessagesJson)) {
if (seenNames.has(name))
throw new Error(`Name ${name} appears twice`);
seenNames.set(name, true);
}
const diagnosticMessagesJson: { [key: string]: DiagnosticDetails } = JSON.parse(inputStr);
const diagnosticMessages: InputDiagnosticMessageTable = ts.createMapFromTemplate(diagnosticMessagesJson);
var infoFileOutput = buildInfoFileOutput(diagnosticMessages);
const outputFilesDir = ts.getDirectoryPath(inputFilePath);
const thisFilePathRel = ts.getRelativePathToDirectoryOrUrl(outputFilesDir, sys.getExecutingFilePath(),
sys.getCurrentDirectory(), ts.createGetCanonicalFileName(sys.useCaseSensitiveFileNames), /* isAbsolutePathAnUrl */ false);
const infoFileOutput = buildInfoFileOutput(diagnosticMessages, "./diagnosticInformationMap.generated.ts", thisFilePathRel);
checkForUniqueCodes(diagnosticMessages);
writeFile("diagnosticInformationMap.generated.ts", infoFileOutput);
var messageOutput = buildDiagnosticMessageOutput(diagnosticMessages);
const messageOutput = buildDiagnosticMessageOutput(diagnosticMessages);
writeFile("diagnosticMessages.generated.json", messageOutput);
}
function checkForUniqueCodes(diagnosticTable: InputDiagnosticMessageTable) {
const allCodes: { [key: number]: true | undefined } = [];
diagnosticTable.forEach(({ code }) => {
if (allCodes[code])
if (allCodes[code]) {
throw new Error(`Diagnostic code ${code} appears more than once.`);
}
allCodes[code] = true;
});
}
function buildInfoFileOutput(messageTable: InputDiagnosticMessageTable): string {
var result =
'// <auto-generated />\r\n' +
'/// <reference path="types.ts" />\r\n' +
'/* @internal */\r\n' +
'namespace ts {\r\n' +
function buildInfoFileOutput(messageTable: InputDiagnosticMessageTable, inputFilePathRel: string, thisFilePathRel: string): string {
let result =
"// <auto-generated />\r\n" +
"// generated from '" + inputFilePathRel + "' by '" + thisFilePathRel + "'\r\n" +
"/// <reference path=\"types.ts\" />\r\n" +
"/* @internal */\r\n" +
"namespace ts {\r\n" +
" function diag(code: number, category: DiagnosticCategory, key: string, message: string): DiagnosticMessage {\r\n" +
" return { code, category, key, message };\r\n" +
" }\r\n" +
@ -70,20 +69,20 @@ function buildInfoFileOutput(messageTable: InputDiagnosticMessageTable): string
result += ` ${propName}: diag(${code}, DiagnosticCategory.${category}, "${createKey(propName, code)}", ${JSON.stringify(name)}),\r\n`;
});
result += ' };\r\n}';
result += " };\r\n}";
return result;
}
function buildDiagnosticMessageOutput(messageTable: InputDiagnosticMessageTable): string {
let result = '{';
let result = "{";
messageTable.forEach(({ code }, name) => {
const propName = convertPropertyName(name);
result += `\r\n "${createKey(propName, code)}" : "${name.replace(/[\"]/g, '\\"')}",`;
});
// Shave trailing comma, then add newline and ending brace
result = result.slice(0, result.length - 1) + '\r\n}';
result = result.slice(0, result.length - 1) + "\r\n}";
// Assert that we generated valid JSON
JSON.parse(result);
@ -91,15 +90,15 @@ function buildDiagnosticMessageOutput(messageTable: InputDiagnosticMessageTable)
return result;
}
function createKey(name: string, code: number) : string {
return name.slice(0, 100) + '_' + code;
function createKey(name: string, code: number): string {
return name.slice(0, 100) + "_" + code;
}
function convertPropertyName(origName: string): string {
var result = origName.split("").map(char => {
if (char === '*') { return "_Asterisk"; }
if (char === '/') { return "_Slash"; }
if (char === ':') { return "_Colon"; }
let result = origName.split("").map(char => {
if (char === "*") { return "_Asterisk"; }
if (char === "/") { return "_Slash"; }
if (char === ":") { return "_Colon"; }
return /\w/.test(char) ? char : "_";
}).join("");
@ -107,7 +106,7 @@ function convertPropertyName(origName: string): string {
result = result.replace(/_+/g, "_");
// remove any leading underscore, unless it is followed by a number.
result = result.replace(/^_([^\d])/, "$1")
result = result.replace(/^_([^\d])/, "$1");
// get rid of all trailing underscores.
result = result.replace(/_$/, "");