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Minor CLI and README cleanup

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This commit is contained in:
dcodeIO
2018-06-14 15:57:04 +02:00
parent e18165bbbc
commit c102fc9848
13 changed files with 208 additions and 113 deletions
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47
cli/asc.js
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@ -14,6 +14,7 @@
const fs = require("fs");
const path = require("path");
const utf8 = require("@protobufjs/utf8");
const colors = require("./util/colors");
const EOL = process.platform === "win32" ? "\r\n" : "\n";
// Use distribution files if present, otherwise run the sources directly
@ -119,23 +120,26 @@ exports.main = function main(argv, options, callback) {
const listFiles = options.listFiles || listFilesNode;
const stats = options.stats || createStats();
// All of the above must be specified in browser environments
// Output must be specified if not present in the environment
if (!stdout) throw Error("'options.stdout' must be specified");
if (!stderr) throw Error("'options.stderr' must be specified");
if (!fs.readFileSync) {
if (readFile === readFileNode) throw Error("'options.readFile' must be specified");
if (writeFile === writeFileNode) throw Error("'options.writeFile' must be specified");
if (listFiles === listFilesNode) throw Error("'options.listFiles' must be specified");
}
const args = parseArguments(argv);
const indent = 24;
if (args.noColors) {
colors.stdout.supported =
colors.stderr.supported = false;
} else {
colors.stdout = colors.from(stdout);
colors.stderr = colors.from(stderr);
}
// Use default callback if none is provided
if (!callback) callback = function defaultCallback(err) {
var code = 0;
if (err) {
stderr.write(err.stack + EOL);
stderr.write(colors.stderr.red("ERROR: ") + err.stack.replace(/^ERROR: /i, "") + EOL);
code = 1;
}
return code;
@ -151,7 +155,7 @@ exports.main = function main(argv, options, callback) {
const opts = [];
Object.keys(exports.options).forEach(name => {
var option = exports.options[name];
var text = " ";
var text = " ";
text += "--" + name;
if (option.aliases && option.aliases[0].length === 1) {
text += ", -" + option.aliases[0];
@ -171,19 +175,29 @@ exports.main = function main(argv, options, callback) {
}
});
(args.help ? stdout : stderr).write([
"Version " + exports.version + (isDev ? "-dev" : ""),
"Syntax: asc [entryFile ...] [options]",
var out = args.help ? stdout : stderr;
var color = args.help ? colors.stdout : colors.stderr;
out.write([
color.white("Syntax"),
" " + color.cyan("asc") + " [entryFile ...] [options]",
"",
"Examples: asc hello.ts",
" asc hello.ts -b hello.wasm -t hello.wat",
" asc hello1.ts hello2.ts -b -O > hello.wasm",
color.white("Examples"),
" " + color.cyan("asc") + " hello.ts",
" " + color.cyan("asc") + " hello.ts -b hello.wasm -t hello.wat",
" " + color.cyan("asc") + " hello1.ts hello2.ts -b -O > hello.wasm",
"",
"Options:"
color.white("Options"),
].concat(opts).join(EOL) + EOL);
return callback(null);
}
// I/O must be specified if not present in the environment
if (!fs.readFileSync) {
if (readFile === readFileNode) throw Error("'options.readFile' must be specified");
if (writeFile === writeFileNode) throw Error("'options.writeFile' must be specified");
if (listFiles === listFilesNode) throw Error("'options.listFiles' must be specified");
}
// Set up base directory
const baseDir = args.baseDir ? path.resolve(args.baseDir) : ".";
@ -859,6 +873,9 @@ function createMemoryStream(fn) {
}
this.push(chunk);
};
stream.reset = function() {
stream.length = 0;
};
stream.toBuffer = function() {
var offset = 0, i = 0, k = this.length;
while (i < k) offset += this[i++].length;