ramda-cli
Version:
A command-line tool for processing JSON with Ramda and LiveScript
232 lines (231 loc) • 7.02 kB
JavaScript
// Generated by LiveScript 1.6.0
(function(){
var R, isNil, append, flip, type, forEach, reduce, ref$, PassThrough, pipeline, through, JSONStream, split2, inspect, isThenable, takeLines, removeExtraNewlines, isBrowser, debug, reduceStream, concatStream, unconcatStream, mapStream, jsonStringifyStream, debugStream, appendBuffer, blankObjStream, csvOpts, tableOutputStream, inspectStream, rawOutputStringify, rawOutputStream, optsToOutputStream, optsToInputParserStream, makeStdinParser, makeInputStream, makeMapStream, processInputStream, out$ = typeof exports != 'undefined' && exports || this;
R = require('ramda'), isNil = R.isNil, append = R.append, flip = R.flip, type = R.type, forEach = R.forEach, reduce = R.reduce;
ref$ = require('stream'), PassThrough = ref$.PassThrough, pipeline = ref$.pipeline;
through = require('through2');
JSONStream = require('JSONStream');
split2 = require('split2');
inspect = require('util').inspect;
ref$ = require('./utils'), isThenable = ref$.isThenable, takeLines = ref$.takeLines, removeExtraNewlines = ref$.removeExtraNewlines, isBrowser = ref$.isBrowser;
debug = require('debug')('ramda-cli:stream');
if (isBrowser()) {
debug.enabled = true;
}
reduceStream = function(fn, acc){
return through.obj(function(chunk, arg$, next){
acc = fn(acc, chunk);
return next();
}, function(next){
this.push(acc);
return next();
});
};
out$.concatStream = concatStream = function(){
return reduceStream(flip(append), []);
};
unconcatStream = function(){
return through.obj(function(chunk, arg$, next){
switch (type(chunk)) {
case 'Array':
forEach(bind$(this, 'push'), chunk);
break;
default:
this.push(chunk);
}
return next();
});
};
mapStream = function(fun){
return through.obj(function(chunk, arg$, next){
var push, val, e, this$ = this;
push = function(x){
if (x !== null) {
this$.push(x);
}
return next();
};
try {
val = fun(chunk);
} catch (e$) {
e = e$;
return next(e);
}
if (isThenable(val)) {
return val.then(push);
} else {
return push(val);
}
});
};
jsonStringifyStream = function(compact){
var indent;
indent = !compact ? 2 : void 8;
return through.obj(function(data, arg$, next){
var json;
json = (function(){
switch (type(data)) {
case 'Function':
return data.toString();
default:
return JSON.stringify(data, null, indent);
}
}());
this.push(json + '\n');
return next();
});
};
debugStream = function(debug, opts, str){
return through.obj(function(chunk, arg$, next){
if (debug.enabled && opts.veryVerbose) {
debug(inspect(chunk), str);
}
this.push(chunk);
return next();
});
};
appendBuffer = function(buf1, buf2){
return Buffer.concat([buf1, buf2]);
};
blankObjStream = function(){
var x$;
x$ = PassThrough({
objectMode: true
});
x$.end({});
return x$;
};
csvOpts = function(type, delimiter, headers, unstrict){
var opts;
unstrict == null && (unstrict = true);
opts = {
headers: headers,
delimiter: delimiter,
includeEndRowDelimiter: true,
discardUnmappedColumns: true,
strictColumnHandling: false
};
switch (type) {
case 'csv':
return opts;
case 'tsv':
return opts.delimiter = '\t', opts;
}
};
tableOutputStream = function(compact){
var formatTable, opts;
formatTable = require('./format-table');
opts = {
compact: compact
};
return through.obj(function(chunk, arg$, next){
this.push(formatTable(chunk, opts) + "\n");
return next();
});
};
inspectStream = function(depth){
return through.obj(function(chunk, arg$, next){
this.push(inspect(chunk, {
colors: true,
depth: depth
}) + '\n');
return next();
});
};
rawOutputStringify = function(it){
if (type(it) === 'Object') {
return JSON.stringify(it);
} else {
return it.toString();
}
};
rawOutputStream = function(compact){
return through.obj(function(chunk, arg$, next){
var end, this$ = this;
end = !compact ? "\n" : '';
switch (type(chunk)) {
case 'Array':
forEach(function(it){
return this$.push(rawOutputStringify(it) + "" + end);
}, chunk);
break;
default:
this.push(removeExtraNewlines(rawOutputStringify(chunk) + "" + end));
}
return next();
});
};
optsToOutputStream = function(opts){
switch (opts.outputType) {
case 'pretty':
return inspectStream(opts.prettyDepth);
case 'raw':
return rawOutputStream(opts.compact);
case 'csv':
case 'tsv':
return require('fast-csv').createWriteStream(csvOpts(opts.outputType, opts.csvDelimiter, opts.headers));
case 'table':
return tableOutputStream(opts.compact);
default:
return jsonStringifyStream(opts.compact);
}
};
optsToInputParserStream = function(opts){
switch (opts.inputType) {
case 'raw':
return split2();
case 'csv':
case 'tsv':
return require('fast-csv')(csvOpts(opts.inputType, opts.csvDelimiter, opts.headers));
default:
return JSONStream.parse(opts.jsonPath);
}
};
makeStdinParser = function(onError, opts, stdin){
var inputParser, s;
inputParser = optsToInputParserStream(opts);
if (opts.inputType === 'json') {
stdin.on('end', function(){
return inputParser.write('\n');
});
}
s = stdin.pipe(debugStream(debug, opts, 'stdin')).pipe(inputParser).on('error', function(it){
return onError(it);
}).pipe(debugStream(debug, opts, "after input-parser"));
if (opts.slurp) {
s = s.pipe(concatStream());
}
return s;
};
makeInputStream = function(onError, opts, stdin){
if (opts.stdin) {
return makeStdinParser(onError, opts, stdin);
} else {
return blankObjStream();
}
};
makeMapStream = function(opts, fun){
if (opts.transduce) {
return require('transduce-stream')(fun, {
objectMode: true
});
} else {
return mapStream(fun);
}
};
out$.processInputStream = processInputStream = function(onError, opts, fun, inputStream, outputStream){
var s;
s = makeInputStream(onError, opts, inputStream).pipe(makeMapStream(opts, fun)).on('error', onError).pipe(debugStream(debug, opts, "after map-stream"));
if (opts.unslurp) {
s = s.pipe(unconcatStream());
}
s = s.pipe(optsToOutputStream(opts)).pipe(debugStream(debug, opts, 'stdout'));
if (outputStream) {
s.pipe(outputStream);
}
return s;
};
function bind$(obj, key, target){
return function(){ return (target || obj)[key].apply(obj, arguments) };
}
}).call(this);