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Merge pull request #516 from jpmorganchase/perspective-cli
New package `perspective-cli`
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‎cpp/perspective/src/cpp/emscripten.cpp‎

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*/
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int
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main(int argc, char** argv) {
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std::cout << "Perspective initialized successfully" << std::endl;
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// clang-format off
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EM_ASM({
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‎examples/cli/README.md‎

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‎examples/cli/index.css‎

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‎examples/cli/package.json‎

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‎examples/cli/server.js‎

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‎packages/perspective-cli/README.md‎

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# Perspective CLI
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```bash
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Usage: perspective [options] [command]
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A convenient command-line client for Perspective.js. Can convert between Perspective supported format, or host a local web server.
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Options:
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-V, --version output the version number
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-h, --help output usage information
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Commands:
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convert [options] [filename] Convert a file into a new format. Reads from STDIN if no filename is provided
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Options:
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-f, --format <format> Which output format to use: arrow, csv, columns, json.
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-o, --output <filename> Filename to write to. If not supplied, writes to STDOUT
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-h, --help output usage information
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host [options] [filename] Host a file on a local Websocket/HTTP server using a server-side Perspective. Reads from STDIN if no filename is provided
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Options:
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-p, --port <port> Which port to bind to (default: 8080)
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-o, --open Open a browser automagically
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-h, --help output usage information
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```

‎packages/perspective-cli/babel.config.js‎

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module.exports = {
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presets: [
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[
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"@babel/preset-env",
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{
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useBuiltIns: "usage"
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}
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]
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],
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sourceType: "unambiguous",
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plugins: [
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["@babel/plugin-proposal-decorators", {legacy: true}],
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"transform-custom-element-classes",
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[
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"@babel/plugin-transform-for-of",
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{
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loose: true
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}
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]
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]
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};

‎packages/perspective-cli/package.json‎

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{
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"name": "@jpmorganchase/perspective-cli",
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"version": "0.2.20",
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"description": "Perspective.js CLI",
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"main": "build/index.js",
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"publishConfig": {
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"access": "public"
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},
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"files": [
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"build/**/*",
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"perspective",
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"babel.config.js"
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],
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"typings": "index.d.ts",
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"scripts": {
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"prebuild": "mkdirp build",
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"build": "babel src/js --source-maps --out-dir build && cpx \"src/html/*\" build/html",
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"clean": "rimraf build"
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},
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"repository": {
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"type": "git",
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"url": "https://github.com/jpmorganchase/perspective"
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},
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"author": "",
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"license": "Apache-2.0",
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"bin": {
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"perspective": "perspective"
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},
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"dependencies": {
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"@jpmorganchase/perspective": "^0.2.20",
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"@jpmorganchase/perspective-viewer": "^0.2.20",
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"@jpmorganchase/perspective-viewer-highcharts": "^0.2.20",
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"@jpmorganchase/perspective-viewer-hypergrid": "^0.2.20",
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"commander": "^2.19.0"
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}
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}

‎packages/perspective-cli/perspective‎

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#!/usr/bin/env node
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/* eslint no-var: 0 */
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require("@jpmorganchase/perspective-cli");

examples/cli/index.html renamed to packages/perspective-cli/src/html/index.html

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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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<script src="perspective.view.js"></script>
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<script src="hypergrid.plugin.js"></script>
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<script src="highcharts.plugin.js"></script>
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<script src="perspective.js"></script>
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<link rel='stylesheet' href="index.css">
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<link rel='stylesheet' href="material.css">
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<style>
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perspective-viewer {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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}
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@media (max-width: 600px) {
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html {
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overflow: hidden;
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}
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body {
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position: fixed;
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height: 100%;
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width: 100%;
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margin: 0;
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overflow: hidden;
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touch-action: none;
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}
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}
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</style>
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</head>
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<body>
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<perspective-viewer
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id="view1">
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</perspective-viewer>
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<perspective-viewer id="view1"></perspective-viewer>
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<script>
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window.addEventListener('WebComponentsReady', function() {
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var elem = document.getElementById('view1');
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var worker = perspective.worker(window.location.origin.replace('http', 'ws'));
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elem.load(worker.open('data_source_one'));
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});
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</script>
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</body>
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</html>

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