78 lines
1.9 KiB
JavaScript
78 lines
1.9 KiB
JavaScript
#! /usr/bin/env node
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"use strict";
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var U2 = require("../tools/node");
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var fs = require("fs");
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var yargs = require("yargs");
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var ARGS = yargs
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.describe("o", "Output file")
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.argv;
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var files = ARGS._.slice();
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var output = {
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vars: {},
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props: {}
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};
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if (ARGS.o) try {
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output = JSON.parse(fs.readFileSync(ARGS.o, "utf8"));
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} catch(ex) {}
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files.forEach(getProps);
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if (ARGS.o) {
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fs.writeFileSync(ARGS.o, JSON.stringify(output, null, 2), "utf8");
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} else {
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console.log("%s", JSON.stringify(output, null, 2));
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}
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function getProps(filename) {
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var code = fs.readFileSync(filename, "utf8");
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var ast = U2.parse(code);
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ast.walk(new U2.TreeWalker(function(node){
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if (node instanceof U2.AST_ObjectKeyVal) {
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add(node.key);
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}
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else if (node instanceof U2.AST_ObjectProperty) {
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add(node.key.name);
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}
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else if (node instanceof U2.AST_Dot) {
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add(node.property);
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}
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else if (node instanceof U2.AST_Sub) {
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addStrings(node.property);
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}
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}));
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function addStrings(node) {
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var out = {};
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try {
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(function walk(node){
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node.walk(new U2.TreeWalker(function(node){
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if (node instanceof U2.AST_Seq) {
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walk(node.cdr);
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return true;
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}
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if (node instanceof U2.AST_String) {
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add(node.value);
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return true;
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}
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if (node instanceof U2.AST_Conditional) {
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walk(node.consequent);
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walk(node.alternative);
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return true;
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}
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throw out;
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}));
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})(node);
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} catch(ex) {
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if (ex !== out) throw ex;
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}
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}
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function add(name) {
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output.props[name] = true;
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}
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}
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