Beta 7 with some repo names changed.
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Luis Fernando Molina committed
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+15
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module.exports=((R,T,Z,A,B,C,D,E,F,G,H,I,J)=>{
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R={};T=()=>{throw ""};Y=(r,c)=>r.test(c);Z=x=>(typeof x)[0]=="f"
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A=c=>$=>$(c||R,c=>Y(/\s/,c)?A("")($):c)
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B=c=>$=>$(c||R,c=>Y(/[0-9]/,c)?$(B("")($),s=>[s[0],c+s[1]]):[c,""])
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C=c=>$=>$(c||R,c=>$(c=="-"?["","-"]:[c,""],([c,s])=>$(c||R,c=>$(c=="0"?["","0"]:Y(/[1-9]/,c)?B(c)($):T(),([c,b])=>$(c||R,c=>$(c=="."?$(B("")($),([c,s])=>[c,"."+s]):[c,""],([c,f])=>$(c||R,c=>$(Y(/[eE]/,c)?$($(R,c=>Y(/[+-]/,c)?["","e"+c]:[c,"e"]),([c,es])=>$(B(c)($),([c,s])=>[c,es+s])):[c,""],([c,e])=>[c,Number(s+b+f+e)]))))))))
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D=$=>$(R,h=>Y(/[0-9a-fA-F]/,h)?parseInt(h,16):T())
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E=$=>$($(R,c=>c!=="\\"?c:$(R,c=>Y(/[\\"\/bfnrt]/,c)?({b:"\b",f:"\f",n:"\n",r:"\r",t:"\t","\\":"\\","/":"/",'"':''})[c]:Y(/u/,c)?$(D($),a=>$(D($),b=>$(D($),c=>$(D($),d=>String.fromCharCode(a*4096+b*256+c*16+d))))):T())),c=>c=='"'?"":$(E($),s=>(c||'"')+s))
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F=$=>{var a=[],g=c=>$=>$(c||R,c=>c=="]"?a:$(H(c)($),([c,v])=>(a.push(v),$(A(c)($),c=>Y(/[,\]]/,c)?g(c==","?"":c)($):T()))));return g("")($)}
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G=$=>{var o={},g=c=>$=>$(c||R,c=>c=="}"?o:$(A(c)($),c=>c!=='"'?T():$(E($),k=>$(A("")($),c=>c!==':'?T():$(H("")($),([c,v])=>(o[k]=v,$(A(c)($),c=>Y(/[,}]/,c)?g(c==","?"":c)($):T())))))));return g("")($)}
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H=c=>$=>$(A(c)($),c=>c=="["?$(F($),v=>["",v]):c=="{"?$(G($),v=>["",v]):c=='"'?$(E($),v=>["",v]):c=='t'?$(K("rue")(true)($),v=>["",v]):c=='f'?$(K("alse")(false)($),v=>["",v]):C(c)($))
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I=p=>{var $=(a,b)=>a==R?c=>b(c):Z(a)?c=>$(a(c),b):b(a);return p($)}
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J=p=>j=>{var s=I(p),f=k=>{for(var i=0;k[i];++i){try{s=s(k[i])}catch(e){s=I(p),k=""}!Z(s)&&(j(s[1]),s=I(p))}return f};return f}
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K=s=>r=>$=>!s?r:$(R,c=>c!==s[0]?T():K(s.slice(1))(r)($));
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return J(H(""))
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})()
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+20
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const njsp = require("./../dist/index.js");
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// Callback is called when there is a complete JSON
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const parse = njsp((json) => console.log(json));
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parse('[1,2,3,4]');
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parse('[1,2');
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parse(',3,4]');
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parse('[::invalid_json_is_ignored::]');
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parse('{"pos": {"x":');
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parse('1.70, "y": 2.');
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parse('49, "z": 2e3}}');
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parse('[ "aaaa\\"abcd\\u0123\\\\aa\\/aa" ]')
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parse('[true,0,false,0')
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parse(',false,0,true]');
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+27
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{
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"name": "nano-json-stream-parser",
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"version": "0.1.2",
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"description": "Lightweight, streamed JSON parser in 748 bytes",
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"main": "dist/index.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/maiavictor/nano-json-stream-parser.git"
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},
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"keywords": [
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"json",
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"parse"
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],
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"author": "Victor Maia",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/maiavictor/nano-json-stream-parser/issues"
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},
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"homepage": "https://github.com/maiavictor/nano-json-stream-parser#readme"
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,"_resolved": "https://registry.npmjs.org/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz"
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,"_integrity": "sha1-DMj20OK2IrR5xA1JnEbWS3Vcb18="
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,"_from": "nano-json-stream-parser@^0.1.2"
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}
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+136
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// NJSP is just a straightforward monadic parser for JSON.
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const Read = {};
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const error = () => {
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throw "NoParse";
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}
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const readNonWhite = c => bind =>
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bind(c || Read, c => /\s/.test(c)
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? readNonWhite("")(bind)
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: c);
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const parseDigits = c => bind =>
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bind(c || Read, c => /[0-9]/.test(c)
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? bind(parseDigits("")(bind), cs => [cs[0], c + cs[1]])
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: [c, ""]);
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// Well fuck, this is why the do-notation exists
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const parseNumber = c => bind =>
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// Parses sign
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bind(c || Read, c => bind(c === "-"
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? ["","-"]
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: [c,""],
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([c,sign]) =>
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// Parses the base digits
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bind(c || Read, c => bind(c === "0"
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? ["","0"]
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: /[1-9]/.test(c)
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? parseDigits(c)(bind)
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: error(),
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([c, base]) =>
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// Parses the decimal digits
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bind(c || Read, c => bind(c === "."
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? bind(parseDigits("")(bind), ([c,ds]) => [c, "." + ds])
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: [c, ""],
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([c, frac]) =>
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// Parses the exponent
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bind(c || Read, c => bind(/[eE]/.test(c)
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? bind(bind(Read, c => /[+-]/.test(c) ? ["", "e" + c] : [c, "e"]), ([c,es]) =>
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bind(parseDigits(c)(bind), ([c,ds]) => [c, es + ds]))
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: [c, ""],
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([c, exp]) =>
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// Returns the number
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[c, Number(sign + base + frac + exp)]))))))));
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const parseHex = bind =>
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bind(Read, h =>
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/[0-9a-fA-F]/.test(h)
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? parseInt(h,16)
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: error());
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const parseString = bind =>
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bind(bind(Read, c => c !== "\\" ? c :
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bind(Read, c =>
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/[\\"\/bfnrt]/.test(c)
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? ({b:"\b",f:"\f",n:"\n",r:"\r",t:"\t","\\":"\\","/":"/",'"':''})[c]
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: /u/.test(c)
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? bind(parseHex(bind), a =>
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bind(parseHex(bind), b =>
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bind(parseHex(bind), c =>
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bind(parseHex(bind), d =>
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String.fromCharCode(a*4096+b*256+c*16+d)))))
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: error())), c =>
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c === '"' ? "" : bind(parseString(bind), s => (c||'"') + s));
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const parseArray = bind => {
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let array = [];
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const go = c => bind =>
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bind(c || Read, c => c === "]" ? array :
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bind(parseValue(c)(bind), ([c,value]) => (array.push(value),
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bind(readNonWhite(c)(bind), c => /[,\]]/.test(c)
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? go(c === "," ? "" : c)(bind)
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: error()))));
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return go("")(bind);
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}
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const parseObject = bind => {
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let object = {};
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const go = c => bind =>
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bind(c || Read, c => c === "}" ? object :
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bind(readNonWhite(c)(bind), c => c !== '"' ? error() :
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bind(parseString(bind), key =>
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bind(readNonWhite("")(bind), c => c !== ':' ? error() :
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bind(parseValue("")(bind), ([c,val]) => (object[key] = val,
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bind(readNonWhite(c)(bind), c => /[,}]/.test(c)
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? go(c === "," ? "" : c)(bind)
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: error())))))));
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return go("")(bind);
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}
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const parseExact = str => ret => bind => !str
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? ret : bind(Read, c => c !== str[0]
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? error()
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: parseExact(str.slice(1))(ret)(bind));
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const parseValue = c => bind =>
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bind(readNonWhite(c)(bind), c =>
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c === "[" ? bind(parseArray(bind), v => ["",v]) :
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c === "{" ? bind(parseObject(bind), v => ["",v]) :
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c === '"' ? bind(parseString(bind), v => ["",v]) :
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c === 't' ? bind(parseExact("rue")(true)(bind), v => ["",v]) :
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c === 'f' ? bind(parseExact("alse")(false)(bind), v => ["",v]) :
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parseNumber(c)(bind));
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const parseStream = parser => {
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const bind = (a, b) =>
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a === Read
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? c => b(c)
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: typeof a === "function"
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? c => bind(a(c), b)
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: b(a);
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return parser(bind);
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}
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const parser = parser => getJSON => {
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let s = parseStream(parser);
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const feed = str => {
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for (let i = 0, l = str.length; i < l; ++i) {
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try {
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s = s(str[i]);
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} catch (e) {
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s = parseStream(parser);
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break;
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}
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if (typeof s !== "function") {
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getJSON(s[1]);
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s = parseStream(parser);
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}
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}
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return feed;
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}
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return feed;
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}
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module.exports = parser(parseValue(""));
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