102 lines
No EOL
3.1 KiB
JavaScript
102 lines
No EOL
3.1 KiB
JavaScript
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Elm.Native.Show = function(elm) {
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'use strict';
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elm.Native = elm.Native || {};
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if (elm.Native.Show) return elm.Native.Show;
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var NList = Elm.Native.List(elm);
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var List = Elm.List(elm);
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var Maybe = Elm.Maybe(elm);
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var JS = Elm.JavaScript(elm);
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var Dict = Elm.Dict(elm);
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var Json = Elm.Json(elm);
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elm.node.addEventListener('log', function(e) { console.log(e.value); });
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elm.node.addEventListener('title', function(e) {document.title = e.value;});
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elm.node.addEventListener('redirect', function(e) {
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if (e.value.length > 0) { window.location = e.value; }
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});
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elm.node.addEventListener('viewport', function(e) {
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var node = document.getElementById('elm_viewport');
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if (!node) {
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node = document.createElement('meta');
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node.id = 'elm_viewport';
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node.name = 'viewport';
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document.head.appendChild(node);
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}
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node.content = e.value;
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Dispatcher.notify(elm.Window.dimensions.id,
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Tuple2(elm.node.clientWidth, elm.node.clientHeight));
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});
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var toString = function(v) {
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if (typeof v === "function") {
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return "<function>";
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} else if (typeof v === "boolean") {
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return v ? "True" : "False";
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} else if (typeof v === "number") {
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return v+"";
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} else if (typeof v === "string" && v.length < 2) {
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return "'"+v+"'";
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} else if (typeof v === "object" && ('_' in v)) {
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var output = [];
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for (var k in v._) {
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console.log(k,v._[k]);
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for (var i = v._[k].length; i--; ) {
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output.push(k + " = " + toString(v._[k][i]));
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}
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}
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for (var k in v) {
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if (k === '_') continue;
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output.push(k + " = " + toString(v[k]));
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}
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if (output.length === 0) return "{}";
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return "{ " + output.join(", ") + " }";
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} else if ('ctor' in v) {
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if (v.ctor.substring(0,5) === "Tuple") {
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var output = [];
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for (var k in v) {
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if (k === 'ctor') continue;
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output.push(toString(v[k]));
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}
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return "(" + output.join(",") + ")";
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} else if (v.ctor === "Cons") {
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var isStr = typeof v._0 === "string",
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start = isStr ? '"' : "[",
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end = isStr ? '"' : "]",
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sep = isStr ? "" : ",",
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f = !isStr ? toString : function(x){
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return x === '\n' ? '\\n' : x;
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};
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var output = start + f(v._0);
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v = v._1;
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while (v.ctor === "Cons") {
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output += sep + f(v._0);
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v = v._1;
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}
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return output + end;
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} else if (v.ctor === "Nil") {
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return "[]";
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} else if (v.ctor === "RBNode" || v.ctor === "RBEmpty") {
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var cons = F3(function(k,v,acc){return NList.Cons(Tuple2(k,v),acc)});
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var list = A3(Dict.foldr, cons, NList.Nil, v);
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var name = "Dict";
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if (list.ctor === "Cons" && list._0._1.ctor === "Tuple0") {
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name = "Set";
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list = A2(List.map, function(x){return x._0}, list);
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}
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return "(" + name + ".fromList " + toString(list) + ")";
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} else {
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var output = "";
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for (var i = v.length; --i; ) { output = ' ' + toString(v[i]) + output; }
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output = v.ctor + output;
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return (v.length > 1) ? "(" + output + ")" : output;
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}
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}
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return v+"";
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};
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function show(v) { return NList.fromArray(toString(v)); }
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return elm.Native.Show = { show:show };
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}; |