78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
var conversions = require('./conversions');
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var route = require('./route');
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var convert = {};
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var models = Object.keys(conversions);
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function wrapRaw(fn) {
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var wrappedFn = function (args) {
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if (args === undefined || args === null) {
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return args;
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}
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if (arguments.length > 1) {
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args = Array.prototype.slice.call(arguments);
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}
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return fn(args);
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};
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// preserve .conversion property if there is one
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if ('conversion' in fn) {
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wrappedFn.conversion = fn.conversion;
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}
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return wrappedFn;
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}
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function wrapRounded(fn) {
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var wrappedFn = function (args) {
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if (args === undefined || args === null) {
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return args;
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}
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if (arguments.length > 1) {
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args = Array.prototype.slice.call(arguments);
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}
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var result = fn(args);
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// we're assuming the result is an array here.
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// see notice in conversions.js; don't use box types
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// in conversion functions.
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if (typeof result === 'object') {
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for (var len = result.length, i = 0; i < len; i++) {
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result[i] = Math.round(result[i]);
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}
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}
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return result;
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};
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// preserve .conversion property if there is one
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if ('conversion' in fn) {
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wrappedFn.conversion = fn.conversion;
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}
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return wrappedFn;
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}
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models.forEach(function (fromModel) {
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convert[fromModel] = {};
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Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
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Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
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var routes = route(fromModel);
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var routeModels = Object.keys(routes);
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routeModels.forEach(function (toModel) {
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var fn = routes[toModel];
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convert[fromModel][toModel] = wrapRounded(fn);
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convert[fromModel][toModel].raw = wrapRaw(fn);
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});
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});
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module.exports = convert;
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