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45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
11 years ago
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module.exports = function summarizeObject (obj) {
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var summary = {}, keys;
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if (obj instanceof Array) {
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keys = obj.map(function (e, i) { return i; });
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} else if (typeof obj === 'object') {
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keys = Object.keys(obj);
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} else {
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return '=' + obj.toString().substr(0, 10);
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}
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var id;
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if (keys.some(function (key) {
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var lowKey = key.toLowerCase();
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if (lowKey.indexOf('name') !== -1 ||
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lowKey.indexOf('id') !== -1) {
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return id = key;
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}
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})) {
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return '.' + id + '="' + obj[id].toString() + '"';
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}
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if (keys.length > 5) {
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keys = keys.slice(0, 5);
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}
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keys.forEach(function (key) {
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var val = obj[key];
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if (val instanceof Array) {
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summary[key] = '[ … ]';
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} else if (typeof val === 'object') {
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summary[key] = '{ … }';
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} else if (typeof val === 'function') {
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summary[key] = 'fn';
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} else {
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summary[key] = obj[key].toString();
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if (summary[key].length > 10) {
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summary[key] = summary[key].substr(0, 10) + '…';
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}
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}
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});
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return '=' + JSON.stringify(summary);
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};
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