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30 lines
750 B
30 lines
750 B
2 years ago
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var castPath = require('./castPath');
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var isUndef = require('./isUndef');
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var toStr = require('./toStr');
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var isSymbol = require('./isSymbol');
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var isStr = require('./isStr');
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exports = function(obj, path, val) {
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path = castPath(path, obj);
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var lastProp = path.pop();
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var prop;
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prop = path.shift();
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while (!isUndef(prop)) {
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if (!isStr(prop) && !isSymbol(prop)) {
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prop = toStr(prop);
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}
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if (
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prop === '__proto__' ||
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prop === 'constructor' ||
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prop === 'prototype'
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) {
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return;
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}
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if (!obj[prop]) obj[prop] = {};
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obj = obj[prop];
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prop = path.shift();
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}
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obj[lastProp] = val;
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};
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module.exports = exports;
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