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R=jacktfranklin@chromium.org Bug: none Change-Id: I0ad7ba9133af3db19c448a284d79bdfc08101dea Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3268294 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var Call = require('./Call');
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var Get = require('./Get');
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var IsCallable = require('./IsCallable');
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var Type = require('./Type');
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var inspect = require('object-inspect');
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// https://262.ecma-international.org/8.0/#sec-ordinarytoprimitive
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module.exports = function OrdinaryToPrimitive(O, hint) {
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if (Type(O) !== 'Object') {
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throw new $TypeError('Assertion failed: Type(O) is not Object');
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}
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if (/* Type(hint) !== 'String' || */ hint !== 'string' && hint !== 'number') {
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throw new $TypeError('Assertion failed: `hint` must be "string" or "number"');
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}
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var methodNames = hint === 'string' ? ['toString', 'valueOf'] : ['valueOf', 'toString'];
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for (var i = 0; i < methodNames.length; i += 1) {
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var name = methodNames[i];
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var method = Get(O, name);
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if (IsCallable(method)) {
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var result = Call(method, O);
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if (Type(result) !== 'Object') {
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return result;
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}
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}
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}
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throw new $TypeError('No primitive value for ' + inspect(O));
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};
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