| 1 | // tooling
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| 2 | import getClosestVariable from './get-closest-variable';
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| 3 |
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| 4 | // set a variable on a node
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| 5 | export default function setVariable(node, name, value, opts) {
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| 6 | // if the value is not a default with a value already defined
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| 7 | if (!matchDefault.test(value) || getClosestVariable(name, node, opts) === undefined) {
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| 8 | // the value without a default suffix
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| 9 | const undefaultedValue = matchDefault.test(value)
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| 10 | ? value.replace(matchDefault, '')
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| 11 | : value;
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| 12 |
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| 13 | // ensure the node has a variables object
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| 14 | node.variables = node.variables || {};
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| 15 |
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| 16 | // set the variable
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| 17 | node.variables[name] = undefaultedValue;
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| 18 | }
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| 19 | }
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| 20 |
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| 21 | // match anything ending with a valid !default
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| 22 | const matchDefault = /\s+!default$/;
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