56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
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var configuration = require('../../configuration');
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var InvalidPropertyError = require('../../invalid-property-error');
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function populateComponents(properties, validator, warnings) {
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var component;
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var j, m;
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for (var i = properties.length - 1; i >= 0; i--) {
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var property = properties[i];
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var descriptor = configuration[property.name];
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if (!property.dynamic && descriptor && descriptor.shorthand) {
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if (onlyValueIsVariable(property, validator) || moreThanOneValueIsVariable(property, validator)) {
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property.optimizable = false;
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continue;
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}
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property.shorthand = true;
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property.dirty = true;
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try {
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property.components = descriptor.breakUp(property, configuration, validator);
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if (descriptor.shorthandComponents) {
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for (j = 0, m = property.components.length; j < m; j++) {
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component = property.components[j];
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component.components = configuration[component.name].breakUp(component, configuration, validator);
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}
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}
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} catch (e) {
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if (e instanceof InvalidPropertyError) {
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property.components = []; // this will set property.unused to true below
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warnings.push(e.message);
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} else {
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throw e;
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}
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}
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if (property.components.length > 0)
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property.multiplex = property.components[0].multiplex;
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else
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property.unused = true;
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}
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}
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}
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function onlyValueIsVariable(property, validator) {
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return property.value.length == 1 && validator.isVariable(property.value[0][1]);
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}
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function moreThanOneValueIsVariable(property, validator) {
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return property.value.length > 1 && property.value.filter(function (value) { return validator.isVariable(value[1]); }).length > 1;
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}
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module.exports = populateComponents;
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