@wordpress/block-editor
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{
"version": 3,
"sources": ["../../src/utils/block-bindings.js"],
"sourcesContent": ["const DEFAULT_ATTRIBUTE = '__default';\nconst PATTERN_OVERRIDES_SOURCE = 'core/pattern-overrides';\n\n/**\n * Checks if the block has the `__default` binding for pattern overrides.\n *\n * @param {?Record<string, object>} bindings A block's bindings from the metadata attribute.\n *\n * @return {boolean} Whether the block has the `__default` binding for pattern overrides.\n */\nexport function hasPatternOverridesDefaultBinding( bindings ) {\n\treturn bindings?.[ DEFAULT_ATTRIBUTE ]?.source === PATTERN_OVERRIDES_SOURCE;\n}\n\n/**\n * Returns the bindings with the `__default` binding for pattern overrides\n * replaced with the full-set of supported attributes. e.g.:\n *\n * - bindings passed in: `{ __default: { source: 'core/pattern-overrides' } }`\n * - bindings returned: `{ content: { source: 'core/pattern-overrides' } }`\n *\n * @param {?Record<string, object>} bindings A block's bindings from the metadata attribute.\n * @param {string[]} supportedAttributes The block's attributes which are supported by block bindings.\n *\n * @return {Object} The bindings with default replaced for pattern overrides.\n */\nexport function replacePatternOverridesDefaultBinding(\n\tbindings,\n\tsupportedAttributes\n) {\n\t// The `__default` binding currently only works for pattern overrides.\n\tif ( hasPatternOverridesDefaultBinding( bindings ) ) {\n\t\tconst bindingsWithDefaults = {};\n\t\tfor ( const attributeName of supportedAttributes ) {\n\t\t\t// If the block has mixed binding sources, retain any non pattern override bindings.\n\t\t\tconst bindingSource = bindings[ attributeName ]\n\t\t\t\t? bindings[ attributeName ]\n\t\t\t\t: { source: PATTERN_OVERRIDES_SOURCE };\n\t\t\tbindingsWithDefaults[ attributeName ] = bindingSource;\n\t\t}\n\n\t\treturn bindingsWithDefaults;\n\t}\n\n\treturn bindings;\n}\n"],
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