| 1 | {"version":3,"sources":["@wordpress/edit-post/src/store/utils.js"],"names":["onChangeListener","selector","listener","previousValue","selectedValue"],"mappings":"AAAA;;;;;;;;AAQA,OAAO,IAAMA,gBAAgB,GAAG,SAAnBA,gBAAmB,CAAEC,QAAF,EAAYC,QAAZ,EAA0B;AACzD,MAAIC,aAAa,GAAGF,QAAQ,EAA5B;AACA,SAAO,YAAM;AACZ,QAAMG,aAAa,GAAGH,QAAQ,EAA9B;;AACA,QAAKG,aAAa,KAAKD,aAAvB,EAAuC;AACtCA,MAAAA,aAAa,GAAGC,aAAhB;AACAF,MAAAA,QAAQ,CAAEE,aAAF,CAAR;AACA;AACD,GAND;AAOA,CATM","sourcesContent":["/**\n * Given a selector returns a functions that returns the listener only\n * if the returned value from the selector changes.\n *\n * @param {function} selector Selector.\n * @param {function} listener Listener.\n * @return {function} Listener creator.\n */\nexport const onChangeListener = ( selector, listener ) => {\n\tlet previousValue = selector();\n\treturn () => {\n\t\tconst selectedValue = selector();\n\t\tif ( selectedValue !== previousValue ) {\n\t\t\tpreviousValue = selectedValue;\n\t\t\tlistener( selectedValue );\n\t\t}\n\t};\n};\n"]} |