extract colors from vscode theme

extract.js

// Slapped this together real-quick for some one :D 

const colors    = [];
const themeData = JSON.parse('{"name":"Aurora X","type":"dark","colors":{"icon.foreground":"#576daf","activityBar.background":"#07090F","activityBar.foreground":"#86A5FF","activityBar.inactiveForeground":"#576dafc5","activityBarBadge.background":"#86A5FF","activityBarBadge.foreground":"#07090F","badge.background":"#86A5FF","badge.foreground":"#07090F","breadcrumb.activeSelectionForeground":"#86A5FF","breadcrumb.focusForeground":"#576daf","breadcrumb.foreground":"#576dafa6","breadcrumbPicker.background":"#07090F","button.background":"#86A5FF","button.foreground":"#07090F","button.hoverBackground":"#A8BEFF","diffEditor.insertedTextBackground":"#64d3892c","diffEditor.removedTextBackground":"#dd50742c","diffEditor.diagonalFill":"#15182B","descriptionForeground":"#576daf79","dropdown.background":"#15182B","dropdown.foreground":"#c7d5ff99","editor.background":"#07090F","editorCodeLens.foreground":"#262E47","editorGroup.background":"#07090F","editorGroup.border":"#15182B","editorGroup.dropBackground":"#0C0E19","editorGroup.emptyBackground":"#07090F","editorGroupHeader.tabsBackground":"#07090F","editor.findMatchBackground":"#576daf","editor.findMatchHighlightBackground":"#262E47","editorLineNumber.activeForeground":"#576dafd8","editorLineNumber.foreground":"#262e47bb","editorCursor.background":"#01030b","editorCursor.foreground":"#86A5FF","editor.selectionBackground":"#262E47","editor.inactiveSelectionBackground":"#262e47be","editor.selectionHighlightBackground":"#262E47","editor.wordHighlightBackground":"#262E47","editor.wordHighlightStrongBackground":"#262E47","editorWidget.background":"#15182B","editorWidget.border":"#576daf","extensionButton.prominentBackground":"#C7D5FF","extensionButton.prominentForeground":"#07090F","focusBorder":"#262E47","foreground":"#576daf","gitDecoration.addedResourceForeground":"#64d389fd","gitDecoration.deletedResourceForeground":"#dd5074","gitDecoration.ignoredResourceForeground":"#576daf90","gitDecoration.modifiedResourceForeground":"#c778db","gitDecoration.untrackedResourceForeground":"#576daf90","list.activeSelectionBackground":"#000000","list.activeSelectionForeground":"#86A5FF","list.hoverBackground":"#000000","list.hoverForeground":"#A8BEFF","list.focusBackground":"#01030b","list.focusForeground":"#86A5FF","list.inactiveFocusBackground":"#01030b","list.inactiveSelectionBackground":"#000000","list.inactiveSelectionForeground":"#86A5FF","list.highlightForeground":"#A8BEFF","list.dropBackground":"#000000","list.errorForeground":"#dd5074","list.warningForeground":"#e6db7f","input.background":"#15182B","input.foreground":"#86A5FF","inputOption.activeForeground":"#86A5FF","inputValidation.errorBackground":"#dd5073","inputValidation.errorBorder":"#dd5073","inputValidation.errorForeground":"#07090F","quickInput.background":"#0C0E19","notificationCenterHeader.background":"#15182B","notifications.background":"#15182B","panel.border":"#15182B","panelTitle.activeBorder":"#86A5FF","panelTitle.activeForeground":"#C7D5FF","panelTitle.inactiveForeground":"#576daf","peekViewTitle.background":"#262E47","scrollbar.shadow":"#01030b","scrollbarSlider.activeBackground":"#576daf","scrollbarSlider.background":"#262E47","scrollbarSlider.hoverBackground":"#576daf","selection.background":"#01030b","sideBar.background":"#07090F","sideBar.border":"#15182B","sideBarSectionHeader.background":"#07090F","sideBarSectionHeader.foreground":"#86A5FF","statusBar.background":"#86A5FF","statusBar.foreground":"#07090F","statusBar.debuggingBackground":"#c778db","tab.activeBackground":"#07090F","tab.activeBorder":"#86A5FF","tab.activeForeground":"#C7D5FF","tab.border":"#07090F","tab.inactiveBackground":"#07090F","tab.inactiveForeground":"#576dafd8","terminal.foreground":"#A8BEFF","terminal.ansiRed":"#dd5073","terminal.ansiBrightRed":"#dd5073","terminal.ansiGreen":"#63eb90","textLink.foreground":"#86A5FF","titleBar.activeBackground":"#07090F","titleBar.inactiveBackground":"#07090F","titleBar.activeForeground":"#86A5FF","tree.indentGuidesStroke":"#576daf","widget.shadow":"#01030b"},"tokenColors":[{"name":"Comment","scope":["comment","punctuation.definition.comment"],"settings":{"fontStyle":"italic","foreground":"#546E7A"}},{"name":"Variables","scope":["variable","string constant.other.placeholder"],"settings":{"foreground":"#EEFFFF"}},{"name":"Colors","scope":["constant.other.color"],"settings":{"foreground":"#ffffff"}},{"name":"Invalid","scope":["invalid","invalid.illegal"],"settings":{"foreground":"#FF5370"}},{"name":"Keyword, Storage","scope":["keyword","storage.type","storage.modifier"],"settings":{"foreground":"#C792EA"}},{"name":"Operator, Misc","scope":["keyword.control","constant.other.color","punctuation","meta.tag","punctuation.definition.tag","punctuation.separator.inheritance.php","punctuation.definition.tag.html","punctuation.definition.tag.begin.html","punctuation.definition.tag.end.html","punctuation.section.embedded","keyword.other.template","keyword.other.substitution"],"settings":{"foreground":"#89DDFF"}},{"name":"Tag","scope":["entity.name.tag","meta.tag.sgml","markup.deleted.git_gutter"],"settings":{"foreground":"#f07178"}},{"name":"Function, Special Method","scope":["entity.name.function","meta.function-call","variable.function","support.function","keyword.other.special-method"],"settings":{"foreground":"#82AAFF"}},{"name":"Block Level Variables","scope":["meta.block variable.other"],"settings":{"foreground":"#f07178"}},{"name":"Other Variable, String Link","scope":["support.other.variable","string.other.link"],"settings":{"foreground":"#f07178"}},{"name":"Number, Constant, Function Argument, Tag Attribute, Embedded","scope":["constant.numeric","constant.language","support.constant","constant.character","constant.escape","variable.parameter","keyword.other.unit","keyword.other"],"settings":{"foreground":"#F78C6C"}},{"name":"String, Symbols, Inherited Class, Markup Heading","scope":["string","constant.other.symbol","constant.other.key","entity.other.inherited-class","markup.heading","markup.inserted.git_gutter","meta.group.braces.curly constant.other.object.key.js string.unquoted.label.js"],"settings":{"foreground":"#C3E88D"}},{"name":"Class, Support","scope":["entity.name","support.type","support.class","support.orther.namespace.use.php","meta.use.php","support.other.namespace.php","markup.changed.git_gutter","support.type.sys-types"],"settings":{"foreground":"#FFCB6B"}},{"name":"Entity Types","scope":["support.type"],"settings":{"foreground":"#B2CCD6"}},{"name":"CSS Class and Support","scope":["source.css support.type.property-name","source.sass support.type.property-name","source.scss support.type.property-name","source.less support.type.property-name","source.stylus support.type.property-name","source.postcss support.type.property-name"],"settings":{"foreground":"#B2CCD6"}},{"name":"Sub-methods","scope":["entity.name.module.js","variable.import.parameter.js","variable.other.class.js"],"settings":{"foreground":"#FF5370"}},{"name":"Language methods","scope":["variable.language"],"settings":{"fontStyle":"italic","foreground":"#FF5370"}},{"name":"entity.name.method.js","scope":["entity.name.method.js"],"settings":{"fontStyle":"italic","foreground":"#82AAFF"}},{"name":"meta.method.js","scope":["meta.class-method.js entity.name.function.js","variable.function.constructor"],"settings":{"foreground":"#82AAFF"}},{"name":"Attributes","scope":["entity.other.attribute-name"],"settings":{"foreground":"#C792EA"}},{"name":"HTML Attributes","scope":["text.html.basic entity.other.attribute-name.html","text.html.basic entity.other.attribute-name"],"settings":{"fontStyle":"italic","foreground":"#FFCB6B"}},{"name":"CSS Classes","scope":["entity.other.attribute-name.class"],"settings":{"foreground":"#FFCB6B"}},{"name":"CSS ID\'s","scope":["source.sass keyword.control"],"settings":{"foreground":"#82AAFF"}},{"name":"Inserted","scope":["markup.inserted"],"settings":{"foreground":"#C3E88D"}},{"name":"Deleted","scope":["markup.deleted"],"settings":{"foreground":"#FF5370"}},{"name":"Changed","scope":["markup.changed"],"settings":{"foreground":"#C792EA"}},{"name":"Regular Expressions","scope":["string.regexp"],"settings":{"foreground":"#89DDFF"}},{"name":"Escape Characters","scope":["constant.character.escape"],"settings":{"foreground":"#89DDFF"}},{"name":"URL","scope":["*url*","*link*","*uri*"],"settings":{"fontStyle":"underline"}},{"name":"Decorators","scope":["tag.decorator.js entity.name.tag.js","tag.decorator.js punctuation.definition.tag.js"],"settings":{"fontStyle":"italic","foreground":"#82AAFF"}},{"name":"ES7 Bind Operator","scope":["source.js constant.other.object.key.js string.unquoted.label.js"],"settings":{"fontStyle":"italic","foreground":"#FF5370"}},{"name":"JSON Key - Level 0","scope":["source.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#C792EA"}},{"name":"JSON Key - Level 1","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#FFCB6B"}},{"name":"JSON Key - Level 2","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#F78C6C"}},{"name":"JSON Key - Level 3","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#FF5370"}},{"name":"JSON Key - Level 4","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#C17E70"}},{"name":"JSON Key - Level 5","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#82AAFF"}},{"name":"JSON Key - Level 6","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#f07178"}},{"name":"JSON Key - Level 7","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#C792EA"}},{"name":"JSON Key - Level 8","scope":["source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json"],"settings":{"foreground":"#C3E88D"}},{"name":"Markdown - Plain","scope":["text.html.markdown","punctuation.definition.list_item.markdown"],"settings":{"foreground":"#EEFFFF"}},{"name":"Markdown - Markup Raw Inline","scope":["text.html.markdown markup.inline.raw.markdown"],"settings":{"foreground":"#C792EA"}},{"name":"Markdown - Markup Raw Inline Punctuation","scope":["text.html.markdown markup.inline.raw.markdown punctuation.definition.raw.markdown"],"settings":{"foreground":"#65737E"}},{"name":"Markdown - Heading","scope":["markdown.heading","markup.heading | markup.heading entity.name","markup.heading.markdown punctuation.definition.heading.markdown"],"settings":{"foreground":"#C3E88D"}},{"name":"Markup - Italic","scope":["markup.italic"],"settings":{"fontStyle":"italic","foreground":"#f07178"}},{"name":"Markup - Bold","scope":["markup.bold","markup.bold string"],"settings":{"fontStyle":"bold","foreground":"#f07178"}},{"name":"Markup - Bold-Italic","scope":["markup.bold markup.italic","markup.italic markup.bold","markup.quote markup.bold","markup.bold markup.italic string","markup.italic markup.bold string","markup.quote markup.bold string"],"settings":{"fontStyle":"bold","foreground":"#f07178"}},{"name":"Markup - Underline","scope":["markup.underline"],"settings":{"fontStyle":"underline","foreground":"#F78C6C"}},{"name":"Markdown - Blockquote","scope":["markup.quote punctuation.definition.blockquote.markdown"],"settings":{"foreground":"#65737E"}},{"name":"Markup - Quote","scope":["markup.quote"],"settings":{"fontStyle":"italic"}},{"name":"Markdown - Link","scope":["string.other.link.title.markdown"],"settings":{"foreground":"#82AAFF"}},{"name":"Markdown - Link Description","scope":["string.other.link.description.title.markdown"],"settings":{"foreground":"#C792EA"}},{"name":"Markdown - Link Anchor","scope":["constant.other.reference.link.markdown"],"settings":{"foreground":"#FFCB6B"}},{"name":"Markup - Raw Block","scope":["markup.raw.block"],"settings":{"foreground":"#C792EA"}},{"name":"Markdown - Raw Block Fenced","scope":["markup.raw.block.fenced.markdown"],"settings":{"foreground":"#00000050"}},{"name":"Markdown - Fenced Bode Block","scope":["punctuation.definition.fenced.markdown"],"settings":{"foreground":"#00000050"}},{"name":"Markdown - Fenced Bode Block Variable","scope":["markup.raw.block.fenced.markdown","variable.language.fenced.markdown","punctuation.section.class.end"],"settings":{"foreground":"#EEFFFF"}},{"name":"Markdown - Fenced Language","scope":["variable.language.fenced.markdown"],"settings":{"foreground":"#65737E"}},{"name":"Markdown - Separator","scope":["meta.separator"],"settings":{"fontStyle":"bold","foreground":"#65737E"}},{"name":"Markup - Table","scope":["markup.table"],"settings":{"foreground":"#EEFFFF"}}]}');
const keys      = Object.keys(themeData);


const getColors = (data, key) => {
    const value = data[key];


    if (typeof value === 'string' && value.startsWith('#') && !colors.includes(value)) {
        colors.push(value);
        return;
    }

    if (typeof value === 'object') {
        for (let childKey of Object.keys(value)) {
            getColors(value, childKey);
        }
    }
};
for (let key of keys) {
    getColors(themeData, key);
}

console.log(JSON.stringify(colors), null, 4);