support css vars (fixes #1230)

diff --git a/package-lock.json b/package-lock.json
index 62fbebbf46a8938a0f295241fd05455e3deb346b..c0a63943ae07d6b9b9bda5b9d4c24fb20ca57097 100644 (file)
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "prettier": "^2.8.8",
         "rollup": "^3.25.1",
         "rollup-plugin-filesize": "^10.0.0",
-        "svgdom": "^0.1.14",
+        "svgdom": "^0.1.16",
         "typescript": "^5.1.3",
         "yargs": "^17.7.2"
       },
@@ -2696,6 +2696,16 @@
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       "dev": true
     },
+    "node_modules/@swc/helpers": {
+      "version": "0.4.36",
+      "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.4.36.tgz",
+      "integrity": "sha512-5lxnyLEYFskErRPenYItLRSge5DjrJngYKdVjRSrWfza9G6KkgHEXi0vUZiyUeMU5JfXH1YnvXZzSp8ul88o2Q==",
+      "dev": true,
+      "dependencies": {
+        "legacy-swc-helpers": "npm:@swc/helpers@=0.4.14",
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@szmarczak/http-timer": {
       "version": "4.0.6",
       "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-4.0.6.tgz",
@@ -3043,6 +3053,7 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
       "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
       "dev": true,
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3059,26 +3070,6 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
-    "node_modules/acorn-node": {
-      "version": "1.8.2",
-      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.8.2.tgz",
-      "integrity": "sha512-8mt+fslDufLYntIoPAaIMUe/lrbrehIiwmR3t2k9LljIzoigEPF27eLk2hy8zSGzmR/ogr7zbRKINMo1u0yh5A==",
-      "dev": true,
-      "dependencies": {
-        "acorn": "^7.0.0",
-        "acorn-walk": "^7.0.0",
-        "xtend": "^4.0.2"
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-    "node_modules/acorn-walk": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz",
-      "integrity": "sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.4.0"
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@@ -3134,16 +3125,6 @@
         "url": "https://github.com/sponsors/epoberezkin"
       }
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-    "node_modules/amdefine": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
-      "dev": true,
-      "optional": true,
-      "engines": {
-        "node": ">=0.4.2"
-      }
-    },
     "node_modules/ansi-align": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.1.tgz",
@@ -3370,12 +3351,6 @@
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       }
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-    "node_modules/array-from": {
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-      "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
-      "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.6.tgz",
@@ -3452,91 +3427,6 @@
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-      "resolved": "https://registry.npmjs.org/ast-transform/-/ast-transform-0.0.0.tgz",
-      "integrity": "sha1-dJRAWIh9goPhidlUYAlHvJj+AGI=",
-      "dev": true,
-      "dependencies": {
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-        "esprima": "~1.0.4",
-        "through": "~2.3.4"
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-      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.2.0.tgz",
-      "integrity": "sha1-Cd55Z3kcyVi3+Jot220jRRrzJ+E=",
-      "dev": true,
-      "dependencies": {
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-        "estraverse": "~1.5.0",
-        "esutils": "~1.0.0"
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-      "bin": {
-        "escodegen": "bin/escodegen.js",
-        "esgenerate": "bin/esgenerate.js"
-      },
-      "engines": {
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-      "optionalDependencies": {
-        "source-map": "~0.1.30"
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-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-1.0.4.tgz",
-      "integrity": "sha1-n1V+CPw7TSbs6d00+Pv0drYlha0=",
-      "dev": true,
-      "bin": {
-        "esparse": "bin/esparse.js",
-        "esvalidate": "bin/esvalidate.js"
-      },
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-      "integrity": "sha1-hno+jlip+EYYr7bC3bzZFrfLr3E=",
-      "dev": true,
-      "engines": {
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-    "node_modules/ast-transform/node_modules/esutils": {
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-      "integrity": "sha1-gVHTWOIMisx/t0XnRywAJf5JZXA=",
-      "dev": true,
-      "engines": {
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-    },
-    "node_modules/ast-transform/node_modules/source-map": {
-      "version": "0.1.43",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-      "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "amdefine": ">=0.0.4"
-      },
-      "engines": {
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-      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.7.8.tgz",
-      "integrity": "sha1-kC0uDWDQcb3NRtwRXhgJ7RHBOKk=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
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@@ -3640,30 +3530,6 @@
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       }
     },
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-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
-      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
-      "dev": true,
-      "dependencies": {
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-        "regenerator-runtime": "^0.11.0"
-      }
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-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
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-      "deprecated": "core-js@<3.23.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Some versions have web compatibility issues. Please, upgrade your dependencies to the actual version of core-js.",
-      "dev": true,
-      "hasInstallScript": true
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-      "version": "0.11.1",
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@@ -4097,25 +3963,10 @@
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-      "dev": true,
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-        "resolve": "^1.1.5",
-        "static-module": "^3.0.2",
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-      "bin": {
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-      "integrity": "sha1-UlqcrU/LqWR119OI9q7LE+7VL0Y=",
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/brotli/-/brotli-1.3.3.tgz",
+      "integrity": "sha512-oTKjJdShmDuGW94SyyaoQvAjf30dZaHnjJ8uAF+u2/vGJkJbJPJAT1gDiOJP5v1Zb6f9KEyW/1HpuaWIXtGHPg==",
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@@ -4133,32 +3984,6 @@
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-      "dev": true
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-        "ast-types": "^0.7.0",
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@@ -4240,15 +4065,6 @@
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@@ -4642,9 +4458,9 @@
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-      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
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+      "version": "2.1.2",
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@@ -4754,21 +4570,6 @@
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@@ -5072,22 +4873,6 @@
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@@ -5337,23 +5122,6 @@
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@@ -6000,81 +5759,12 @@
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       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -13253,12 +12762,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
-    },
     "node_modules/typescript": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
@@ -13349,25 +12852,15 @@
       }
     },
     "node_modules/unicode-properties": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/unicode-properties/-/unicode-properties-1.3.1.tgz",
-      "integrity": "sha512-nIV3Tf3LcUEZttY/2g4ZJtGXhWwSkuLL+rCu0DIAMbjyVPj+8j5gNVz4T/sVbnQybIsd5SFGkPKg/756OY6jlA==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/unicode-properties/-/unicode-properties-1.4.1.tgz",
+      "integrity": "sha512-CLjCCLQ6UuMxWnbIylkisbRj31qxHPAurvena/0iwSVbQ2G1VY5/HjV0IRabOEbDHlzZlRdCrD4NhB0JtU40Pg==",
       "dev": true,
       "dependencies": {
         "base64-js": "^1.3.0",
         "unicode-trie": "^2.0.0"
       }
     },
-    "node_modules/unicode-properties/node_modules/unicode-trie": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/unicode-trie/-/unicode-trie-2.0.0.tgz",
-      "integrity": "sha512-x7bc76x0bm4prf1VLg79uhAzKw8DVboClSN5VxJuQ+LKDOVEW9CdH+VY7SP+vX7xCYQqzzgQpFqz15zeLvAtZQ==",
-      "dev": true,
-      "dependencies": {
-        "pako": "^0.2.5",
-        "tiny-inflate": "^1.0.0"
-      }
-    },
     "node_modules/unicode-property-aliases-ecmascript": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-2.1.0.tgz",
@@ -13378,9 +12871,9 @@
       }
     },
     "node_modules/unicode-trie": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/unicode-trie/-/unicode-trie-0.3.1.tgz",
-      "integrity": "sha1-1nHd3YkQGgi6w3tqUWEBBgIFIIU=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-trie/-/unicode-trie-2.0.0.tgz",
+      "integrity": "sha512-x7bc76x0bm4prf1VLg79uhAzKw8DVboClSN5VxJuQ+LKDOVEW9CdH+VY7SP+vX7xCYQqzzgQpFqz15zeLvAtZQ==",
       "dev": true,
       "dependencies": {
         "pako": "^0.2.5",

diff --git a/package.json b/package.json
index 53ecb646f4e9ff723427b933f8a47ed3e8d81fc2..af08c2b34e150ffdea11a7377441347f7819a615 100644 (file)
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "prettier": "^2.8.8",
     "rollup": "^3.25.1",
     "rollup-plugin-filesize": "^10.0.0",
-    "svgdom": "^0.1.14",
+    "svgdom": "^0.1.16",
     "typescript": "^5.1.3",
     "yargs": "^17.7.2"
   },

diff --git a/spec/spec/modules/optional/css.js b/spec/spec/modules/optional/css.js
index 8a42acf3f5e71025fd7b1f4ee10478d589733d75..a0fa701c04af4ac2f679036b562e3b47f36cb54e 100644 (file)
--- a/spec/spec/modules/optional/css.js
+++ b/spec/spec/modules/optional/css.js
@@ -34,6 +34,13 @@ describe('css.js', () => {
           expect(rect.css('fill')).toBe('none')
         })
 
+        it('correctly returns css vars', () => {
+          const rect = new Rect({
+            style: '--foo: red;'
+          })
+          expect(rect.css('--foo')).toBe('red')
+        })
+
         it('returns undefined if css property is not set', () => {
           const rect = new Rect({
             style: 'fill: none; outline-width: 1px; stroke: none'
@@ -94,6 +101,22 @@ describe('css.js', () => {
           })
           expect(rect.css({ fill: null, stroke: 'black' }).css('fill')).toBe('')
         })
+
+        it('allows single set of css vars', () => {
+          const rect = new Rect().css('--foo', 'red').css('--foo', 'green')
+          expect(rect.css()).toEqual({
+            '--foo': 'green'
+          })
+        })
+
+        it('allows multiple set of css vars via object', () => {
+          const rect = new Rect().css({ '--foo': 'red', '--bar': 'green' })
+
+          expect(rect.css()).toEqual({
+            '--foo': 'red',
+            '--bar': 'green'
+          })
+        })
       })
     })
 

diff --git a/src/modules/optional/css.js b/src/modules/optional/css.js
index 92f8c21723cc1019772fc8db6437436690030cec..49a467bdf63bdf779d7295b9c7cb0f9b93147467 100644 (file)
--- a/src/modules/optional/css.js
+++ b/src/modules/optional/css.js
@@ -2,6 +2,8 @@ import { camelCase } from '../../utils/utils.js'
 import { isBlank } from '../core/regex.js'
 import { registerMethods } from '../../utils/methods.js'
 
+const camelCaseWithVars = (str) => (str.startsWith('--') ? str : camelCase(str))
+
 // Dynamic style generator
 export function css(style, val) {
   const ret = {}
@@ -23,31 +25,35 @@ export function css(style, val) {
     // get style properties as array
     if (Array.isArray(style)) {
       for (const name of style) {
-        const cased = camelCase(name)
-        ret[name] = this.node.style[cased]
+        const cased = camelCaseWithVars(name)
+        ret[name] = this.node.style.getPropertyValue(cased)
       }
       return ret
     }
 
     // get style for property
     if (typeof style === 'string') {
-      return this.node.style[camelCase(style)]
+      return this.node.style.getPropertyValue(camelCaseWithVars(style))
     }
 
     // set styles in object
     if (typeof style === 'object') {
       for (const name in style) {
         // set empty string if null/undefined/'' was given
-        this.node.style[camelCase(name)] =
+        this.node.style.setProperty(
+          camelCaseWithVars(name),
           style[name] == null || isBlank.test(style[name]) ? '' : style[name]
+        )
       }
     }
   }
 
   // set style for property
   if (arguments.length === 2) {
-    this.node.style[camelCase(style)] =
+    this.node.style.setProperty(
+      camelCaseWithVars(style),
       val == null || isBlank.test(val) ? '' : val
+    )
   }
 
   return this

diff --git a/svg.js.d.ts b/svg.js.d.ts
index 8a9133a52d3a5f74924c779f2741038889ff64d3..57a665c309fdc3b8e02f14bf314d1474b089743d 100644 (file)
--- a/svg.js.d.ts
+++ b/svg.js.d.ts
@@ -10,6 +10,11 @@ declare type CSSStyleName = Exclude<
   'parentRule' | 'length'
 >
 
+// create our own style declaration that includes css vars
+export interface CSSStyleDeclarationWithVars extends CSSStyleDeclaration {
+  [key: `--${string}`]: string
+}
+
 declare module '@svgdotjs/svg.js' {
   function SVG(): Svg
   /**
@@ -1160,11 +1165,16 @@ declare module '@svgdotjs/svg.js' {
     toggleClass(name: string): this
 
     // prototype method register in css.js
-    css(): Partial<CSSStyleDeclaration>
-    css<T extends CSSStyleName>(style: T): CSSStyleDeclaration[T]
-    css<T extends CSSStyleName[]>(style: T): Partial<CSSStyleDeclaration>
-    css<T extends CSSStyleName>(style: T, val: CSSStyleDeclaration[T]): this
-    css(style: Partial<CSSStyleDeclaration>): this
+    css(): Partial<CSSStyleDeclarationWithVars>
+    css<T extends CSSStyleName>(style: T): CSSStyleDeclarationWithVars[T]
+    css<T extends CSSStyleName[]>(
+      style: T
+    ): Partial<CSSStyleDeclarationWithVars>
+    css<T extends CSSStyleName>(
+      style: T,
+      val: CSSStyleDeclarationWithVars[T]
+    ): this
+    css(style: Partial<CSSStyleDeclarationWithVars>): this
     show(): this
     hide(): this
     visible(): boolean