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energy-label

⚡ A tool for generating EU-compliant energy labels in SVG format.

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energy-label

v1.0.0MIT

Generate EU-compliant energy labels in SVG format.

npm i energy-label

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energy-label

energy-label

1.0.08611322

1.0.0 (2026-10-26) Bug Fixes Add fallback font stacks to SVG templates (fa35528) Correct incorrect battery endurance variable name (a21f8cd) Correct types for createEnergyLabel function (6271aaf) Display battery cycle count as numeric data (dc0a765) docs: Correct input field names (584b121) docs: Correct installed version of energy-label dependency (2aa3e49) docs: Correct URL for Open Graph image (b0b966d) Draw QR code as vector path (b8d0e95) Ensure unique SVG IDs across labels (d27b753) Escape user input in SVG labels and URLs (3a1e0c2) Hide missing fridge or freezer compartments (2638de6) Link QR codes to product groups without registration numbers (dedaf18) Move SVGO to dev dependencies (a1e0d92) Position A–E scale without alignment-baseline (6dccaa9) Preserve ID attributes on SVG optimization (e43be13) Redefine SVG structure for the UK flag (200b037) Remove CommonJS export (20cc971) Remove SVG IDs for deterministic label markup (22dec9a) Remove test item from EU regulations (95571e5) Rename mask IDs in flagUK to avoid collision (80db062) Restrict class fields to regulation values (d777be2) Show battery cycles from EPREL hundreds (5f58f56) Simplify arrow efficiency label rendering (3e54bfa) smartphones: Adjust battery display and adds regulation number (59d7483) template: Improve handling of battery endurance values (bfa7026) template: Refine battery endurance type for data consistency (653d8ee) templates: Allows null capFreezeNet values (0080adf) template: Swap chill and frozen volume display (3530522) Type template factories by name (230a6e0) Update QR code generation with product-specific URLs (54318c1) Validate classes and flag origin (a097256) Features Add PRODUCTGROUPS constant and exports it (0a732d8) Add fridge and freezer support and type definitions (f1179a5) Add image generation for efficiency class arrows (8af2eb3) Add label orientation to ArrowTemplate (b0d4995) Add render functions to bundle single labels (358268c) Add strict energy class type definitions (1c98c28) Add support for products sold in Great Britain (3edfff7) Align data interfaces with EPREL Public API (240e649) Extract DOM manipulation to utility functions (8bdc671) Integrate svgo for SVG optimization (751afc0) Introduce createClassArrow function to factories (7a5f579) Introduce template for smartphones and tablets (028ce94) Make API more intuitive and update documentation (7f4fce6) Match official EPREL QR codes (fed6590) Remove async from toString calls (cb7bd25) Rename generateSVGString to generateLabel (2c2f0fd) Simplify SVG appending logic (86c876d) template: Optimize SVG output formatting (25853a6) Update EnergyLabelOptions interface (4de9e6d) Use human readable identifiers for templates (8211ef0) Performance Improvements Optimize SVG template markup (e674382)

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energy-label

energy-label

1.0.0-beta.13979f85d

1.0.0-beta.13 (2026-10-25) Bug Fixes Draw QR code as vector path (b8d0e95) Hide missing fridge or freezer compartments (2638de6) Remove SVG IDs for deterministic label markup (22dec9a) Restrict class fields to regulation values (d777be2) Show battery cycles from EPREL hundreds (5f58f56) Validate classes and flag origin (a097256) Features Match official EPREL QR codes (fed6590)

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energy-label

energy-label

1.0.0-beta.12e64b7b1

1.0.0-beta.12 (2026-10-17) Bug Fixes Add fallback font stacks to SVG templates (fa35528) Display battery cycle count as numeric data (dc0a765) Ensure unique SVG IDs across labels (d27b753) Escape user input in SVG labels and URLs (3a1e0c2) Link QR codes to product groups without registration numbers (dedaf18) Move SVGO to dev dependencies (a1e0d92) Simplify arrow efficiency label rendering (3e54bfa) Type template factories by name (230a6e0) Performance Improvements Optimize SVG template markup (e674382)

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energy-label

energy-label

1.0.0-beta.1097bce3a

1.0.0-beta.10 (2025-07-11) Bug Fixes Correct incorrect battery endurance variable name (a21f8cd) Rename mask IDs in flagUK to avoid collision (80db062) Features Add strict energy class type definitions (1c98c28) Introduce createClassArrow function to factories (7a5f579) Remove async from toString calls (cb7bd25)

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energy-label

energy-label

1.0.0-beta.9ad0db5a

1.0.0-beta.9 (2025-07-08) Bug Fixes Redefine SVG structure for the UK flag (200b037) template: Improve handling of battery endurance values (bfa7026) template: Refine battery endurance type for data consistency (653d8ee) Update QR code generation with product-specific URLs (54318c1) Features Add PRODUCTGROUPS constant and exports it (0a732d8) Align data interfaces with EPREL Public API (240e649) Make API more intuitive and update documentation (7f4fce6)

View full release notes

energy-label

energy-label

1.0.0-beta.6bed02c0

1.0.0-beta.6 (2025-06-01) Bug Fixes smartphones: Adjust battery display and adds regulation number (59d7483) Features Extract DOM manipulation to utility functions (8bdc671) Rename generateSVGString to generateLabel (2c2f0fd) Simplify SVG appending logic (86c876d) template: Optimize SVG output formatting (25853a6)

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energy-label

energy-label

1.0.0-beta.4a93ab2b

1.0.0-beta.4 (2025-05-05) Bug Fixes Correct types for createEnergyLabel function (6271aaf) Remove test item from EU regulations (95571e5) Features Add image generation for efficiency class arrows (8af2eb3) Use human readable identifiers for templates (8211ef0)

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energy-label

energy-label

1.0.0-beta.354d15bf

1.0.0-beta.3 (2025-04-24) Bug Fixes docs: Correct input field names (584b121) docs: Correct URL for Open Graph image (b0b966d) Features Add fridge and freezer support and type definitions (f1179a5) Update EnergyLabelOptions interface (4de9e6d)

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energy-label

energy-label

1.0.0-beta.229bbc5f

1.0.0-beta.2 (2025-03-28) Bug Fixes docs: Correct installed version of energy-label dependency (2aa3e49) Remove CommonJS export (20cc971) Features Add support for products sold in Great Britain (3edfff7)

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latest deployment

docs.label.energy

Last deployed · github-pages

Deployment to github-pages

latest commits

chore(release): 1.0.0 [skip ci]

Committed  · energy-label

# 1.0.0 (2026-10-26) ### Bug Fixes * Add fallback font stacks to SVG templates ([fa35528](https://github.com/marcmarine/energy-label/commit/fa355283fd535756a5c63c14102f62ae33451d1a)) * Correct incorrect battery endurance variable name ([a21f8cd](https://github.com/marcmarine/energy-label/commit/a21f8cd211c507fdb9f8b14b849d915047608617)) * Correct types for `createEnergyLabel` function ([6271aaf](https://github.com/marcmarine/energy-label/commit/6271aaf54339db9e361c14920624c057d53204fd)) * Display battery cycle count as numeric data ([dc0a765](https://github.com/marcmarine/energy-label/commit/dc0a7659d87f2f8275f2fdbfbdb1685cb0297f2c)) * **docs:** Correct input field names ([584b121](https://github.com/marcmarine/energy-label/commit/584b121160732156965a73c7dc6b412afea82327)) * **docs:** Correct installed version of `energy-label` dependency ([2aa3e49](https://github.com/marcmarine/energy-label/commit/2aa3e4959334fbc4566ebdd03cc62d9206a68905)) * **docs:** Correct URL for Open Graph image ([b0b966d](https://github.com/marcmarine/energy-label/commit/b0b966dcac2671f36032ca2b5f8bdd94afb9c987)) * Draw QR code as vector path ([b8d0e95](https://github.com/marcmarine/energy-label/commit/b8d0e9573490901386cc15357fa6e6f971aaa783)) * Ensure unique SVG IDs across labels ([d27b753](https://github.com/marcmarine/energy-label/commit/d27b753dfb1bfb395a3730f79614a773776b46ee)) * Escape user input in SVG labels and URLs ([3a1e0c2](https://github.com/marcmarine/energy-label/commit/3a1e0c2b746d2bef38f76b1f719781ac605e6cf5)) * Hide missing fridge or freezer compartments ([2638de6](https://github.com/marcmarine/energy-label/commit/2638de6e84e26cb913a2f41604f2bc75240765c3)) * Link QR codes to product groups without registration numbers ([dedaf18](https://github.com/marcmarine/energy-label/commit/dedaf184e21752e0c83baec8989dc7b5bdbfdc62)) * Move SVGO to dev dependencies ([a1e0d92](https://github.com/marcmarine/energy-label/commit/a1e0d92110bd1fd924ecd453966213d3248e321e)) * Position A–E scale without alignment-baseline ([6dccaa9](https://github.com/marcmarine/energy-label/commit/6dccaa90de056bd6dd0fbafbe539e5a4b93f90b3)) * Preserve ID attributes on SVG optimization ([e43be13](https://github.com/marcmarine/energy-label/commit/e43be13bc830f6b4524f51d6666834c52072fdd5)) * Redefine SVG structure for the UK flag ([200b037](https://github.com/marcmarine/energy-label/commit/200b037d66dbe9f67688e2a7e521ed5fadc98bdc)) * Remove CommonJS export ([20cc971](https://github.com/marcmarine/energy-label/commit/20cc9715eb579b7dff93dc2d7083831d319035d6)) * Remove SVG IDs for deterministic label markup ([22dec9a](https://github.com/marcmarine/energy-label/commit/22dec9a987c80c04b40c803d375b57839b2d7571)) * Remove test item from EU regulations ([95571e5](https://github.com/marcmarine/energy-label/commit/95571e57eebf701785b241d5a26a3f9005a91b42)) * Rename mask IDs in flagUK to avoid collision ([80db062](https://github.com/marcmarine/energy-label/commit/80db062e24a4ea5c34b8f127a5ac0de9a341353c)) * Restrict class fields to regulation values ([d777be2](https://github.com/marcmarine/energy-label/commit/d777be2c2619321f8215f16246f5e97628243936)) * Show battery cycles from EPREL hundreds ([5f58f56](https://github.com/marcmarine/energy-label/commit/5f58f56050514a2a7f9da50145b0e7808be9d6c6)) * Simplify arrow efficiency label rendering ([3e54bfa](https://github.com/marcmarine/energy-label/commit/3e54bfa08763a1647cc3e8e9cc2c87c5edfe4630)) * **smartphones:** Adjust battery display and adds regulation number ([59d7483](https://github.com/marcmarine/energy-label/commit/59d74830d4243e933a0d2610a960cdcb5030ed78)) * **template:** Improve handling of battery endurance values ([bfa7026](https://github.com/marcmarine/energy-label/commit/bfa70263fc877d8b1668fef806710defb4062b5d)) * **template:** Refine battery endurance type for data consistency ([653d8ee](https://github.com/marcmarine/energy-label/commit/653d8eedb4179744954bee74e9e16ff759dd2112)) * **templates:** Allows null capFreezeNet values ([0080adf](https://github.com/marcmarine/energy-label/commit/0080adfca678f34c1d54631bba912f71834b2323)) * **template:** Swap chill and frozen volume display ([3530522](https://github.com/marcmarine/energy-label/commit/3530522138e6f8360f849ca03350b48df56516ea)) * Type template factories by name ([230a6e0](https://github.com/marcmarine/energy-label/commit/230a6e085aa0586f6e12fa84d1ec356aa553fce8)) * Update QR code generation with product-specific URLs ([54318c1](https://github.com/marcmarine/energy-label/commit/54318c12c17a52aad4866dad29a023922b229358)) * Validate classes and flag origin ([a097256](https://github.com/marcmarine/energy-label/commit/a0972567593befb5e84005de2bc987ef98656aac)) ### Features * Add `PRODUCT_GROUPS` constant and exports it ([0a732d8](https://github.com/marcmarine/energy-label/commit/0a732d8f90d68de0ee6d8e1bb8f3778701d2be79)) * Add fridge and freezer support and type definitions ([f1179a5](https://github.com/marcmarine/energy-label/commit/f1179a5e3bd150fc1aab4c589e5e2d71be0cb4df)) * Add image generation for efficiency class arrows ([8af2eb3](https://github.com/marcmarine/energy-label/commit/8af2eb34787299831633a95e89de42f131203018)) * Add label orientation to `ArrowTemplate` ([b0d4995](https://github.com/marcmarine/energy-label/commit/b0d4995c655115f33bc7e700fab1a3fa3d8ce420)) * Add render functions to bundle single labels ([358268c](https://github.com/marcmarine/energy-label/commit/358268c05dc72229f71b7011cb370dd8632adafa)) * Add strict energy class type definitions ([1c98c28](https://github.com/marcmarine/energy-label/commit/1c98c28677d622d7c4d95c16e9c5254cc6ce3738)) * Add support for products sold in Great Britain ([3edfff7](https://github.com/marcmarine/energy-label/commit/3edfff7f3dfe3254ef13ac78cc28766eb2460d03)) * Align data interfaces with EPREL Public API ([240e649](https://github.com/marcmarine/energy-label/commit/240e649010ecf7f81516206562da4908a630cd47)) * Extract DOM manipulation to utility functions ([8bdc671](https://github.com/marcmarine/energy-label/commit/8bdc6718bf67aef59fc5498354f66e58388c08d1)) * Integrate `svgo` for SVG optimization ([751afc0](https://github.com/marcmarine/energy-label/commit/751afc02f4b3805143bfc5ec0e57d7be2edeb0ee)) * Introduce createClassArrow function to factories ([7a5f579](https://github.com/marcmarine/energy-label/commit/7a5f579edd004ca5eebf3faa340605e12d3b0664)) * Introduce template for smartphones and tablets ([028ce94](https://github.com/marcmarine/energy-label/commit/028ce94decaacc7ba5fa93ed9cc83a04488573a2)) * Make API more intuitive and update documentation ([7f4fce6](https://github.com/marcmarine/energy-label/commit/7f4fce67784a2caf629198b84e4ab0ba04cee18a)) * Match official EPREL QR codes ([fed6590](https://github.com/marcmarine/energy-label/commit/fed659008df907076469dac193de0642563922b2)) * Remove async from toString calls ([cb7bd25](https://github.com/marcmarine/energy-label/commit/cb7bd250cad0a9af9e44839f25dfa8b0927831ce)) * Rename `generateSVGString` to `generateLabel` ([2c2f0fd](https://github.com/marcmarine/energy-label/commit/2c2f0fdd3fbe744407a47453454db86199faf2ac)) * Simplify SVG appending logic ([86c876d](https://github.com/marcmarine/energy-label/commit/86c876d7de1a0c180a70c54d9f0495640235bba5)) * **template:** Optimize SVG output formatting ([25853a6](https://github.com/marcmarine/energy-label/commit/25853a605c31202bc2d11a1909264e3dff15583b)) * Update EnergyLabelOptions interface ([4de9e6d](https://github.com/marcmarine/energy-label/commit/4de9e6d131ef577210d3d7d028956d189bc34c85)) * Use human readable identifiers for templates ([8211ef0](https://github.com/marcmarine/energy-label/commit/8211ef0c788a2d97d3a18f74a8fdcabe20151745)) ### Performance Improvements * Optimize SVG template markup ([e674382](https://github.com/marcmarine/energy-label/commit/e6743828a2bdc73c93ab4e802083526378cd080c))

chore(release): 1.0.0-beta.15 [skip ci]

Committed  · energy-label

# [1.0.0-beta.15](https://github.com/marcmarine/energy-label/compare/v1.0.0-beta.14...v1.0.0-beta.15) (2026-10-26) ### Bug Fixes * Position A–E scale without alignment-baseline ([6dccaa9](https://github.com/marcmarine/energy-label/commit/6dccaa90de056bd6dd0fbafbe539e5a4b93f90b3))

chore(release): 1.0.0-beta.14 [skip ci]

Committed  · energy-label

# [1.0.0-beta.14](https://github.com/marcmarine/energy-label/compare/v1.0.0-beta.13...v1.0.0-beta.14) (2026-10-26) ### Features * Add render functions to bundle single labels ([358268c](https://github.com/marcmarine/energy-label/commit/358268c05dc72229f71b7011cb370dd8632adafa))

Under construction