feat: JSON format parser - #12

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Parser for the new JSON format proposed in #10.

TODOs:

  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly

@ammkrn

ammkrn commented Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.

@nomeata

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Doesn’t quite work for me yet. I am getting

uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and

uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)

A peek at the file and the code doesn’t tell me what’s wrong, though.

In
init-prelude.ndjson.gz
the problematic line is

{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.

Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)

nomeata
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Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata mentioned this pull request Feb 3, 2026
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Closing in favor of #17.

@nomeatanomeata closed this Feb 3, 2026
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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feat: JSON format parser - #12
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Closed
feat: JSON format parser#12
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
commented
Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
commented
Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: JSON format parser - #12
Closed
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json_parse
Closed
feat: JSON format parser#12
hargoniX wants to merge 3 commits into
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
commented
Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
commented
Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: JSON format parser - #12
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hargoniX wants to merge 3 commits into
masterfrom 
json_parse
Closed
feat: JSON format parser#12
hargoniX wants to merge 3 commits into
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@hargoniXhargoniX
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
commented
Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
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Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

@nomeata
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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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feat: JSON format parser - #12
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feat: JSON format parser#12
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
commented
Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
commented
Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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@hargoniX@ammkrn@nomeata

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
feat: JSON format parser - #12
Closed
hargoniX wants to merge 3 commits into
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json_parse
Closed
feat: JSON format parser#12
hargoniX wants to merge 3 commits into
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
commented
Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
commented
Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: JSON format parser - #12
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hargoniX wants to merge 3 commits into
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Closed
feat: JSON format parser#12
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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
ammkrn
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Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
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Jan 8, 2026•

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
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Jan 8, 2026
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Comment threadExport/Parse.lean
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@nomeatanomeata
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Jan 10, 2026
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@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
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Feb 3, 2026
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@nomeata
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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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feat: JSON format parser - #12
Closed
hargoniX wants to merge 3 commits into
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json_parse
Closed
feat: JSON format parser#12
hargoniX wants to merge 3 commits into
masterfrom 
json_parse
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@hargoniX
@hargoniXhargoniX
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Jan 7, 2026•

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Parser for the new JSON format proposed in #10.
TODOs:
  • Some nice tests (manually tested that it parses the example ndjson file)
  • figure out how to do mdata properly
@ammkrn
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Jan 7, 2026

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The thing about the semver value just being a definition in Main.lean was mentioned in the issue, it seems like the conclusion was that it's not really possible to reference the version parameter in the lakefile from within the program. I don't have much experience with the latest linter/script stuff but if possible, it would probably be wise to have something to ensure that semver value stays up to date.
@nomeata
nomeata
commented
Jan 8, 2026•

edited

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Doesn’t quite work for me yet. I am getting
uncaught exception: offset 27145: Expr.letE 357 invalid

when running on a Init.Prelude export, and
uncaught exception: offset 7483: axiomInfo invalid

when running on all of Init. (Maybe independent issues, and just depend on which one occurs first.)
A peek at the file and the code doesn’t tell me what’s wrong, though.
In
init-prelude.ndjson.gz

the problematic line is
{"i":357,"letE":{"body":356,"declName":73,"nondep":true,"type":308,"value":347}}

ah, it says declName and type rather than binderName and binderType as expected by the parser.
Ah, and the other issue is with opaqueInfo not axiomInfo (wrong message), and the exporter is missing the isUnsafe field. Reported at #10 (review)
nomeata
nomeata
reviewed
Jan 8, 2026
View reviewed changes
Comment threadExport/Parse.lean
Outdated

@nomeatanomeata
mentioned this pull request
Jan 10, 2026
 Draft

@hargoniX@nomeata
Update Export/Parse.lean
4e802ae
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
@nomeatanomeata
mentioned this pull request
Feb 3, 2026
 Merged

@nomeata
nomeata
commented
Feb 3, 2026

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Closing in favor of #17.
@nomeatanomeata
closed this
Feb 3, 2026
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