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Merge pull request #16961 from Snuffleupagus/debugger-rm-closure

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Remove (some) closures from `web/debugger.js`
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Tim van der Meij 2023-09-17 11:45:14 +02:00 committed by GitHub
commit 518590ac7d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 263 additions and 260 deletions
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6
web/debugger.css
View File

@ -13,6 +13,10 @@
* limitations under the License.
*/
:root {
--panel-width: 300px;
}
#PDFBug,
#PDFBug :is(input, button, select) {
font: message-box;
@ -26,7 +30,7 @@
bottom: 0;
font-size: 10px;
padding: 0;
width: 300px;
width: var(--panel-width);
}
#PDFBug .controls {
background: rgba(238, 238, 238, 1);

113
web/debugger.js
View File

@ -225,9 +225,9 @@ const StepperManager = (function StepperManagerClosure() {
})();
// The stepper for each page's operatorList.
const Stepper = (function StepperClosure() {
class Stepper {
// Shorter way to create element and optionally set textContent.
function c(tag, textContent) {
#c(tag, textContent) {
const d = document.createElement(tag);
if (textContent) {
d.textContent = textContent;
@ -235,7 +235,7 @@ const Stepper = (function StepperClosure() {
return d;
}
function simplifyArgs(args) {
#simplifyArgs(args) {
if (typeof args === "string") {
const MAX_STRING_LENGTH = 75;
return args.length <= MAX_STRING_LENGTH
@ -251,7 +251,7 @@ const Stepper = (function StepperClosure() {
simpleArgs = [];
let i, ii;
for (i = 0, ii = Math.min(MAX_ITEMS, args.length); i < ii; i++) {
simpleArgs.push(simplifyArgs(args[i]));
simpleArgs.push(this.#simplifyArgs(args[i]));
}
if (i < args.length) {
simpleArgs.push("...");
@ -260,13 +260,11 @@ const Stepper = (function StepperClosure() {
}
const simpleObj = {};
for (const key in args) {
simpleObj[key] = simplifyArgs(args[key]);
simpleObj[key] = this.#simplifyArgs(args[key]);
}
return simpleObj;
}
// eslint-disable-next-line no-shadow
class Stepper {
constructor(panel, pageIndex, initialBreakPoints) {
this.panel = panel;
this.breakPoint = 0;
@ -280,17 +278,17 @@ const Stepper = (function StepperClosure() {
init(operatorList) {
const panel = this.panel;
const content = c("div", "c=continue, s=step");
const table = c("table");
const content = this.#c("div", "c=continue, s=step");
const table = this.#c("table");
content.append(table);
table.cellSpacing = 0;
const headerRow = c("tr");
const headerRow = this.#c("tr");
table.append(headerRow);
headerRow.append(
c("th", "Break"),
c("th", "Idx"),
c("th", "fn"),
c("th", "args")
this.#c("th", "Break"),
this.#c("th", "Idx"),
this.#c("th", "fn"),
this.#c("th", "args")
);
panel.append(content);
this.table = table;
@ -321,15 +319,15 @@ const Stepper = (function StepperClosure() {
operatorList.fnArray.length
);
for (let i = this.operatorListIdx; i < operatorsToDisplay; i++) {
const line = c("tr");
const line = this.#c("tr");
line.className = "line";
line.dataset.idx = i;
chunk.append(line);
const checked = this.breakPoints.includes(i);
const args = operatorList.argsArray[i] || [];
const breakCell = c("td");
const cbox = c("input");
const breakCell = this.#c("td");
const cbox = this.#c("input");
cbox.type = "checkbox";
cbox.className = "points";
cbox.checked = checked;
@ -337,37 +335,37 @@ const Stepper = (function StepperClosure() {
cbox.onclick = cboxOnClick;
breakCell.append(cbox);
line.append(breakCell, c("td", i.toString()));
line.append(breakCell, this.#c("td", i.toString()));
const fn = opMap[operatorList.fnArray[i]];
let decArgs = args;
if (fn === "showText") {
const glyphs = args[0];
const charCodeRow = c("tr");
const fontCharRow = c("tr");
const unicodeRow = c("tr");
const charCodeRow = this.#c("tr");
const fontCharRow = this.#c("tr");
const unicodeRow = this.#c("tr");
for (const glyph of glyphs) {
if (typeof glyph === "object" && glyph !== null) {
charCodeRow.append(c("td", glyph.originalCharCode));
fontCharRow.append(c("td", glyph.fontChar));
unicodeRow.append(c("td", glyph.unicode));
charCodeRow.append(this.#c("td", glyph.originalCharCode));
fontCharRow.append(this.#c("td", glyph.fontChar));
unicodeRow.append(this.#c("td", glyph.unicode));
} else {
// null or number
const advanceEl = c("td", glyph);
const advanceEl = this.#c("td", glyph);
advanceEl.classList.add("advance");
charCodeRow.append(advanceEl);
fontCharRow.append(c("td"));
unicodeRow.append(c("td"));
fontCharRow.append(this.#c("td"));
unicodeRow.append(this.#c("td"));
}
}
decArgs = c("td");
const table = c("table");
decArgs = this.#c("td");
const table = this.#c("table");
table.classList.add("showText");
decArgs.append(table);
table.append(charCodeRow, fontCharRow, unicodeRow);
} else if (fn === "restore" && this.indentLevel > 0) {
this.indentLevel--;
}
line.append(c("td", " ".repeat(this.indentLevel * 2) + fn));
line.append(this.#c("td", " ".repeat(this.indentLevel * 2) + fn));
if (fn === "save") {
this.indentLevel++;
}
@ -375,11 +373,11 @@ const Stepper = (function StepperClosure() {
if (decArgs instanceof HTMLElement) {
line.append(decArgs);
} else {
line.append(c("td", JSON.stringify(simplifyArgs(decArgs))));
line.append(this.#c("td", JSON.stringify(this.#simplifyArgs(decArgs))));
}
}
if (operatorsToDisplay < operatorList.fnArray.length) {
const lastCell = c("td", "...");
const lastCell = this.#c("td", "...");
lastCell.colspan = 4;
chunk.append(lastCell);
}
@ -435,8 +433,6 @@ const Stepper = (function StepperClosure() {
}
}
}
return Stepper;
})();
const Stats = (function Stats() {
let stats = [];
@ -495,14 +491,14 @@ const Stats = (function Stats() {
})();
// Manages all the debugging tools.
const PDFBug = (function PDFBugClosure() {
const panelWidth = 300;
const buttons = [];
let activePanel = null;
class PDFBug {
static #buttons = [];
return {
tools: [FontInspector, StepperManager, Stats],
enable(ids) {
static #activePanel = null;
static tools = [FontInspector, StepperManager, Stats];
static enable(ids) {
const all = ids.length === 1 && ids[0] === "all";
const tools = this.tools;
for (const tool of tools) {
@ -520,8 +516,9 @@ const PDFBug = (function PDFBugClosure() {
return indexA - indexB;
});
}
},
init(container, ids) {
}
static init(container, ids) {
this.loadCSS();
this.enable(ids);
/*
@ -545,7 +542,7 @@ const PDFBug = (function PDFBugClosure() {
ui.append(panels);
container.append(ui);
container.style.right = panelWidth + "px";
container.style.right = "var(--panel-width)";
// Initialize all the debugging tools.
for (const tool of this.tools) {
@ -567,11 +564,12 @@ const PDFBug = (function PDFBugClosure() {
`${tool.name} is disabled. To enable add "${tool.id}" to ` +
"the pdfBug parameter and refresh (separate multiple by commas).";
}
buttons.push(panelButton);
this.#buttons.push(panelButton);
}
this.selectPanel(0);
},
loadCSS() {
}
static loadCSS() {
const { url } = import.meta;
const link = document.createElement("link");
@ -579,31 +577,32 @@ const PDFBug = (function PDFBugClosure() {
link.href = url.replace(/.js$/, ".css");
document.head.append(link);
},
cleanup() {
}
static cleanup() {
for (const tool of this.tools) {
if (tool.enabled) {
tool.cleanup();
}
}
},
selectPanel(index) {
}
static selectPanel(index) {
if (typeof index !== "number") {
index = this.tools.indexOf(index);
}
if (index === activePanel) {
if (index === this.#activePanel) {
return;
}
activePanel = index;
this.#activePanel = index;
for (const [j, tool] of this.tools.entries()) {
const isActive = j === index;
buttons[j].classList.toggle("active", isActive);
this.#buttons[j].classList.toggle("active", isActive);
tool.active = isActive;
tool.panel.hidden = !isActive;
}
},
};
})();
}
}
globalThis.FontInspector = FontInspector;
globalThis.StepperManager = StepperManager;